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| author | Renat Valiullin <rvaliullin@vmware.com> | 2016-10-13 11:45:39 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-10-19 17:36:33 +0200 |
| commit | 854dd54245f7f1b1175b1bada613929396a571be (patch) | |
| tree | 2c5ee263258963a95a2e26b13183d3bb043edd3f | |
| parent | 1a1891d762d6e64daf07b5be4817e3fbb29e3c59 (diff) | |
| download | linux-854dd54245f7f1b1175b1bada613929396a571be.tar.gz linux-854dd54245f7f1b1175b1bada613929396a571be.tar.bz2 linux-854dd54245f7f1b1175b1bada613929396a571be.zip | |
x86/vmware: Skip timer_irq_works() check on VMware
The timer_irq_works() boot check may sometimes fail in a VM, when
the Host is overcommitted or when the Guest is running nested.
Since the intended check is unnecessary on VMware's virtual
hardware, by-pass it.
Signed-off-by: Renat Valiullin <rvaliullin@vmware.com>
Acked-by: Alok N Kataria <akataria@vmware.com>
Cc: virtualization@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20161013184539.GA11497@rvaliullin-vm
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/kernel/cpu/vmware.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 81160578b91a..5130985b758b 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -27,6 +27,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/timer.h> #include <asm/apic.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 @@ -94,6 +95,10 @@ static void __init vmware_platform_setup(void) } else { pr_warn("Failed to get TSC freq from the hypervisor\n"); } + +#ifdef CONFIG_X86_IO_APIC + no_timer_check = 1; +#endif } /* |