On 20/01/2017 13:20, Marcelo Tosatti wrote:
> To be used by KVM PTP driver.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
>
> ---
> arch/x86/include/asm/kvmclock.h | 6 ++++++
> arch/x86/kernel/kvmclock.c | 6 ++++++
> 2 files changed, 12 insertions(+)
>
> Index: kvm-ptpdriver/arch/x86/include/asm/kvmclock.h
> ===================================================================
> --- /dev/null 1970-01-01 00:00:00.000000000 +0000
> +++ kvm-ptpdriver/arch/x86/include/asm/kvmclock.h 2017-01-18 18:20:35.463472189 -0200
> @@ -0,0 +1,6 @@
> +#ifndef _ASM_X86_KVM_CLOCK_H
> +#define _ASM_X86_KVM_CLOCK_H
> +
> +struct clocksource *get_kvmclock_cs(void);
> +
> +#endif /* _ASM_X86_KVM_CLOCK_H */
> Index: kvm-ptpdriver/arch/x86/kernel/kvmclock.c
> ===================================================================
> --- kvm-ptpdriver.orig/arch/x86/kernel/kvmclock.c 2017-01-11 21:22:13.306315984 -0200
> +++ kvm-ptpdriver/arch/x86/kernel/kvmclock.c 2017-01-18 18:20:02.543397125 -0200
> @@ -28,6 +28,7 @@
>
> #include <asm/x86_init.h>
> #include <asm/reboot.h>
> +#include <asm/kvmclock.h>
>
> static int kvmclock __ro_after_init = 1;
> static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
> @@ -182,6 +183,11 @@
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> };
>
> +struct clocksource *get_kvmclock_cs(void)
> +{
> + return &kvm_clock;
You can export kvm_clock directly (rename it to clocksource_kvmclock if
you prefer).
Paolo
> +}
> +
> int kvm_register_clock(char *txt)
> {
> int cpu = smp_processor_id();
>
>
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