linux-kernel - Re: [PATCH 2/2] x86/entry: Inline enter_from_user

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Message-ID: <1464792873.16365.105.camel@redhat.com>
Date:	Wed, 01 Jun 2016 10:54:33 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org
Cc:	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Ingo Molnar <mingo@...nel.org.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 2/2] x86/entry: Inline enter_from_user_mode

On Mon, 2016-05-30 at 14:30 +0200, Paolo Bonzini wrote:
> This matches what is already done for prepare_exit_to_usermode,
> and saves about 60 clock cycles (4% speedup) with the benchmark
> in the previous commit message.
> 
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Rik van Riel <riel@...hat.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Ingo Molnar <mingo@...nel.org.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> 
Reviewed-by: Rik van Riel <riel@...hat.com>

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