linux-kernel - Re: A question about prefetchw detection in "x86/asm: Cleanup prefetch primitives"

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Message-ID: <a155ebb791d3aefce5db32658e3c519a1cfac1f6.camel@xry111.site>
Date:   Wed, 21 Jun 2023 19:18:24 +0800
From:   Xi Ruoyao <xry111@...111.site>
To:     Borislav Petkov <bp@...en8.de>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: A question about prefetchw detection in "x86/asm: Cleanup
 prefetch primitives"

On Wed, 2023-06-21 at 13:13 +0200, Borislav Petkov wrote:
> On Wed, Jun 21, 2023 at 06:57:40PM +0800, Xi Ruoyao wrote:
> > I intend to implement the same logic for Glibc.  I can understand "3DNow
> > implies PREFETCHW", but is there a bibliographical reference about "LM
> > implies PREFETCHW" so I can convince the Glibc maintainers for the
> > change?
> 
> https://www.amd.com/system/files/TechDocs/24594.pdf

Thanks very much!


-- 
Xi Ruoyao <xry111@...111.site>
School of Aerospace Science and Technology, Xidian University