diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 16:47:41 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 16:47:41 +0100 |
| commit | 382d72a9aa525b56ab8453ce61751fa712414d3d (patch) | |
| tree | 5a395389beadf4da703f1ae2c087b36f3a3549d5 /arch | |
| parent | ac73e08eda885a6723593c45d634b59c63365986 (diff) | |
| parent | 5140a6f471137205687428b0b8f12f7187bffd18 (diff) | |
Merge branch 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 hyperv updates from Ingo Molnar:
"Two small changes: a boot warning removal and a minor cleanup"
* 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hyperv: Remove unused include
x86/hyperv: Suppress "PCI: Fatal: No config space access function found"
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/hyperv/hv_apic.c | 1 | ||||
| -rw-r--r-- | arch/x86/hyperv/hv_init.c | 19 |
2 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index 2c43e3055948..8eb6fbee8e13 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -20,7 +20,6 @@ */ #include <linux/types.h> -#include <linux/version.h> #include <linux/vmalloc.h> #include <linux/mm.h> #include <linux/clockchips.h> diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 20c876c7c5bf..7abb09e2eeb8 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -17,6 +17,7 @@ * */ +#include <linux/efi.h> #include <linux/types.h> #include <asm/apic.h> #include <asm/desc.h> @@ -253,6 +254,22 @@ static int hv_cpu_die(unsigned int cpu) return 0; } +static int __init hv_pci_init(void) +{ + int gen2vm = efi_enabled(EFI_BOOT); + + /* + * For Generation-2 VM, we exit from pci_arch_init() by returning 0. + * The purpose is to suppress the harmless warning: + * "PCI: Fatal: No config space access function found" + */ + if (gen2vm) + return 0; + + /* For Generation-1 VM, we'll proceed in pci_arch_init(). */ + return 1; +} + /* * This function is to be invoked early in the boot sequence after the * hypervisor has been detected. @@ -329,6 +346,8 @@ void __init hyperv_init(void) hv_apic_init(); + x86_init.pci.arch_init = hv_pci_init; + /* * Register Hyper-V specific clocksource. */ |