o:References:From; b=vWvl9qBF3byweyREn5Xp55Kb6hQdKUm0rM7uzwXt5YzWfBOQhNLj0dunC50ECinTb 1wmffO4OvTd4hb3MYYinxmNS0QlG45VsCszMn6PY4H3PjxERaSZGl4o+WEDhJWLEVY Z01b4arE5YyYgmosAGIxhFjfc2CsakGLGlgKUI8E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Laveesh Bansal , Jan Kara , Christian Brauner , Sasha Levin Subject: [PATCH 5.15 198/206] writeback: fix 100% CPU usage when dirtytime_expire_interval is 0 Date: Wed, 4 Feb 2026 15:40:29 +0100 Message-ID: <20260204143905.358106308@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260204143858.193781818@linuxfoundation.org> References: <20260204143858.193781818@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DKIM: signer='linuxfoundation.org' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. 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[172.232.135.74 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: 4 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Laveesh Bansal [ Upstream commit 543467d6fe97e27e22a26e367fda972dbefebbff ] When vm.dirtytime_expire_seconds is set to 0, wakeup_dirtytime_writeback() schedules delayed work with a delay of 0, causing immediate execution. The function then reschedules itself with 0 delay again, creating an infinite busy loop that causes 100% kworker CPU usage. Fix by: - Only scheduling delayed work in wakeup_dirtytime_writeback() when dirtytime_expire_interval is non-zero - Cancelling the delayed work in dirtytime_interval_handler() when the interval is set to 0 - Adding a guard in start_dirtytime_writeback() for defensive coding Tested by booting kernel in QEMU with virtme-ng: - Before fix: kworker CPU spikes to ~73% - After fix: CPU remains at normal levels - Setting interval back to non-zero correctly resumes writeback Fixes: a2f4870697a5 ("fs: make sure the timestamps for lazytime inodes eventually get written") Cc: stable@vger.kernel.org Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220227 Signed-off-by: Laveesh Bansal Link: https://patch.msgid.link/20260106145059.543282-2-laveeshb@laveeshbansal.com Reviewed-by: Jan Kara Signed-off-by: Christian Brauner [ adapted system_percpu_wq to system_wq for the workqueue used in dirtytime_interval_handler() ] Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/fs-writeback.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -2391,12 +2391,14 @@ static void wakeup_dirtytime_writeback(s wb_wakeup(wb); } rcu_read_unlock(); - schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); + if (dirtytime_expire_interval) + schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); } static int __init start_dirtytime_writeback(void) { - schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); + if (dirtytime_expire_interval) + schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ); return 0; } __initcall(start_dirtytime_writeback); @@ -2407,8 +2409,12 @@ int dirtytime_interval_handler(struct ct int ret; ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); - if (ret == 0 && write) - mod_delayed_work(system_wq, &dirtytime_work, 0); + if (ret == 0 && write) { + if (dirtytime_expire_interval) + mod_delayed_work(system_wq, &dirtytime_work, 0); + else + cancel_delayed_work_sync(&dirtytime_work); + } return ret; } From - Wed Feb 04 15:06:54 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id 0JvCIYpgg2mvhxgAYBR5ng (envelope-from ) for ; 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Peter Anvin" , Jann Horn , Andrew Morton Subject: [PATCH 5.15 088/206] x86/kfence: avoid writing L1TF-vulnerable PTEs Date: Wed, 4 Feb 2026 15:38:39 +0100 Message-ID: <20260204143901.379813111@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260204143858.193781818@linuxfoundation.org> References: <20260204143858.193781818@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DKIM: signer='linuxfoundation.org' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. 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If anyone has any objections, please let me know. ------------------ From: Andrew Cooper commit b505f1944535f83d369ae68813e7634d11b990d3 upstream. For native, the choice of PTE is fine. There's real memory backing the non-present PTE. However, for XenPV, Xen complains: (XEN) d1 L1TF-vulnerable L1e 8010000018200066 - Shadowing To explain, some background on XenPV pagetables: Xen PV guests are control their own pagetables; they choose the new PTE value, and use hypercalls to make changes so Xen can audit for safety. In addition to a regular reference count, Xen also maintains a type reference count. e.g. SegDesc (referenced by vGDT/vLDT), Writable (referenced with _PAGE_RW) or L{1..4} (referenced by vCR3 or a lower pagetable level). This is in order to prevent e.g. a page being inserted into the pagetables for which the guest has a writable mapping. For non-present mappings, all other bits become software accessible, and typically contain metadata rather a real frame address. There is nothing that a reference count could sensibly be tied to. As such, even if Xen could recognise the address as currently safe, nothing would prevent that frame from changing owner to another VM in the future. When Xen detects a PV guest writing a L1TF-PTE, it responds by activating shadow paging. This is normally only used for the live phase of migration, and comes with a reasonable overhead. KFENCE only cares about getting #PF to catch wild accesses; it doesn't care about the value for non-present mappings. Use a fully inverted PTE, to avoid hitting the slow path when running under Xen. While adjusting the logic, take the opportunity to skip all actions if the PTE is already in the right state, half the number PVOps callouts, and skip TLB maintenance on a !P -> P transition which benefits non-Xen cases too. Link: https://lkml.kernel.org/r/20260106180426.710013-1-andrew.cooper3@citrix.com Fixes: 1dc0da6e9ec0 ("x86, kfence: enable KFENCE for x86") Signed-off-by: Andrew Cooper Tested-by: Marco Elver Cc: Alexander Potapenko Cc: Marco Elver Cc: Dmitry Vyukov Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" Cc: Jann Horn Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/kfence.h | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) --- a/arch/x86/include/asm/kfence.h +++ b/arch/x86/include/asm/kfence.h @@ -42,10 +42,34 @@ static inline bool kfence_protect_page(u { unsigned int level; pte_t *pte = lookup_address(addr, &level); + pteval_t val; if (WARN_ON(!pte || level != PG_LEVEL_4K)) return false; + val = pte_val(*pte); + + /* + * protect requires making the page not-present. If the PTE is + * already in the right state, there's nothing to do. + */ + if (protect != !!(val & _PAGE_PRESENT)) + return true; + + /* + * Otherwise, invert the entire PTE. This avoids writing out an + * L1TF-vulnerable PTE (not present, without the high address bits + * set). + */ + set_pte(pte, __pte(~val)); + + /* + * If the page was protected (non-present) and we're making it + * present, there is no need to flush the TLB at all. + */ + if (!protect) + return true; + /* * We need to avoid IPIs, as we may get KFENCE allocations or faults * with interrupts disabled. Therefore, the below is best-effort, and @@ -53,11 +77,6 @@ static inline bool kfence_protect_page(u * lazy fault handling takes care of faults after the page is PRESENT. */ - if (protect) - set_pte(pte, __pte(pte_val(*pte) & ~_PAGE_PRESENT)); - else - set_pte(pte, __pte(pte_val(*pte) | _PAGE_PRESENT)); - /* * Flush this CPU's TLB, assuming whoever did the allocation/free is * likely to continue running on this CPU. 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Wed, 4 Feb 2026 15:02:59 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, nsg@linux.ibm.com, nrb@linux.ibm.com, seiden@linux.ibm.com, gra@linux.ibm.com, schlameuss@linux.ibm.com, hca@linux.ibm.com, svens@linux.ibm.com, agordeev@linux.ibm.com, gor@linux.ibm.com, david@kernel.org, gerald.schaefer@linux.ibm.com Subject: [PATCH v7 00/29] KVM: s390: gmap rewrite, the real deal Date: Wed, 4 Feb 2026 16:02:29 +0100 Message-ID: <20260204150259.60425-1-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDExMyBTYWx0ZWRfXxm+RJkB9E6rq wmjQEJkDJy8EqmznOASPWMATkZB75/loCCD4cQ8SQ8LKiRSgV+9EQHTJjnc4zPeJE/MNbzDr9cq blWTekoc6yX2KpOsXvd4oR7qKtntB+2h1gPl8qUUD5P7QoKEXv3YaLisvAuhxqhJr4zPV6o89IF z9kaAkjD0ROlP/WryOnaCyFGl28CM1LXknShy3hR1uGMoRa579LZ10cPFE8LYTUNV4wWr1ZdFni K5JmPU+T1H3BCmFfXOzGG4o8iBxPkkqiDuwDoZCnroOU4LP6rIx+9xDwO+eWXnoEXadvVdtNwit jO4kmzTF2PGLJ1MjH56KVSXrnBL6rL6Ik1HXV+G2Cpgita4yFI2NT6hgsrJ6+tcG35hLWfXH5DM Nv6KZdyhvliGHUpE9e3cnfpX3OTs4Zon7cRncbr5AD8HUR+mAOt8hKg8SWlEvGoXleuOtQ/Ch58 VHYo4eL1IFRSk0bXflQ== X-Proofpoint-GUID: yWpY_TRJrJmmdP9qtvxh6f1Ub1JZiEC0 X-Proofpoint-ORIG-GUID: yWpY_TRJrJmmdP9qtvxh6f1Ub1JZiEC0 X-Authority-Analysis: v=2.4 cv=LesxKzfi c=1 sm=1 tr=0 ts=69835fa8 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=s0Iii0BFI7l5Z9uEpy8A:9 a=VKjadluECVzL0IhF:21 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-04_04,2026-02-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 suspectscore=0 priorityscore=1501 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2601150000 definitions=main-2602040113 X-DKIM: signer='ibm.com' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.5 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. Information: https://mxroutedocs.com/directadmin/spamfilters/ --- Content analysis details: (0.5 points) --- pts rule name description ---- ---------------------- ----------------------------------------- 0.0 RCVD_IN_DNSWL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to DNSWL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#DnsBlocklists-dnsbl-block for more information. [172.105.105.114 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager SpamTally: Final spam score: 5 This series is the last big series of the gmap rewrite. It introduces the new code and actually uses it. The old code is then removed. KVM on s390 will now use the mmu_notifier, like most other architectures. The gmap address space is now completely separate from userspace; no level of the page tables is shared between guest mapping and userspace. One of the biggest advantages is that the page size of userspace is completely independent of the page size used by the guest. Userspace can mix normal pages, THPs, hugetlbfs, and more. It's now possible to have nested guests and guests with huge pages running on the same host. In fact, it's possible to have a nested guest on a guest with huge pages. Transparent hugepages are also possible. Patches 1 to 11 are mostly preparations; introducing some new bits and functions, and moving code around. Patches 12 to 21 are the meat of the new gmap code; page table management functions and gmap management. This is the code that will be used to manage guest memory. Patch 24 is unfortunately big; the existing code is converted to use the new gmap and all references to the old gmap are removed. This needs to be done all at once, unfortunately, hence the size of the patch. Patch 25 and 26 remove all the now unused code. Patch 27 and 28 allow for 1M pages to be used to back guests, and add some more functions that are useful for testing. Patch 29 contains selftests for the storage key interface introduced in the patch 28 v6->v7: * Added selftests for the newly introduced KEYOP ioctl * Fix the bugs found by the newly introduced selftests * Fix a bug in the memslot removal code * Fix a few bugs in vSIE shadowing/deshawoding code * Fix deadlock between shadowing code and normal fault handling * Added proper locking for memslot manipulation operations * Added capability for the KEYOP ioctl, and API documentation * Minor documentation fixes * Fixed many style issues in comments * Fixed regression with ucontrol VMs v5->v6: * Added a mutex to avoid races during import-like operations in protected guests * The functions uv_convert_from_secure_folio() and uv_destroy_folio() now work on the whole folio, and not just its first page * Added warnings if uv_convert_from_secure_pte() fails in ptep_*() * Changed the way shadow gmaps do reference counting * Use a bitmap for gmap flags, instead of individual bool variables * Rework the make_secure logic to work on gmap only, and not on userspace addresses * Some refactorings * Rebased onto 6.19-rc2 * Added more comments * Minor style fixes v4->v5: * fix some locking issues * fix comments and documentation v3->v4: * dat_link() can now return -ENOMEM when appropriate * fixed a few vSIE races that led to use-after-free or deadlocks * split part of the previous patch 23 and move it after patch 17, merge the rest of the patch into patch 19 * fix -ENOMEM handling in handle_pfmf() and handle_sske() v2->v3: * Add lots of small comments and cosmetic fixes * Rename some functions to improve clarity * Remove unused helper functions and macros * Rename inline asm constraints labels to make them more understandable * Refactor the code to pre-allocate the page tables (using custom caches) when sleeping is allowed, use the cached pages when holding spinlocks and handle gracefully allocation failures (i.e. retry instead of killing the guest) * Refactor the code for fault handling; it's now in a separate file, and it takes a callback that can be optionally called when all the relevant locks are still held * Use assembler mnemonics instead of manually specifying the opcode where appropriate * Remove the LEVEL_* enum, and use TABLE_TYPE_* macros instead; introduce new TABLE_TYPE_PAGE_TABLE * Remove usage of cpu_has_idte() since it is being removed from the kernel * Improve storage key handling and PGSTE locking * Introduce struct guest_fault to represent the state of a guest fault that is being resolved * Minor CMMA fixes Claudio Imbrenda (29): KVM: s390: Refactor pgste lock and unlock functions KVM: s390: Add P bit in table entry bitfields, move union vaddress s390: Make UV folio operations work on whole folio s390: Move sske_frame() to a header KVM: s390: Add gmap_helper_set_unused() KVM: s390: Introduce import_lock KVM: s390: Export two functions s390/mm: Warn if uv_convert_from_secure_pte() fails KVM: s390: vsie: Pass gmap explicitly as parameter KVM: s390: Enable KVM_GENERIC_MMU_NOTIFIER KVM: s390: Rename some functions in gaccess.c KVM: s390: KVM-specific bitfields and helper functions KVM: s390: KVM page table management functions: allocation KVM: s390: KVM page table management functions: clear and replace KVM: s390: KVM page table management functions: walks KVM: s390: KVM page table management functions: storage keys KVM: s390: KVM page table management functions: lifecycle management KVM: s390: KVM page table management functions: CMMA KVM: s390: New gmap code KVM: s390: Add helper functions for fault handling KVM: s390: Add some helper functions needed for vSIE KVM: s390: Stop using CONFIG_PGSTE KVM: s390: Storage key functions refactoring KVM: s390: Switch to new gmap KVM: s390: Remove gmap from s390/mm KVM: S390: Remove PGSTE code from linux/s390 mm KVM: s390: Enable 1M pages for gmap KVM: s390: Storage key manipulation IOCTL KVM: s390: selftests: Add selftest for the KVM_S390_KEYOP ioctl Documentation/virt/kvm/api.rst | 42 + MAINTAINERS | 2 - arch/s390/Kconfig | 3 - arch/s390/include/asm/dat-bits.h | 32 +- arch/s390/include/asm/gmap.h | 174 -- arch/s390/include/asm/gmap_helpers.h | 1 + arch/s390/include/asm/hugetlb.h | 6 - arch/s390/include/asm/kvm_host.h | 7 + arch/s390/include/asm/mmu.h | 13 - arch/s390/include/asm/mmu_context.h | 6 +- arch/s390/include/asm/page.h | 4 - arch/s390/include/asm/pgalloc.h | 4 - arch/s390/include/asm/pgtable.h | 171 +- arch/s390/include/asm/tlb.h | 3 - arch/s390/include/asm/uaccess.h | 70 +- arch/s390/include/asm/uv.h | 3 +- arch/s390/kernel/uv.c | 142 +- arch/s390/kvm/Kconfig | 2 + arch/s390/kvm/Makefile | 3 +- arch/s390/kvm/dat.c | 1391 ++++++++++++ arch/s390/kvm/dat.h | 970 +++++++++ arch/s390/kvm/diag.c | 2 +- arch/s390/kvm/faultin.c | 148 ++ arch/s390/kvm/faultin.h | 92 + arch/s390/kvm/gaccess.c | 958 +++++---- arch/s390/kvm/gaccess.h | 20 +- arch/s390/kvm/gmap-vsie.c | 141 -- arch/s390/kvm/gmap.c | 1235 +++++++++++ arch/s390/kvm/gmap.h | 244 +++ arch/s390/kvm/intercept.c | 15 +- arch/s390/kvm/interrupt.c | 6 +- arch/s390/kvm/kvm-s390.c | 954 ++++----- arch/s390/kvm/kvm-s390.h | 27 +- arch/s390/kvm/priv.c | 213 +- arch/s390/kvm/pv.c | 177 +- arch/s390/kvm/vsie.c | 192 +- arch/s390/lib/uaccess.c | 184 +- arch/s390/mm/Makefile | 1 - arch/s390/mm/fault.c | 4 +- arch/s390/mm/gmap.c | 2436 ---------------------- arch/s390/mm/gmap_helpers.c | 96 +- arch/s390/mm/hugetlbpage.c | 24 - arch/s390/mm/page-states.c | 1 + arch/s390/mm/pageattr.c | 7 - arch/s390/mm/pgalloc.c | 24 - arch/s390/mm/pgtable.c | 814 +------- include/uapi/linux/kvm.h | 11 + mm/khugepaged.c | 9 - tools/testing/selftests/kvm/Makefile.kvm | 1 + tools/testing/selftests/kvm/s390/keyop.c | 299 +++ 50 files changed, 5889 insertions(+), 5495 deletions(-) delete mode 100644 arch/s390/include/asm/gmap.h create mode 100644 arch/s390/kvm/dat.c create mode 100644 arch/s390/kvm/dat.h create mode 100644 arch/s390/kvm/faultin.c create mode 100644 arch/s390/kvm/faultin.h delete mode 100644 arch/s390/kvm/gmap-vsie.c create mode 100644 arch/s390/kvm/gmap.c create mode 100644 arch/s390/kvm/gmap.h delete mode 100644 arch/s390/mm/gmap.c create mode 100644 tools/testing/selftests/kvm/s390/keyop.c -- 2.52.0 From - Wed Feb 04 15:06:58 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id 0CCjNIxgg2lM9xYAYBR5ng (envelope-from ) for ; 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Wed, 4 Feb 2026 15:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770217366; bh=TQDzW3Y54enWWjXkXoNY2Su6avL4RffjMRvHkolHzsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rrj0/H0Z+jlZsDwvZBRX35Q7aokY4fYig5De3dbMuhdUxf5+Vlql3q+TXqzya2JBn +cZznxtv92TBvQHRsVYeRgwjRX3fzK6rzllN0OlUC/8Qt1X98IgdAG//0KzhzSXpXI SrGI6iH8eGxK4Nw53DuFtx8HtGUaL5X3JCNMMDeU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Daniel Wagner , Nilay Shroff , Keith Busch , Sasha Levin Subject: [PATCH 5.15 169/206] nvme: fix PCIe subsystem reset controller state transition Date: Wed, 4 Feb 2026 15:40:00 +0100 Message-ID: <20260204143904.295355891@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260204143858.193781818@linuxfoundation.org> References: <20260204143858.193781818@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; 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[172.232.135.74 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: 4 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nilay Shroff [ Upstream commit 0edb475ac0a7d153318a24d4dca175a270a5cc4f ] The commit d2fe192348f9 (“nvme: only allow entering LIVE from CONNECTING state”) disallows controller state transitions directly from RESETTING to LIVE. However, the NVMe PCIe subsystem reset path relies on this transition to recover the controller on PowerPC (PPC) systems. On PPC systems, issuing a subsystem reset causes a temporary loss of communication with the NVMe adapter. A subsequent PCIe MMIO read then triggers EEH recovery, which restores the PCIe link and brings the controller back online. For EEH recovery to proceed correctly, the controller must transition back to the LIVE state. Due to the changes introduced by commit d2fe192348f9 (“nvme: only allow entering LIVE from CONNECTING state”), the controller can no longer transition directly from RESETTING to LIVE. As a result, EEH recovery exits prematurely, leaving the controller stuck in the RESETTING state. Fix this by explicitly transitioning the controller state from RESETTING to CONNECTING and then to LIVE. This satisfies the updated state transition rules and allows the controller to be successfully recovered on PPC systems following a PCIe subsystem reset. Cc: stable@vger.kernel.org Fixes: d2fe192348f9 ("nvme: only allow entering LIVE from CONNECTING state") Reviewed-by: Daniel Wagner Signed-off-by: Nilay Shroff Signed-off-by: Keith Busch Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/nvme/host/pci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1144,7 +1144,10 @@ static int nvme_pci_subsystem_reset(stru } writel(NVME_SUBSYS_RESET, dev->bar + NVME_REG_NSSR); - nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE); + + if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING) || + !nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) + goto unlock; /* * Read controller status to flush the previous write and trigger a From - Wed Feb 04 15:06:58 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id 8H/CHY1gg2kFHxYAYBR5ng (envelope-from ) for ; Wed, 04 Feb 2026 15:06:53 +0000 Return-path: Envelope-to: hi@josie.lol Delivery-date: Wed, 04 Feb 2026 15:06:53 +0000 Received: from sea.lore.kernel.org ([172.234.253.10]) by witcher.mxrouting.net with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1vneSz-00000006nrb-0o6Z for hi@josie.lol; Wed, 04 Feb 2026 15:06:53 +0000 Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sea.lore.kernel.org (Postfix) with ESMTP id 8A5A93171929 for ; Wed, 4 Feb 2026 14:57:21 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B8F3F421887; Wed, 4 Feb 2026 14:55:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="OJ+KJGnU" X-Original-To: stable@vger.kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95F2A41C31D; Wed, 4 Feb 2026 14:55:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770216930; cv=none; b=eOGW//gnb0KwcOU7V46CWsxyKiGH0YSLdc2cMRwD5TShiJejUyyv8TIQRMjxlaws1U8hSP0dOe+xiv0YEs1+5/9Aq6LpOHo2Ofymj2Yv7pH2Pjizh5txHP/z4ivjFpMu1/VagnCGAuhpFFXMdX7tnKkTUOXN1awZyLcsh1KgykQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770216930; c=relaxed/simple; bh=I5OxmXwPHi8LsFHtZYElUa6NcPY+ai0yDYKQvEaSW9c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K61EtlIUwGXgjdI42CWFJwDtyJW5Zbf81gZ3KhG9jLN79QJz9hcZ99TfiddJ0xHgjWsa7X8R1rYV7HKOkhZhEtgehIioNVLY4zt34g0RkNZ0ITuj6Crr0lQw2LdCOQqc74BAFxHjBA2B5xVZjs6wI/WFG//DvBnB0ml/tfKRoSY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OJ+KJGnU; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E460DC4CEF7; Wed, 4 Feb 2026 14:55:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770216930; bh=I5OxmXwPHi8LsFHtZYElUa6NcPY+ai0yDYKQvEaSW9c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OJ+KJGnUzauSYdGTkhX+rmUZdTubzE2QY5ygBHJWoE09/lc5XyEbjLgjwCBMWgMfH 1C/toeLrXc3Q7LmNeNoyMdXltBCkMCkKxWXpUOEU0uEQNB4NPFhBbDZkYy03JqBpF9 BHARAosLS7J1g8vNfWFC00sZbAPa4+JFunuWI5Lo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Richard Cochran , Vadim Fedorenko , Thomas Gleixner , Wojtek Wasko , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 057/206] posix-clock: Store file pointer in struct posix_clock_context Date: Wed, 4 Feb 2026 15:38:08 +0100 Message-ID: <20260204143900.271098319@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260204143858.193781818@linuxfoundation.org> References: <20260204143858.193781818@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DKIM: signer='linuxfoundation.org' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. 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[172.234.253.10 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: 4 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wojtek Wasko [ Upstream commit e859d375d1694488015e6804bfeea527a0b25b9f ] File descriptor based pc_clock_*() operations of dynamic posix clocks have access to the file pointer and implement permission checks in the generic code before invoking the relevant dynamic clock callback. Character device operations (open, read, poll, ioctl) do not implement a generic permission control and the dynamic clock callbacks have no access to the file pointer to implement them. Extend struct posix_clock_context with a struct file pointer and initialize it in posix_clock_open(), so that all dynamic clock callbacks can access it. Acked-by: Richard Cochran Reviewed-by: Vadim Fedorenko Reviewed-by: Thomas Gleixner Signed-off-by: Wojtek Wasko Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- include/linux/posix-clock.h | 6 +++++- kernel/time/posix-clock.c | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h index ef8619f489203..a500d3160fe8c 100644 --- a/include/linux/posix-clock.h +++ b/include/linux/posix-clock.h @@ -95,10 +95,13 @@ struct posix_clock { * struct posix_clock_context - represents clock file operations context * * @clk: Pointer to the clock + * @fp: Pointer to the file used to open the clock * @private_clkdata: Pointer to user data * * Drivers should use struct posix_clock_context during specific character - * device file operation methods to access the posix clock. + * device file operation methods to access the posix clock. In particular, + * the file pointer can be used to verify correct access mode for ioctl() + * calls. * * Drivers can store a private data structure during the open operation * if they have specific information that is required in other file @@ -106,6 +109,7 @@ struct posix_clock { */ struct posix_clock_context { struct posix_clock *clk; + struct file *fp; void *private_clkdata; }; diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index a6487a9d60853..b130bb56cc4e0 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -129,6 +129,7 @@ static int posix_clock_open(struct inode *inode, struct file *fp) goto out; } pccontext->clk = clk; + pccontext->fp = fp; if (clk->ops.open) { err = clk->ops.open(pccontext, fp->f_mode); if (err) { -- 2.51.0 From - Wed Feb 04 15:07:22 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id kL0UFpBgg2ngOBcAYBR5ng (envelope-from ) for ; 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Wed, 4 Feb 2026 15:02:59 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, nsg@linux.ibm.com, nrb@linux.ibm.com, seiden@linux.ibm.com, gra@linux.ibm.com, schlameuss@linux.ibm.com, hca@linux.ibm.com, svens@linux.ibm.com, agordeev@linux.ibm.com, gor@linux.ibm.com, david@kernel.org, gerald.schaefer@linux.ibm.com Subject: [PATCH v7 01/29] KVM: s390: Refactor pgste lock and unlock functions Date: Wed, 4 Feb 2026 16:02:30 +0100 Message-ID: <20260204150259.60425-2-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260204150259.60425-1-imbrenda@linux.ibm.com> References: <20260204150259.60425-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: RT40z16FDrzUcVCWGl5IxA5XsRdWpMic X-Authority-Analysis: v=2.4 cv=VcX6/Vp9 c=1 sm=1 tr=0 ts=69835fa8 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=gw90SDbXj9Ny8T8iXsQA:9 X-Proofpoint-GUID: RT40z16FDrzUcVCWGl5IxA5XsRdWpMic X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDExMyBTYWx0ZWRfX7lqqrQJk1mm6 XubXh4TeTObWSjmCllyvql0HDYcUOnkZA7DTVbDjOiDdX7+3L6LSRzcpB/Tq5dOO4V/Vlpip8s0 prudWcPAdCdzkb1qvgxul/V0QQYthBH2TAIrBo9c76GrrED39mpWREh5PS5gNegLh8CibFMBUqX 56q+nqN1U23NB58kYtq+aRbigsA3ormKpXuj+bhjWVBkoIoHOofcwN2W7zuk9dcE4Z/Nzsn97NM es7x+kaVWIghM3QRZsHtuuxw1TyhDzuyWp5fnsav8cPmbHryxm/G+Q9JJGtI/nqCLbQfz6+PNaU pVbO0w96nuQVIMQ1bD/qBzW+yPSigpSQV/dJvEu77kE1ZgKtZTBWkj0hkU0YZGNDTZLCmha+oTi zK+a2kz50gCorbnrIYUQ9lt4GaHVw9+Jjv/fLNggrWM7NB6+VoZi51YA4zFwFPZ/kuBVJqCoeUr ofUbRfdC53w1I+xMadw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-04_04,2026-02-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2601150000 definitions=main-2602040113 X-DKIM: signer='ibm.com' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.5 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. Information: https://mxroutedocs.com/directadmin/spamfilters/ --- Content analysis details: (0.5 points) --- pts rule name description ---- ---------------------- ----------------------------------------- 0.0 RCVD_IN_DNSWL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to DNSWL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#DnsBlocklists-dnsbl-block for more information. [172.105.105.114 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager SpamTally: Final spam score: 5 Move the pgste lock and unlock functions back into mm/pgtable.c and duplicate them in mm/gmap_helpers.c to avoid function name collisions later on. Signed-off-by: Claudio Imbrenda --- arch/s390/include/asm/pgtable.h | 22 ---------------------- arch/s390/mm/gmap_helpers.c | 23 ++++++++++++++++++++++- arch/s390/mm/pgtable.c | 23 ++++++++++++++++++++++- 3 files changed, 44 insertions(+), 24 deletions(-) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index bca9b29778c3..8194a2b12ecf 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -2040,26 +2040,4 @@ static inline unsigned long gmap_pgste_get_pgt_addr(unsigned long *pgt) return res; } -static inline pgste_t pgste_get_lock(pte_t *ptep) -{ - unsigned long value = 0; -#ifdef CONFIG_PGSTE - unsigned long *ptr = (unsigned long *)(ptep + PTRS_PER_PTE); - - do { - value = __atomic64_or_barrier(PGSTE_PCL_BIT, ptr); - } while (value & PGSTE_PCL_BIT); - value |= PGSTE_PCL_BIT; -#endif - return __pgste(value); -} - -static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste) -{ -#ifdef CONFIG_PGSTE - barrier(); - WRITE_ONCE(*(unsigned long *)(ptep + PTRS_PER_PTE), pgste_val(pgste) & ~PGSTE_PCL_BIT); -#endif -} - #endif /* _S390_PAGE_H */ diff --git a/arch/s390/mm/gmap_helpers.c b/arch/s390/mm/gmap_helpers.c index d41b19925a5a..4fba13675950 100644 --- a/arch/s390/mm/gmap_helpers.c +++ b/arch/s390/mm/gmap_helpers.c @@ -15,7 +15,6 @@ #include #include #include -#include /** * ptep_zap_softleaf_entry() - discard a software leaf entry. @@ -35,6 +34,28 @@ static void ptep_zap_softleaf_entry(struct mm_struct *mm, softleaf_t entry) free_swap_and_cache(entry); } +static inline pgste_t pgste_get_lock(pte_t *ptep) +{ + unsigned long value = 0; +#ifdef CONFIG_PGSTE + unsigned long *ptr = (unsigned long *)(ptep + PTRS_PER_PTE); + + do { + value = __atomic64_or_barrier(PGSTE_PCL_BIT, ptr); + } while (value & PGSTE_PCL_BIT); + value |= PGSTE_PCL_BIT; +#endif + return __pgste(value); +} + +static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste) +{ +#ifdef CONFIG_PGSTE + barrier(); + WRITE_ONCE(*(unsigned long *)(ptep + PTRS_PER_PTE), pgste_val(pgste) & ~PGSTE_PCL_BIT); +#endif +} + /** * gmap_helper_zap_one_page() - discard a page if it was swapped. * @mm: the mm diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 666adcd681ab..08743c1dac2f 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -24,7 +24,6 @@ #include #include #include -#include #include pgprot_t pgprot_writecombine(pgprot_t prot) @@ -116,6 +115,28 @@ static inline pte_t ptep_flush_lazy(struct mm_struct *mm, return old; } +static inline pgste_t pgste_get_lock(pte_t *ptep) +{ + unsigned long value = 0; +#ifdef CONFIG_PGSTE + unsigned long *ptr = (unsigned long *)(ptep + PTRS_PER_PTE); + + do { + value = __atomic64_or_barrier(PGSTE_PCL_BIT, ptr); + } while (value & PGSTE_PCL_BIT); + value |= PGSTE_PCL_BIT; +#endif + return __pgste(value); +} + +static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste) +{ +#ifdef CONFIG_PGSTE + barrier(); + WRITE_ONCE(*(unsigned long *)(ptep + PTRS_PER_PTE), pgste_val(pgste) & ~PGSTE_PCL_BIT); +#endif +} + static inline pgste_t pgste_get(pte_t *ptep) { unsigned long pgste = 0; -- 2.52.0 From - Wed Feb 04 15:07:22 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id 4Pe9D6Zgg2ngOBcAYBR5ng (envelope-from ) for ; Wed, 04 Feb 2026 15:07:18 +0000 Return-path: Envelope-to: hi@josie.lol Delivery-date: Wed, 04 Feb 2026 15:07:18 +0000 Received: from sea.lore.kernel.org ([172.234.253.10]) by witcher.mxrouting.net with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1vneTN-00000006oqs-3g8c for hi@josie.lol; 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d=linuxfoundation.org; s=korg; t=1770216950; bh=7mliYGCPsuqcxLEe5Eu6QUqcxs4/RPJor7zwYhllef4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AQURrCzZY0FxeobrDaEjIyMJO+OXUZrLEg5FPPRTmeQxXZuaMxixFKg2JfC1gD+PG SJkXGxWmCj+o6xEEvy5CKuNR9M8dhayllXtGsVxr+smG96daQUPAbno9/6IlD5bhZA T0PGKC8kZJLNOhvWpJmp1bJ04q78cDGRrALZDxXk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jamal Hadi Salim , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 080/206] net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag Date: Wed, 4 Feb 2026 15:38:31 +0100 Message-ID: <20260204143901.092732359@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260204143858.193781818@linuxfoundation.org> References: <20260204143858.193781818@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DKIM: signer='linuxfoundation.org' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. 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[172.234.253.10 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: 4 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jamal Hadi Salim [ Upstream commit d837fbee92453fbb829f950c8e7cf76207d73f33 ] This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq. use cl_is_active instead of relying on the child qdisc's qlen to determine class activation. Fixes: 462dbc9101acd ("pkt_sched: QFQ Plus: fair-queueing service at DRR cost") Signed-off-by: Jamal Hadi Salim Link: https://patch.msgid.link/20260114160243.913069-3-jhs@mojatatu.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/sched/sch_qfq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index d201bcb5edc42..8e5b30c447b86 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -375,7 +375,7 @@ static void qfq_rm_from_agg(struct qfq_sched *q, struct qfq_class *cl) /* Deschedule class and remove it from its parent aggregate. */ static void qfq_deact_rm_from_agg(struct qfq_sched *q, struct qfq_class *cl) { - if (cl->qdisc->q.qlen > 0) /* class is active */ + if (cl_is_active(cl)) /* class is active */ qfq_deactivate_class(q, cl); qfq_rm_from_agg(q, cl); -- 2.51.0 From - Wed Feb 04 15:07:28 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from 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h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:Rebcbcfe914d","snapshot":{"messageId":"aa8bdb03-68cc-4eac-b9e5-7dbcbcfe914d","trackedFileBackups":{"/home/josie/development/irc-now/docs/plans/2026-03-06-phase5-metrics-design.md":{"backupFileName":"76d247043aa353d3@v2","version":2,"backupTime":"2026-03-06T19:56:03.410Z"},"/home/josie/development/irc-now/docs/plans/2026-03-06-phase5-metrics-plan.md":{"backupFileName":"3e612b8ab09a9dbd@v2","version":2,"backupTime":"2026-03-06T19:56:03.416Z"},"/home/josie/development/irc-now/todo.txt":{"backupFileName":"7fa4720f68852629@v4","version":4,"backupTime":"2026-03-06T21:38:03.483Z"},"/home/josie/development/irc-now/deploy/monitoring/grafana-dashboard.yaml":{"backupFileName":"dd71dcbd7c07a68b@v2","version":2,"backupTime":"2026-03-06T20:48:04.197Z"},"/home/josie/development/irc-now/docs/plans/2026-03-03-irc-now-roadmap.md":{"backupFileName":"ccb4094341a3de87@v2","version":2,"backupTime":"2026-03-06T20:48:04.203Z"},"/home/josie/.claude/projects/-home-josie-development-irc-now/memory/MEMORY.md":{"backupFileName":"d807a5c3a5ed3d67@v2","version":2,"backupTime":"2026-03-06T21:23:45.535Z"}},"timestamp":"2026-03-06T21:45:41.035Z"},"isSnapshotUpdate":false} 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55→"}]},"uuid":"36a20847-0022-40b4-b3e8-eac26767dee8","timestamp":"2026-03-06T21:45:44.550Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/irc-now/todo.txt","content":"--- immediate (blocks revenue or production safety) ---\nreplace placeholder stripe-keys with real keys\ntrust + safety: content moderation for txt/pics (abuse reports, admin review)\nalertmanager rules: service down, cert expiry, DB connection loss, reconciliation failures\nadd tests for enforcing plan limits per user level\n\n--- next up ---\nstatus.irc.now: deploy Upptime on GitHub Pages, monitors all endpoints\nargocd: finish app-of-apps rollout\nnetwork management tab in account portal (Phase 4 portal integration)\ncustom domains: CNAME endpoint for user subdomains (not default router FQDN)\n\n--- backlog (features) ---\nlog search add-on ($2/mo, full-text search across scrollback)\nbots use irc.bot cloak / own bouncer\nkeep me logged into chat (session persistence)\nfix text contrast dark grey on black\nusername + pw for irccloud migration: maybe use api key instead? also migration fails\nasync create bouncer\nbackup upsell\nopensource operators + pastebin + pics\n\ndashboard reorder stats, link to chat.irc.now from my.irc.now, uptime empty\n\ngrafana rice\nhome screen, theming, remove distractions\n\n--- backlog (metrics ideas) ---\nper-network message volume (which networks are most active across all bouncers)\npeak concurrent downstream connections (soju connection count gauge)\nonboarding funnel: signup -> bouncer create -> first message -> first week active\ntime-to-first-bouncer (latency from signup event to bouncer_create event)\nfeature adoption: % pro users with content_expires=false, % users who migrated from irccloud\nerror rates by service (HTTP 4xx/5xx split in Grafana)\nstorage growth rate prediction (linear extrapolation from timeseries)\nbot execution metrics: script runs, errors, avg execution time (Phase 6)\nretention by acquisition channel once attribution tracking exists\n\n--- backlog (infrastructure) ---\nfaster builds\nmTLS / secure connections service to service\nemail sending infra for transactional emails\n2fa SSO\nsecurity audit\n\n--- business/marketing (non-code) ---\nimprint magickly llp uk\nblog\nsupport email\nsticker ideas\nmerch shop (print-on-demand, stickers + apparel)\nlegal stuff\nsearch console\npromo ugc, reddit, tiktok etc\n","numLines":55,"startLine":1,"totalLines":55}},"sourceToolAssistantUUID":"e611d363-00f7-4f41-8725-4107366f4752"} 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{"parentUuid":"03f78f19-0765-45f4-9465-2358e99f6865","isSidechain":false,"userType":"external","cwd":"/home/josie/development/irc-now/notes","sessionId":"06ff88d8-a173-446a-b126-c94d078d64d8","version":"2.1.63","gitBranch":"master","slug":"swift-stirring-river","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RuoupfdqD1jCLddjx8TjFb","type":"tool_result","content":" 1→# irc.now Platform Roadmap\n 2→\n 3→High-level vision and phase overview. Detailed implementation plans are written\n 4→per-phase as work begins.\n 5→\n 6→## Vision\n 7→\n 8→irc.now is a hosted IRC services platform. Sign up, get a bouncer. Upgrade to\n 9→pro, get a dedicated bouncer with a custom hostname. Host your own IRC network.\n 10→Run bots with Lua scripts. Share images and pastes. Everything connected\n 11→through one account with SSO.\n 12→\n 13→## Phases\n 14→\n 15→### Phase 1: Foundation\n 16→\n 17→Get the core platform running: users can sign up, create a bouncer, and pay.\n 18→\n 19→| Item | Description | Status |\n 20→|------|-------------|--------|\n 21→| Rust workspace | Monorepo with shared `common` crate | done |\n 22→| GitOps manifests | CNPG clusters, namespace, RBAC, secrets | done |\n 23→| Keycloak | Dedicated instance at `auth.irc.now`, `irc-now` realm, OIDC clients | done |\n 24→| soju-operator | Existing 14-task plan, manages SojuBouncer CRDs | done |\n 25→| Account portal | `my.irc.now` -- Axum, OIDC auth, bouncer CRUD, Stripe billing | done |\n 26→| Landing page | `irc.now` -- deploy existing static site, link to portal | done |\n 27→\n 28→**Detailed plan:** `docs/plans/2026-03-03-irc-now-phase1-plan.md`\n 29→\n 30→---\n 31→\n 32→### Phase 1.5: Fill the Gaps\n 33→\n 34→Phase 1 code is deployed but most handlers are stubs. This phase makes\n 35→everything the landing page promises actually work.\n 36→\n 37→| Item | Description | Status |\n 38→|------|-------------|--------|\n 39→| Auth guard | `FromRequestParts` extractor, redirect to login if unauthenticated | done |\n 40→| Users table | DB table + upsert on OIDC callback, plan/stripe_customer_id in session | done |\n 41→| Dashboard/bouncers | Wire to kube API, real plan from session, bouncer CRUD via SojuBouncer CRs | done |\n 42→| Stripe checkout | Checkout session, billing page, customer portal, webhook handler | done |\n 43→| Content pages | docs, clients, faq, what-is-irc static pages, extract CSS | done |\n 44→| Profile page | Display name, email (synced to Keycloak), content expiry settings for pro users | done |\n 45→| Favicons/OG images | apple-touch-icon, favicon.ico, favicon.svg, og.png across all services | done |\n 46→| status.irc.now | Upptime on GitHub Pages, monitors all endpoints | planned |\n 47→| Decommission ZNC | Remove znc.josie.lol deployment and DNS | planned |\n 48→\n 49→**Detailed plan:** `docs/plans/2026-03-04-irc-now-phase1.5-plan.md`\n 50→\n 51→---\n 52→\n 53→### Phase 2: Observability\n 54→\n 55→Instrument everything before deploying more services. If it's not monitored,\n 56→it's not production.\n 57→\n 58→| Item | Description |\n 59→|------|-------------|\n 60→| Prometheus | OCP built-in or deploy dedicated instance for irc-now metrics |\n 61→| Alertmanager | Alert rules: service down, reconciliation failures, cert expiry, DB connection loss |\n 62→| Grafana | Dashboards for platform health, operator status, per-service request rates |\n 63→| Metrics endpoints | `/metrics` on all Axum services (prometheus-client crate), operator reconciliation metrics |\n 64→| Alert delivery | Email initially, IRC ops channel via bot webhook relay once bots are built |\n 65→\n 66→**Key metrics:**\n 67→- Axum: request rate, latency p50/p95/p99, error rate per route\n 68→- Operators: reconciliation loop duration, queue depth, error count\n 69→- CNPG: connection pool usage, replication lag, storage usage\n 70→- Keycloak: login success/failure rate, active sessions\n 71→\n 72→---\n 73→\n 74→### Phase 3: Supporting Services\n 75→\n 76→The tools that make the platform useful beyond just a bouncer.\n 77→\n 78→| Item | Description | Status |\n 79→|------|-------------|--------|\n 80→| chat.irc.now | Gamja web client, OAuth2 SSO via Keycloak, WebSocket to soju | done |\n 81→| txt.irc.now | Pastebin -- PostgreSQL, nanoid IDs, syntax highlighting. Free: 5 pastes, 24h expiry. Pro: 90d expiry (opt-out to unlimited) | done |\n 82→| irc.pics | Image host -- S3 (MinIO), WebP thumbnails. Free: 50MB, 90d expiry. Pro: 1GB, 90d expiry (opt-out to unlimited) | done |\n 83→| Content expiry | Pro users default to 90-day expiry, opt-out via profile settings. Plan/content_expires synced to Keycloak claims for txt/pics | done |\n 84→| OIDC plan detection | txt/pics decode JWT custom claims for plan + content_expires (previously hardcoded None) | done |\n 85→| Log search | Full-text search across scrollback history. Add-on: $2/mo | planned |\n 86→\n 87→**Dependencies:** Phase 1 (auth, DB infrastructure) must be complete. Phase 2\n 88→(monitoring) should be in place so new services are instrumented from day one.\n 89→\n 90→---\n 91→\n 92→### Phase 4: Network Hosting\n 93→\n 94→Let users run their own IRC networks. Starter: $12/mo (50 users, 1 server, 3 bots).\n 95→Growth: $24/mo (200 users, 3 servers, 10 bots).\n 96→\n 97→| Item | Description | Status |\n 98→|------|-------------|--------|\n 99→| ergo-operator | kube.rs operator managing ErgoNetwork CRDs, OAuth2, IP cloaking | done |\n 100→| ErgoNetwork CRD | Reconciles into Deployment, ConfigMap, Service, Route, Certificate | done |\n 101→| net.irc.now | First ErgoNetwork instance, auto-added as upstream on bouncer creation | done |\n 102→| IRCCloud migration | `/migrate` flow: import servers + channels from IRCCloud into soju | done |\n 103→| Portal integration | Network management tab in account portal | planned |\n 104→| DNS | Wildcard `*.irc.now` or per-tenant subdomain creation | planned |\n 105→\n 106→**Architecture note:** ergo is MIT licensed, so if you need to patch it for\n 107→multi-tenant features (custom MOTD, connection limits, telemetry hooks) there\n 108→are no license constraints.\n 109→\n 110→---\n 111→\n 112→### Phase 5: Analytics\n 113→\n 114→Understand how the platform is used. Inform product decisions.\n 115→\n 116→| Item | Description | Status |\n 117→|------|-------------|--------|\n 118→| Events table | Append-only `events` table in accounts-db (signup, login, bouncer_create/delete, plan_upgrade/downgrade) | done |\n 119→| Event recording | Inline recording at auth callback, bouncer CRUD, billing webhook | done |\n 120→| Business metrics | Prometheus gauges: users, signups, conversion rate, churn rate, active users (soju-based) | done |\n 121→| Stripe MRR | Background task queries Stripe API for MRR, active subscriptions | done |\n 122→| Per-user stats | Dashboard shows networks, channels, messages, uptime, paste/pic storage via internal APIs | done |\n 123→| Grafana dashboards | Admin dashboard: MRR, subscriptions, signups, conversion/churn rate, revenue over time | done |\n 124→| Internal usage APIs | txt + pics expose `/api/usage/{sub}` for cross-service stats | done |\n 125→| Retention cohorts | Monthly signup cohorts with % still active | planned |\n 126→| Onboarding funnel | signup -> bouncer create -> first message -> first week active | planned |\n 127→| Feature adoption | % pro users with content_expires=false, % migrated from irccloud | planned |\n 128→\n 129→**Design:** `docs/plans/2026-03-06-phase5-metrics-design.md`\n 130→**Plan:** `docs/plans/2026-03-06-phase5-metrics-plan.md`\n 131→\n 132→**Privacy note:** Analytics are first-party only. No third-party tracking.\n 133→Aggregate metrics in Grafana, per-user stats visible only to the user and ops.\n 134→\n 135→---\n 136→\n 137→### Phase 6: Bots\n 138→\n 139→Managed IRC bot runtime. The differentiating feature. Standalone: $2/mo per bot.\n 140→Network hosting plans include bot quotas.\n 141→\n 142→| Item | Description |\n 143→|------|-------------|\n 144→| Bot runner | Rust service, manages bot instances in-process, one mlua (Lua 5.4) VM per bot |\n 145→| IRC connectivity | Bots connect through user's soju bouncer to any network |\n 146→| Built-in modules | Moderation (anti-spam, flood, pattern ban), utility (URL titles, !seen, stats), feeds (RSS, webhook relay, reminders) |\n 147→| Lua sandbox | Event-driven API: on_message/on_join/etc, IRC commands, KV store, timers, rate-limited http_get |\n 148→| Portal UI | Bot CRUD, module toggles, Lua script editor (Monaco/CodeMirror), live log viewer (WebSocket), KV browser |\n 149→\n 150→**Runtime model:** All bots run in a single Deployment, multiplexed on async\n 151→IRC connections via tokio. Scales horizontally by sharding users across\n 152→replicas. No per-bot CRD -- configs live in the database. This keeps it simple\n 153→and avoids operator overhead for application-level multiplexing.\n 154→\n 155→**Sandbox boundaries:** No `os`, `io`, `require`, `loadfile`. Scripts can only\n 156→call the IRC API and KV store. `http_get` is allowlisted and rate-limited. Each\n 157→Lua VM has a memory ceiling and instruction count limit.\n 158→\n 159→---\n 160→\n 161→## Cross-Cutting Concerns\n 162→\n 163→### Auth\n 164→All services authenticate via Keycloak OIDC. The `common` crate provides Axum\n 165→middleware that validates tokens and extracts `UserClaims` (sub, email, plan,\n 166→stripe_customer_id). Gamja authenticates through a proxy that resolves the\n 167→user's bouncer endpoint.\n 168→\n 169→### Design System\n 170→All user-facing HTML uses the irc.now design system: Newsreader/Outfit/JetBrains\n 171→Mono fonts, green-on-dark palette, IRC-native component patterns. Shared via\n 172→static CSS files from `design/tokens/` and `design/components/`.\n 173→\n 174→### Deployment\n 175→Everything runs on OCP. Container images built via `oc builds` (multi-stage\n 176→Rust builds to UBI9-minimal). OCP Routes handle TLS termination per subdomain.\n 177→cert-manager issues certificates via LetsEncrypt. CNPG manages PostgreSQL.\n 178→platform-operator manages WebService/ChatService/MinioInstance CRDs -- all\n 179→platform services are declared as CRs in `deploy/instances/`.\n 180→\n 181→### Database Strategy\n 182→Single CNPG cluster. Separate databases per service (keycloak, accounts, paste,\n 183→pics). Per-tenant databases for operators (soju_*, ergo_*). Operators hold\n 184→master credentials and create scoped roles per tenant.\n 185→"}]},"uuid":"d0a0a279-39b4-4737-95b9-9d9d6e1f8611","timestamp":"2026-03-06T21:45:45.190Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/irc-now/docs/plans/2026-03-03-irc-now-roadmap.md","content":"# irc.now Platform Roadmap\n\nHigh-level vision and phase overview. Detailed implementation plans are written\nper-phase as work begins.\n\n## Vision\n\nirc.now is a hosted IRC services platform. Sign up, get a bouncer. Upgrade to\npro, get a dedicated bouncer with a custom hostname. Host your own IRC network.\nRun bots with Lua scripts. Share images and pastes. Everything connected\nthrough one account with SSO.\n\n## Phases\n\n### Phase 1: Foundation\n\nGet the core platform running: users can sign up, create a bouncer, and pay.\n\n| Item | Description | Status |\n|------|-------------|--------|\n| Rust workspace | Monorepo with shared `common` crate | done |\n| GitOps manifests | CNPG clusters, namespace, RBAC, secrets | done |\n| Keycloak | Dedicated instance at `auth.irc.now`, `irc-now` realm, OIDC clients | done |\n| soju-operator | Existing 14-task plan, manages SojuBouncer CRDs | done |\n| Account portal | `my.irc.now` -- Axum, OIDC auth, bouncer CRUD, Stripe billing | done |\n| Landing page | `irc.now` -- deploy existing static site, link to portal | done |\n\n**Detailed plan:** `docs/plans/2026-03-03-irc-now-phase1-plan.md`\n\n---\n\n### Phase 1.5: Fill the Gaps\n\nPhase 1 code is deployed but most handlers are stubs. This phase makes\neverything the landing page promises actually work.\n\n| Item | Description | Status |\n|------|-------------|--------|\n| Auth guard | `FromRequestParts` extractor, redirect to login if unauthenticated | done |\n| Users table | DB table + upsert on OIDC callback, plan/stripe_customer_id in session | done |\n| Dashboard/bouncers | Wire to kube API, real plan from session, bouncer CRUD via SojuBouncer CRs | done |\n| Stripe checkout | Checkout session, billing page, customer portal, webhook handler | done |\n| Content pages | docs, clients, faq, what-is-irc static pages, extract CSS | done |\n| Profile page | Display name, email (synced to Keycloak), content expiry settings for pro users | done |\n| Favicons/OG images | apple-touch-icon, favicon.ico, favicon.svg, og.png across all services | done |\n| status.irc.now | Upptime on GitHub Pages, monitors all endpoints | planned |\n| Decommission ZNC | Remove znc.josie.lol deployment and DNS | planned |\n\n**Detailed plan:** `docs/plans/2026-03-04-irc-now-phase1.5-plan.md`\n\n---\n\n### Phase 2: Observability\n\nInstrument everything before deploying more services. If it's not monitored,\nit's not production.\n\n| Item | Description |\n|------|-------------|\n| Prometheus | OCP built-in or deploy dedicated instance for irc-now metrics |\n| Alertmanager | Alert rules: service down, reconciliation failures, cert expiry, DB connection loss |\n| Grafana | Dashboards for platform health, operator status, per-service request rates |\n| Metrics endpoints | `/metrics` on all Axum services (prometheus-client crate), operator reconciliation metrics |\n| Alert delivery | Email initially, IRC ops channel via bot webhook relay once bots are built |\n\n**Key metrics:**\n- Axum: request rate, latency p50/p95/p99, error rate per route\n- Operators: reconciliation loop duration, queue depth, error count\n- CNPG: connection pool usage, replication lag, storage usage\n- Keycloak: login success/failure rate, active sessions\n\n---\n\n### Phase 3: Supporting Services\n\nThe tools that make the platform useful beyond just a bouncer.\n\n| Item | Description | Status |\n|------|-------------|--------|\n| chat.irc.now | Gamja web client, OAuth2 SSO via Keycloak, WebSocket to soju | done |\n| txt.irc.now | Pastebin -- PostgreSQL, nanoid IDs, syntax highlighting. Free: 5 pastes, 24h expiry. Pro: 90d expiry (opt-out to unlimited) | done |\n| irc.pics | Image host -- S3 (MinIO), WebP thumbnails. Free: 50MB, 90d expiry. Pro: 1GB, 90d expiry (opt-out to unlimited) | done |\n| Content expiry | Pro users default to 90-day expiry, opt-out via profile settings. Plan/content_expires synced to Keycloak claims for txt/pics | done |\n| OIDC plan detection | txt/pics decode JWT custom claims for plan + content_expires (previously hardcoded None) | done |\n| Log search | Full-text search across scrollback history. Add-on: $2/mo | planned |\n\n**Dependencies:** Phase 1 (auth, DB infrastructure) must be complete. Phase 2\n(monitoring) should be in place so new services are instrumented from day one.\n\n---\n\n### Phase 4: Network Hosting\n\nLet users run their own IRC networks. Starter: $12/mo (50 users, 1 server, 3 bots).\nGrowth: $24/mo (200 users, 3 servers, 10 bots).\n\n| Item | Description | Status |\n|------|-------------|--------|\n| ergo-operator | kube.rs operator managing ErgoNetwork CRDs, OAuth2, IP cloaking | done |\n| ErgoNetwork CRD | Reconciles into Deployment, ConfigMap, Service, Route, Certificate | done |\n| net.irc.now | First ErgoNetwork instance, auto-added as upstream on bouncer creation | done |\n| IRCCloud migration | `/migrate` flow: import servers + channels from IRCCloud into soju | done |\n| Portal integration | Network management tab in account portal | planned |\n| DNS | Wildcard `*.irc.now` or per-tenant subdomain creation | planned |\n\n**Architecture note:** ergo is MIT licensed, so if you need to patch it for\nmulti-tenant features (custom MOTD, connection limits, telemetry hooks) there\nare no license constraints.\n\n---\n\n### Phase 5: Analytics\n\nUnderstand how the platform is used. Inform product decisions.\n\n| Item | Description | Status |\n|------|-------------|--------|\n| Events table | Append-only `events` table in accounts-db (signup, login, bouncer_create/delete, plan_upgrade/downgrade) | done |\n| Event recording | Inline recording at auth callback, bouncer CRUD, billing webhook | done |\n| Business metrics | Prometheus gauges: users, signups, conversion rate, churn rate, active users (soju-based) | done |\n| Stripe MRR | Background task queries Stripe API for MRR, active subscriptions | done |\n| Per-user stats | Dashboard shows networks, channels, messages, uptime, paste/pic storage via internal APIs | done |\n| Grafana dashboards | Admin dashboard: MRR, subscriptions, signups, conversion/churn rate, revenue over time | done |\n| Internal usage APIs | txt + pics expose `/api/usage/{sub}` for cross-service stats | done |\n| Retention cohorts | Monthly signup cohorts with % still active | planned |\n| Onboarding funnel | signup -> bouncer create -> first message -> first week active | planned |\n| Feature adoption | % pro users with content_expires=false, % migrated from irccloud | planned |\n\n**Design:** `docs/plans/2026-03-06-phase5-metrics-design.md`\n**Plan:** `docs/plans/2026-03-06-phase5-metrics-plan.md`\n\n**Privacy note:** Analytics are first-party only. No third-party tracking.\nAggregate metrics in Grafana, per-user stats visible only to the user and ops.\n\n---\n\n### Phase 6: Bots\n\nManaged IRC bot runtime. The differentiating feature. Standalone: $2/mo per bot.\nNetwork hosting plans include bot quotas.\n\n| Item | Description |\n|------|-------------|\n| Bot runner | Rust service, manages bot instances in-process, one mlua (Lua 5.4) VM per bot |\n| IRC connectivity | Bots connect through user's soju bouncer to any network |\n| Built-in modules | Moderation (anti-spam, flood, pattern ban), utility (URL titles, !seen, stats), feeds (RSS, webhook relay, reminders) |\n| Lua sandbox | Event-driven API: on_message/on_join/etc, IRC commands, KV store, timers, rate-limited http_get |\n| Portal UI | Bot CRUD, module toggles, Lua script editor (Monaco/CodeMirror), live log viewer (WebSocket), KV browser |\n\n**Runtime model:** All bots run in a single Deployment, multiplexed on async\nIRC connections via tokio. Scales horizontally by sharding users across\nreplicas. No per-bot CRD -- configs live in the database. This keeps it simple\nand avoids operator overhead for application-level multiplexing.\n\n**Sandbox boundaries:** No `os`, `io`, `require`, `loadfile`. Scripts can only\ncall the IRC API and KV store. `http_get` is allowlisted and rate-limited. Each\nLua VM has a memory ceiling and instruction count limit.\n\n---\n\n## Cross-Cutting Concerns\n\n### Auth\nAll services authenticate via Keycloak OIDC. The `common` crate provides Axum\nmiddleware that validates tokens and extracts `UserClaims` (sub, email, plan,\nstripe_customer_id). Gamja authenticates through a proxy that resolves the\nuser's bouncer endpoint.\n\n### Design System\nAll user-facing HTML uses the irc.now design system: Newsreader/Outfit/JetBrains\nMono fonts, green-on-dark palette, IRC-native component patterns. Shared via\nstatic CSS files from `design/tokens/` and `design/components/`.\n\n### Deployment\nEverything runs on OCP. Container images built via `oc builds` (multi-stage\nRust builds to UBI9-minimal). OCP Routes handle TLS termination per subdomain.\ncert-manager issues certificates via LetsEncrypt. CNPG manages PostgreSQL.\nplatform-operator manages WebService/ChatService/MinioInstance CRDs -- all\nplatform services are declared as CRs in `deploy/instances/`.\n\n### Database Strategy\nSingle CNPG cluster. Separate databases per service (keycloak, accounts, paste,\npics). Per-tenant databases for operators (soju_*, ergo_*). 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19→}\n 20→\n 21→pub struct IrcCloudServer {\n 22→ #[allow(dead_code)]\n 23→ pub cid: i64,\n 24→ pub hostname: String,\n 25→ pub port: u16,\n 26→ pub ssl: bool,\n 27→ pub name: String,\n 28→ pub nick: String,\n 29→ pub realname: String,\n 30→ pub server_pass: Option,\n 31→ pub nickserv_pass: Option,\n 32→ pub join_commands: Option,\n 33→ pub channels: Vec,\n 34→}\n 35→\n 36→impl IrcCloudServer {\n 37→ pub fn addr(&self) -> String {\n 38→ if self.ssl {\n 39→ format!(\"ircs://{}:{}\", self.hostname, self.port)\n 40→ } else {\n 41→ format!(\"irc+insecure://{}:{}\", self.hostname, self.port)\n 42→ }\n 43→ }\n 44→\n 45→ pub fn connect_commands(&self) -> String {\n 46→ let mut cmds = Vec::new();\n 47→ if let Some(ref pass) = self.nickserv_pass {\n 48→ if !pass.is_empty() {\n 49→ cmds.push(format!(\"PRIVMSG NickServ :IDENTIFY {pass}\"));\n 50→ }\n 51→ }\n 52→ if let Some(ref join) = self.join_commands {\n 53→ if !join.is_empty() {\n 54→ cmds.push(join.clone());\n 55→ }\n 56→ }\n 57→ cmds.join(\"\\r\\n\")\n 58→ }\n 59→}\n 60→\n 61→#[derive(Deserialize)]\n 62→struct AuthFormTokenResponse {\n 63→ success: bool,\n 64→ token: Option,\n 65→}\n 66→\n 67→#[derive(Deserialize)]\n 68→struct LoginResponse {\n 69→ success: bool,\n 70→ session: Option,\n 71→ message: Option,\n 72→}\n 73→\n 74→#[derive(Deserialize)]\n 75→struct StreamMessage {\n 76→ #[serde(rename = \"type\")]\n 77→ msg_type: Option,\n 78→ cid: Option,\n 79→ hostname: Option,\n 80→ port: Option,\n 81→ ssl: Option,\n 82→ name: Option,\n 83→ nick: Option,\n 84→ realname: Option,\n 85→ server_pass: Option,\n 86→ nickserv_pass: Option,\n 87→ join_commands: Option,\n 88→ buffer_type: Option,\n 89→}\n 90→\n 91→pub async fn authenticate(email: &str, password: &str) -> Result {\n 92→ let client = reqwest::Client::builder()\n 93→ .cookie_store(true)\n 94→ .build()\n 95→ .map_err(|e| IrcCloudError::Network(e.to_string()))?;\n 96→\n 97→ let resp = client\n 98→ .post(\"https://www.irccloud.com/chat/auth-formtoken\")\n 99→ .send()\n 100→ .await\n 101→ .map_err(|e| IrcCloudError::Network(e.to_string()))?;\n 102→\n 103→ let token_resp: AuthFormTokenResponse = resp\n 104→ .json()\n 105→ .await\n 106→ .map_err(|e| IrcCloudError::Parse(e.to_string()))?;\n 107→\n 108→ if !token_resp.success {\n 109→ return Err(IrcCloudError::Auth(\"failed to get form token\".to_string()));\n 110→ }\n 111→\n 112→ let token = token_resp\n 113→ .token\n 114→ .ok_or_else(|| IrcCloudError::Auth(\"missing form token\".to_string()))?;\n 115→\n 116→ let resp = client\n 117→ .post(\"https://www.irccloud.com/chat/login\")\n 118→ .header(\"x-auth-formtoken\", &token)\n 119→ .form(&[\n 120→ (\"email\", email),\n 121→ (\"password\", password),\n 122→ (\"token\", &token),\n 123→ ])\n 124→ .send()\n 125→ .await\n 126→ .map_err(|e| IrcCloudError::Network(e.to_string()))?;\n 127→\n 128→ let login_resp: LoginResponse = resp\n 129→ .json()\n 130→ .await\n 131→ .map_err(|e| IrcCloudError::Parse(e.to_string()))?;\n 132→\n 133→ if !login_resp.success {\n 134→ let msg = login_resp\n 135→ .message\n 136→ .unwrap_or_else(|| \"unknown error\".to_string());\n 137→ return Err(IrcCloudError::Auth(msg));\n 138→ }\n 139→\n 140→ login_resp\n 141→ .session\n 142→ .ok_or_else(|| IrcCloudError::Auth(\"missing session token\".to_string()))\n 143→}\n 144→\n 145→pub async fn fetch_state(session: &str) -> Result, IrcCloudError> {\n 146→ let client = reqwest::Client::new();\n 147→\n 148→ let resp = client\n 149→ .get(\"https://www.irccloud.com/chat/stream\")\n 150→ .header(\"Cookie\", format!(\"session={session}\"))\n 151→ .timeout(std::time::Duration::from_secs(15))\n 152→ .send()\n 153→ .await\n 154→ .map_err(|e| IrcCloudError::Network(e.to_string()))?;\n 155→\n 156→ let body = resp\n 157→ .text()\n 158→ .await\n 159→ .map_err(|e| IrcCloudError::Network(e.to_string()))?;\n 160→\n 161→ parse_stream(&body)\n 162→}\n 163→\n 164→fn parse_stream(body: &str) -> Result, IrcCloudError> {\n 165→ let mut servers: HashMap = HashMap::new();\n 166→ let mut channels: HashMap> = HashMap::new();\n 167→\n 168→ for line in body.lines() {\n 169→ let line = line.trim();\n 170→ if line.is_empty() {\n 171→ continue;\n 172→ }\n 173→\n 174→ let msg: StreamMessage = match serde_json::from_str(line) {\n 175→ Ok(m) => m,\n 176→ Err(_) => continue,\n 177→ };\n 178→\n 179→ match msg.msg_type.as_deref() {\n 180→ Some(\"makeserver\") => {\n 181→ if let Some(cid) = msg.cid {\n 182→ servers.insert(\n 183→ cid,\n 184→ IrcCloudServer {\n 185→ cid,\n 186→ hostname: msg.hostname.unwrap_or_default(),\n 187→ port: msg.port.unwrap_or(6667),\n 188→ ssl: msg.ssl.unwrap_or(false),\n 189→ name: msg.name.unwrap_or_default(),\n 190→ nick: msg.nick.unwrap_or_default(),\n 191→ realname: msg.realname.unwrap_or_default(),\n 192→ server_pass: msg.server_pass,\n 193→ nickserv_pass: msg.nickserv_pass,\n 194→ join_commands: msg.join_commands,\n 195→ channels: Vec::new(),\n 196→ },\n 197→ );\n 198→ }\n 199→ }\n 200→ Some(\"makebuffer\") => {\n 201→ if msg.buffer_type.as_deref() == Some(\"channel\") {\n 202→ if let (Some(cid), Some(name)) = (msg.cid, msg.name) {\n 203→ channels.entry(cid).or_default().push(name);\n 204→ }\n 205→ }\n 206→ }\n 207→ Some(\"oob_include\") => break,\n 208→ _ => {}\n 209→ }\n 210→ }\n 211→\n 212→ for (cid, chans) in channels {\n 213→ if let Some(server) = servers.get_mut(&cid) {\n 214→ server.channels = chans;\n 215→ }\n 216→ }\n 217→\n 218→ let mut result: Vec = servers.into_values().collect();\n 219→ result.sort_by(|a, b| a.name.cmp(&b.name));\n 220→ Ok(result)\n 221→}\n 222→\n 223→#[cfg(test)]\n 224→mod tests {\n 225→ use super::*;\n 226→\n 227→ fn sample_stream() -> &'static str {\n 228→ concat!(\n 229→ r#\"{\"type\":\"header\",\"idle_interval\":29000}\"#, \"\\n\",\n 230→ r#\"{\"type\":\"makeserver\",\"cid\":1,\"hostname\":\"irc.hackint.org\",\"port\":6697,\"ssl\":true,\"name\":\"hackint\",\"nick\":\"testuser\",\"realname\":\"Test User\",\"server_pass\":null,\"nickserv_pass\":\"secret123\",\"join_commands\":null}\"#, \"\\n\",\n 231→ r##\"{\"type\":\"makeserver\",\"cid\":2,\"hostname\":\"irc.libera.chat\",\"port\":6667,\"ssl\":false,\"name\":\"libera\",\"nick\":\"testuser\",\"realname\":\"Test User\",\"server_pass\":\"spass\",\"nickserv_pass\":null,\"join_commands\":\"PRIVMSG ChanServ :op #test\"}\"##, \"\\n\",\n 232→ r##\"{\"type\":\"makebuffer\",\"cid\":1,\"name\":\"#hackint\",\"buffer_type\":\"channel\"}\"##, \"\\n\",\n 233→ r##\"{\"type\":\"makebuffer\",\"cid\":1,\"name\":\"#rust\",\"buffer_type\":\"channel\"}\"##, \"\\n\",\n 234→ r##\"{\"type\":\"makebuffer\",\"cid\":2,\"name\":\"#libera\",\"buffer_type\":\"channel\"}\"##, \"\\n\",\n 235→ r#\"{\"type\":\"makebuffer\",\"cid\":1,\"name\":\"testuser\",\"buffer_type\":\"console\"}\"#, \"\\n\",\n 236→ r#\"{\"type\":\"oob_include\",\"url\":\"/chat/backlog\"}\"#, \"\\n\",\n 237→ )\n 238→ }\n 239→\n 240→ #[test]\n 241→ fn parse_servers_and_channels() {\n 242→ let 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features = [\"derive\"] }\n 24→serde_json = \"1\"\n 25→sqlx = { version = \"0.8\", features = [\"runtime-tokio\", \"postgres\"] }\n 26→tracing = \"0.1\"\n 27→tracing-subscriber = { version = \"0.3\", features = [\"env-filter\"] }\n 28→thiserror = \"2\"\n 29→anyhow = \"1\"\n 30→nanoid = \"0.4\"\n 31→time = { version = \"0.3\", features = [\"serde\"] }\n 32→base64 = \"0.22\"\n 33→metrics = \"0.24\"\n 34→metrics-exporter-prometheus = { version = \"0.16\", default-features = false }\n 35→"}]},"uuid":"902df330-abe6-4c0c-9d27-900e196716e5","timestamp":"2026-03-07T12:40:50.836Z"},"type":"agent_progress","prompt":"","agentId":"a3a82f69f155b3b79"},"toolUseID":"agent_msg_01DpcAH59121hNZshdGAMEMp","parentToolUseID":"toolu_01AChx92B32WiuBAkYh3ksZT","uuid":"e08ceb0d-42b0-47b7-8e6d-656b58e588f9","timestamp":"2026-03-07T12:40:50.873Z"} 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{"parentUuid":"05009f86-47cf-4d50-a2dd-b6a5dc7753b8","isSidechain":false,"userType":"external","cwd":"/home/josie/development/irc-now","sessionId":"517a9bed-fc51-43d7-86aa-b95c1b870529","version":"2.1.70","gitBranch":"master","slug":"groovy-beaming-scroll","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AQEyEcfvwN2ECzpb6tEra8","type":"tool_result","content":" 50→\n 51→#[cfg(test)]\n 52→mod tests {\n 53→ use super::*;\n 54→\n 55→ #[test]\n 56→ fn parse_checkout_completed_event() {\n 57→ let payload = r#\"{\"type\":\"checkout.session.completed\",\"data\":{\"object\":{\"customer\":\"cus_123\",\"metadata\":{\"user_id\":\"usr_456\"}}}}\"#;\n 58→ let event: StripeEvent = serde_json::from_str(payload).unwrap();\n 59→ assert_eq!(event.event_type, \"checkout.session.completed\");\n 60→ }\n 61→\n 62→ #[test]\n 63→ fn parse_subscription_deleted_event() {\n 64→ let payload = r#\"{\"type\":\"customer.subscription.deleted\",\"data\":{\"object\":{\"customer\":\"cus_789\"}}}\"#;\n 65→ let event: StripeEvent = serde_json::from_str(payload).unwrap();\n 66→ assert_eq!(event.event_type, \"customer.subscription.deleted\");\n 67→ }\n 68→\n 69→ #[test]\n 70→ fn webhook_signature_rejects_bad_signature() {\n 71→ assert!(!verify_webhook_signature(\"payload\", \"t=123,v1=badsig\", \"secret\"));\n 72→ }\n 73→}\n 74→"}]},"uuid":"2149e0de-cb72-41af-9344-5a3e9fa3e87e","timestamp":"2026-03-07T12:40:53.093Z"},"type":"agent_progress","prompt":"","agentId":"a3a82f69f155b3b79"},"toolUseID":"agent_msg_01DpcAH59121hNZshdGAMEMp","parentToolUseID":"toolu_01AChx92B32WiuBAkYh3ksZT","uuid":"ecd88c04-4dab-49d8-80e3-c5f12a47f108","timestamp":"2026-03-07T12:40:53.133Z"} {"parentUuid":"ecd88c04-4dab-49d8-80e3-c5f12a47f108","isSidechain":false,"userType":"external","cwd":"/home/josie/development/irc-now","sessionId":"517a9bed-fc51-43d7-86aa-b95c1b870529","version":"2.1.70","gitBranch":"master","slug":"groovy-beaming-scroll","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Agent","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01AChx92B32WiuBAkYh3ksZT","toolUseID":"toolu_01AChx92B32WiuBAkYh3ksZT","timestamp":"2026-03-07T12:41:30.384Z","uuid":"51c3e3c2-97d3-46ec-b85b-e48bfaf8d102"} {"parentUuid":"f48a377a-9d35-42db-a723-f0e59f4d36a3","isSidechain":false,"userType":"external","cwd":"/home/josie/development/irc-now","sessionId":"517a9bed-fc51-43d7-86aa-b95c1b870529","version":"2.1.70","gitBranch":"master","slug":"groovy-beaming-scroll","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AChx92B32WiuBAkYh3ksZT","type":"tool_result","content":[{"type":"text","text":"Excellent! Now I have thoroughly explored the test infrastructure. Let me compile my findings into a comprehensive report.\n\n## Test Infrastructure Exploration Report\n\n### Summary\nThe irc-now workspace has a **mature