Setting sched clock stable for kvmclock causes the printk timestamps to not start from zero, which is different from baremetal and can possibly break userspace. Add a flag to indicate that hypervisor sets clock base at zero when kvmclock is initialized. Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx> --- arch/x86/include/asm/pvclock-abi.h | 1 + 1 file changed, 1 insertion(+) Index: kvm/arch/x86/include/asm/pvclock-abi.h =================================================================== --- kvm.orig/arch/x86/include/asm/pvclock-abi.h 2014-11-06 23:59:14.615913334 -0200 +++ kvm/arch/x86/include/asm/pvclock-abi.h 2015-05-27 17:40:53.435192771 -0300 @@ -41,5 +41,6 @@ #define PVCLOCK_TSC_STABLE_BIT (1 << 0) #define PVCLOCK_GUEST_STOPPED (1 << 1) +#define PVCLOCK_COUNTS_FROM_ZERO (1 << 2) #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_PVCLOCK_ABI_H */ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
