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From: Paolo Bonzini <pbonzini@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Thomas Gleixner <tglx@glx-um.de>,
	Thorsten Leemhuis <regressions@leemhuis.info>,
	Alexey Makhalov <alexey.makhalov@broadcom.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	Ajay Kaher <ajay.kaher@broadcom.com>,
	bcm-kernel-feedback-list@broadcom.com,
	Peter Zijlstra <peterz@infradead.org>,
	Justin Forbes <jforbes@fedoraproject.org>,
	Linux kernel regressions list <regressions@lists.linux.dev>
Subject: Re: [PATCH] x86/vmware: Fix hypercall clobbers
Date: Thu, 12 Feb 2026 15:54:03 +0100	[thread overview]
Message-ID: <726849ec-2b54-40a6-8b3a-ed88350c3779@redhat.com> (raw)
In-Reply-To: <CAHk-=wjEwfcj6DWWh8mKr+O4ospkfNSC1GAvAcwfWAUAyTRq5A@mail.gmail.com>

On 2/7/26 00:08, Linus Torvalds wrote:
> On Fri, 6 Feb 2026 at 14:38, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
>>
>> I'm going to change that commit message to make it clear that it's a
>> QEMU bug, plain and simple. There's no point in claiming this fixes a
>> kernel bug when it's a pure workaround for a bug elsewhere.
> 
> I have created an issue at gitlab:
> 
>     https://gitlab.com/qemu-project/qemu/-/issues/3293
> 
> and hopefully this will get fixed in QEMU at some point.
> 
> Adding Paolo to the participants, since he presumably knows what to do
> with qemu, since he touched that qemu file a couple of months ago.

Thanks, I have queued the patch; I will send a pull request next week 
and also submit an update to Fedora earlier than that.

Sorry about the delay, I was a bit busy with something called the "merge 
window"... you might have heard of it. :)

Paolo

> (The fix looks trivial, as suggested by Alexey: just change the
> "uint32_t data[6];" to use target_ulong instead of uint32_t, but
> somebody needs to test it and maybe qemu has other rules for register
> types)
> 
>                Linus
> 


  parent reply	other threads:[~2026-02-12 14:54 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-22  3:18 Josh Poimboeuf
2026-01-22 10:00 ` Alexey Makhalov
2026-01-22 17:40   ` Josh Poimboeuf
2026-01-23  9:47   ` Thorsten Leemhuis
2026-01-23 17:35     ` Josh Poimboeuf
2026-01-30 16:24       ` Thorsten Leemhuis
2026-01-30 16:46         ` Josh Poimboeuf
2026-02-06 10:07           ` Thomas Gleixner
2026-02-06 16:32             ` Josh Poimboeuf
2026-02-06 17:19               ` Linus Torvalds
2026-02-06 19:08                 ` Josh Poimboeuf
2026-02-06 19:57                   ` Linus Torvalds
2026-02-06 22:24                     ` Josh Poimboeuf
2026-02-06 22:38                       ` Linus Torvalds
2026-02-06 23:08                         ` Linus Torvalds
2026-02-07  0:46                           ` Josh Poimboeuf
2026-02-07  1:05                             ` Linus Torvalds
2026-02-12 14:54                           ` Paolo Bonzini [this message]
2026-02-06 22:41                 ` Alexey Makhalov
2026-01-24  1:01     ` Alexey Makhalov
2026-01-24  6:27       ` Thorsten Leemhuis

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