linux-kernel - Re: [PATCH] x86,cpu: add X86_FEATURE

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Message-ID: <24A7815F-E21F-45D3-9784-109B5932B41C@alien8.de>
Date: Wed, 25 Sep 2024 08:45:21 +0100
From: Borislav Petkov <bp@...en8.de>
To: Rik van Riel <riel@...riel.com>, Thomas Gleixner <tglx@...utronix.de>
CC: Ingo Molnar <mingo@...hat.com>, Dave Hansen <dave.hansen@...ux.intel.com>,
 x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
 linux-kernel@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH] x86,cpu: add X86_FEATURE_INVLPGB flag

On September 24, 2024 11:00:13 PM GMT+01:00, Rik van Riel <riel@...riel.com> wrote:
>Add the definition for the X86_FEATURE_INVLPGB CPUID flag.
>
>Tested by booting a kernel with this change on an AMD Milan system,
>and making sure the "invlpgb" flag shows up in /proc/cpuinfo

Why?

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