linux-kernel - Re: [PATCH v10 1/2] x86/mm: Don't disable PCID if "incomplete Global INVLPG flushes" is fixed by microcode

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Message-ID: <20240626171541.eeisf66vhuyspv4j@desk>
Date: Wed, 26 Jun 2024 10:15:41 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: Xi Ruoyao <xry111@...111.site>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Michael Kelley <mhklinux@...look.com>,
	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Sean Christopherson <seanjc@...gle.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>
Subject: Re: [PATCH v10 1/2] x86/mm: Don't disable PCID if "incomplete Global
 INVLPG flushes" is fixed by microcode

On Wed, Jun 26, 2024 at 09:50:39AM -0700, Dave Hansen wrote:
> On 6/26/24 06:10, Xi Ruoyao wrote:
> > Ping.
> > 
> > Ok to queue these two into some branch for integration?
> 
> Please don't top post, and please trim your replies.
> 
> The code looks fine, but this has zero acks and I can't find any public
> documentation of which microcode versions fix the errata.

Based on an internal document, I provided the microcode versions used in
this patch.

Acked-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>