linux-kernel - Re: [PATCH] KVM: remove unused guest

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Date:   Sun, 19 Jan 2020 10:12:07 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: remove unused guest_enter

On 16/01/20 04:32, Alex Shi wrote:
> After commit 61bd0f66ff92 ("KVM: PPC: Book3S HV: Fix guest time accounting
> with VIRT_CPU_ACCOUNTING_GEN"), no one use this function anymore, So better
> to remove it.
> 
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Frederic Weisbecker <frederic@...nel.org>
> Cc: linux-kernel@...r.kernel.org
> ---
>  include/linux/context_tracking.h | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
> index 64ec82851aa3..8150f5ac176c 100644
> --- a/include/linux/context_tracking.h
> +++ b/include/linux/context_tracking.h
> @@ -154,15 +154,6 @@ static inline void guest_exit_irqoff(void)
>  }
>  #endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */
>  
> -static inline void guest_enter(void)
> -{
> -	unsigned long flags;
> -
> -	local_irq_save(flags);
> -	guest_enter_irqoff();
> -	local_irq_restore(flags);
> -}
> -
>  static inline void guest_exit(void)
>  {
>  	unsigned long flags;
> 

Queued, thanks.

Paolo