On Fri, Jul 12, 2019 at 04:04:17PM +0000, Haiyang Zhang wrote:
-----Original Message-----
From: Randy Dunlap <rdun...@infradead.org>
Sent: Friday, July 12, 2019 11:53 AM
To: linux-pci <linux-...@vger.kernel.org>; LKML <linux-
ker...@vger.kernel.org>
Cc: Matthew Wilcox <wi...@infradead.org>; Jake Oshins
<ja...@microsoft.com>; KY Srinivasan <k...@microsoft.com>; Haiyang
Zhang <haiya...@microsoft.com>; Stephen Hemminger
<sthem...@microsoft.com>; Stephen Hemminger
<step...@networkplumber.org>; Sasha Levin <sas...@kernel.org>; Bjorn
Helgaas <bhelg...@google.com>; Dexuan Cui <de...@microsoft.com>
Subject: [PATCH] PCI: pci-hyperv: fix build errors on non-SYSFS config
From: Randy Dunlap <rdun...@infradead.org>
Fix build errors when building almost-allmodconfig but with SYSFS
not set (not enabled). Fixes these build errors:
ERROR: "pci_destroy_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
ERROR: "pci_create_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
drivers/pci/slot.o is only built when SYSFS is enabled, so
pci-hyperv.o has an implicit dependency on SYSFS.
Make that explicit.
Also, depending on X86 && X86_64 is not needed, so just change that
to depend on X86_64.
Fixes: a15f2c08c708 ("PCI: hv: support reporting serial number as slot
information")
Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Matthew Wilcox <wi...@infradead.org>
Cc: Jake Oshins <ja...@microsoft.com>
Cc: "K. Y. Srinivasan" <k...@microsoft.com>
Cc: Haiyang Zhang <haiya...@microsoft.com>
Cc: Stephen Hemminger <sthem...@microsoft.com>
Cc: Stephen Hemminger <step...@networkplumber.org>
Cc: Sasha Levin <sas...@kernel.org>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: linux-...@vger.kernel.org
Cc: linux-hyp...@vger.kernel.org
Cc: Dexuan Cui <de...@microsoft.com>
---
v3: corrected Fixes: tag [Dexuan Cui <de...@microsoft.com>]
This is the Microsoft-preferred version of the patch.
drivers/pci/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- lnx-52.orig/drivers/pci/Kconfig
+++ lnx-52/drivers/pci/Kconfig
@@ -181,7 +181,7 @@ config PCI_LABEL
config PCI_HYPERV
tristate "Hyper-V PCI Frontend"
- depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN
&& X86_64
+ depends on X86_64 && HYPERV && PCI_MSI &&
PCI_MSI_IRQ_DOMAIN && SYSFS
help
The PCI device frontend driver allows the kernel to import arbitrary
PCI devices from a PCI backend to support PCI driver domains.
Reviewed-by: Haiyang Zhang <haiya...@microsoft.com>
Queued up for hyperv-fixes, thank you!
--
Thanks,
Sasha