linux-kernel - Re: [PATCH -tip] x86/asm: Replace "REP; NOP" with PAUSE mnemonic

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Message-ID: <38b92d8f-8793-4d0c-b3eb-658f5437a567@suse.com>
Date: Mon, 14 Apr 2025 18:20:03 +0300
From: Nikolay Borisov <nik.borisov@...e.com>
To: Uros Bizjak <ubizjak@...il.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH -tip] x86/asm: Replace "REP; NOP" with PAUSE mnemonic

On 14.04.25 г. 17:50 ч., Uros Bizjak wrote:
> Current minimum required version of binutils is 2.25,
> which supports PAUSE instruction mnemonic.
> 
> Replace "REP; NOP" with this proper mnemonic.
> 
> No functional change intended.
> 
> Signed-off-by: Uros Bizjak <ubizjak@...il.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>

Reviewed-by: Nikolay Borisov <nik.borisov@...e.com>