1d73a8 ("PCI: Extend isolated function probing to LoongArch")
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 drivers/pci/probe.c        | 2 +-
 include/linux/hypervisor.h | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c83e75a0ec12..da6a2aef823a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2883,7 +2883,7 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
 			 * a hypervisor that passes through individual PCI
 			 * functions.
 			 */
-			if (!hypervisor_isolated_pci_functions())
+			if (!hypervisor_isolated_pci_functions(bus->number))
 				break;
 		}
 		fn = next_fn(bus, dev, fn);
diff --git a/include/linux/hypervisor.h b/include/linux/hypervisor.h
index be5417303ecf..30ece04a16d9 100644
--- a/include/linux/hypervisor.h
+++ b/include/linux/hypervisor.h
@@ -32,13 +32,15 @@ static inline bool jailhouse_paravirt(void)
 
 #endif /* !CONFIG_X86 */
 
-static inline bool hypervisor_isolated_pci_functions(void)
+static inline bool hypervisor_isolated_pci_functions(int bus)
 {
 	if (IS_ENABLED(CONFIG_S390))
 		return true;
 
-	if (IS_ENABLED(CONFIG_LOONGARCH))
-		return true;
+	if (IS_ENABLED(CONFIG_LOONGARCH)) {
+		if (bus == 0)
+			return true;
+	}
 
 	return jailhouse_paravirt();
 }
-- 
2.47.3[PATCH 03/15] PCI: Limit islolated function probing on bus 0 for LoongArchHuacai Chen <chenhuacai@loongson.cn> undefinedBjorn Helgaas <bhelgaas@google.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Krzysztof WilczyƄski <kw@linux.com>, Rob Herring <robh@kernel.org> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined…Xƒš{