diff options
author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-02-04 09:57:13 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-10 15:40:19 +0100 |
commit | dee863b571b0a76e9c549ee99e8782bb4bc6502b (patch) | |
tree | c3f69821e106090e79c5a3c7e030616d72cfacd5 /arch/x86/include/asm/mshyperv.h | |
parent | 9b06e1018abc65585b07c75c5b3f406dbabe7005 (diff) | |
download | linux-dee863b571b0a76e9c549ee99e8782bb4bc6502b.tar.gz |
hv: export current Hyper-V clocksource
As a preparation to implementing Hyper-V PTP device supporting
.getcrosststamp we need to export a reference to the current Hyper-V
clocksource in use (MSR or TSC page).
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/mshyperv.h')
-rw-r--r-- | arch/x86/include/asm/mshyperv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 56407c6d2397..7c9c895432a9 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <linux/interrupt.h> +#include <linux/clocksource.h> #include <asm/hyperv.h> /* @@ -168,6 +169,8 @@ void hv_setup_crash_handler(void (*handler)(struct pt_regs *regs)); void hv_remove_crash_handler(void); #if IS_ENABLED(CONFIG_HYPERV) +extern struct clocksource *hyperv_cs; + void hyperv_init(void); void hyperv_report_panic(struct pt_regs *regs); bool hv_is_hypercall_page_setup(void); |