diff options
| author | Wanpeng Li <wanpengli@tencent.com> | 2021-05-04 17:27:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-28 13:18:52 +0200 |
| commit | e325dc7acbdb4140dc7268caac1fa437e86edc51 (patch) | |
| tree | 0ec677f2a84a6bc90eb6275f5c52d90cf888a491 | |
| parent | f3ab9709b00ed389f870f6b20d323193bcf572c8 (diff) | |
context_tracking: Move guest exit context tracking to separate helpers
commit 866a6dadbb027b2955a7ae00bab9705d382def12 upstream.
Provide separate context tracking helpers for guest exit, the standalone
helpers will be called separately by KVM x86 in later patches to fix
tick-based accounting.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210505002735.1684165-2-seanjc@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/context_tracking.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index bceb06498521..b8c7313495a7 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -131,10 +131,15 @@ static __always_inline void guest_enter_irqoff(void) } } -static __always_inline void guest_exit_irqoff(void) +static __always_inline void context_tracking_guest_exit(void) { if (context_tracking_enabled()) __context_tracking_exit(CONTEXT_GUEST); +} + +static __always_inline void guest_exit_irqoff(void) +{ + context_tracking_guest_exit(); instrumentation_begin(); if (vtime_accounting_enabled_this_cpu()) @@ -159,6 +164,8 @@ static __always_inline void guest_enter_irqoff(void) instrumentation_end(); } +static __always_inline void context_tracking_guest_exit(void) { } + static __always_inline void guest_exit_irqoff(void) { instrumentation_begin(); |