From: Rik van Riel <riel@surriel.com>
To: Xin Li <xin@zytor.com>, Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH] x86,cpu: add X86_FEATURE_INVLPGB flag
Date: Wed, 25 Sep 2024 10:05:39 -0400 [thread overview]
Message-ID: <05edf115007ae9d6169b55d437dff99abcad0939.camel@surriel.com> (raw)
In-Reply-To: <70ec8bc4-5a7f-4283-892e-e8c3543a0ad2@zytor.com>
On Tue, 2024-09-24 at 20:33 -0700, Xin Li wrote:
> On 9/24/2024 3:00 PM, Rik van Riel 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
> >
> > Signed-off-by: Rik van Riel <riel@surriel.com>
>
> Now there is a need to also update the CPUID database:
>
> https://lore.kernel.org/lkml/87o7642u7w.ffs@tglx/
The invlpgb flag is already in the CPUID database:
https://gitlab.com/x86-cpuid.org/x86-cpuid-db/-/blob/tip/db/xml/leaf_80000008.xml#L53
--
All Rights Reversed.
next prev parent reply other threads:[~2024-09-25 14:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-24 22:00 Rik van Riel
2024-09-25 3:33 ` Xin Li
2024-09-25 14:05 ` Rik van Riel [this message]
2024-09-25 7:45 ` Borislav Petkov
2024-09-25 16:46 ` Rik van Riel
2024-09-26 8:10 ` Borislav Petkov
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