Re: [PATCH v3 1/9] context_tracking: Move guest exit context tracking to separate helpers

From: Frederic Weisbecker
Date: Wed Apr 21 2021 - 06:57:05 EST


On Thu, Apr 15, 2021 at 03:20:58PM -0700, Sean Christopherson wrote:
> From: Wanpeng Li <wanpengli@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
> Cc: Michael Tokarev <mjt@xxxxxxxxxx>
> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Signed-off-by: Wanpeng Li <wanpengli@xxxxxxxxxxx>
> Co-developed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---
> include/linux/context_tracking.h | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
> index bceb06498521..200d30cb3a82 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_irqoff(void)

You can make this context_tracking_guest_exit() since there is no irq-on
version.

Thanks.