linux-kernel - Re: [PATCH v2 05/11] x86/cpu: Clean up SRSO return thunk mess

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Message-ID: <20230816145232.GA1535486@dev-arch.thelio-3990X>
Date:   Wed, 16 Aug 2023 07:52:32 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org, David.Kaplan@....com,
        Andrew.Cooper3@...rix.com, jpoimboe@...nel.org,
        gregkh@...uxfoundation.org, nik.borisov@...e.com
Subject: Re: [PATCH v2 05/11] x86/cpu: Clean up SRSO return thunk mess

On Wed, Aug 16, 2023 at 09:38:28AM +0200, Borislav Petkov wrote:
> On Wed, Aug 16, 2023 at 12:43:48AM +0200, Peter Zijlstra wrote:
> > Yeah, Boris and me fixed that yesterday evening or so. I'm not sure
> > I still have the diffs, but Boris should have them all somewhere.
> 
> Even better - all the urgent fixes I've accumulated so far are coming up
> in tip's x86/urgent.  I'd appreciate people testing it.

All my configurations build and run cleanly in QEMU at commit
d80c3c9de067 ("x86/srso: Explain the untraining sequences a bit more")
so I think we should be good here.

Cheers,
Nathan