Commit 866a6dad authored by Wanpeng Li's avatar Wanpeng Li Committed by Thomas Gleixner
Browse files

context_tracking: Move guest exit context tracking to separate helpers 



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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarWanpeng Li <wanpengli@tencent.com>
Co-developed-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210505002735.1684165-2-seanjc@google.com
parent a217a659

include/linux/context_tracking.h

+8 −1
Original line number Diff line number Diff line
@@ -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();