From: Mauricio Faria de Oliveira <mfo@igalia.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Michael Matz <matz@suse.de>, Richard Biener <rguenther@suse.de>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Juergen Gross <jgross@suse.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Jan Beulich <jbeulich@suse.com>, Brian Gerst <brgerst@gmail.com>,
kernel-dev@igalia.com, linux-kernel@vger.kernel.org,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v9 1/5] x86/boot: Remove "cc" clobber from memcmp()
Date: Wed, 02 Sep 2026 21:07:07 -0300 [thread overview]
Message-ID: <c9dd5e5de8484285b71ae62b98610911@igalia.com> (raw)
In-Reply-To: <20260903000132.GGapi43JjGh-8sj65Q@fat_crate.local>
On 2026-09-02 21:01, Borislav Petkov wrote:
> On Wed, Sep 02, 2026 at 10:48:14AM -0300, Mauricio Faria de Oliveira wrote:
>> Boris, I guess this may be added as clarification in the commit message.
>> Would you prefer another version with it?
>
> Yeah, I'd actually prefer it in the code itself so that we can find it easier.
> This file is as good as any.
>
> Something like this:
>
> /*
> * Summarized explanation that "cc" clobbers don't have a meaning
> *
> */
>
> and leave the "cc" clobber there but commented out:
>
> /* "cc" ... */
>
> so that we can grep for it easier later.
>
> Thanks!
Sure, will do in the next version.
The rest of this series is OK to you?
I can wait for further feedback and combine it with this change.
Thanks!
--
Mauricio
next prev parent reply other threads:[~2026-09-03 0:07 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-22 18:33 [PATCH v9 0/5] x86/pvh: fix unbootable VMs again (PVH + KASAN) Mauricio Faria de Oliveira
2026-08-22 18:33 ` [PATCH v9 1/5] x86/boot: Remove "cc" clobber from memcmp() Mauricio Faria de Oliveira
2026-09-01 13:16 ` Jan Beulich
2026-09-02 8:33 ` David Laight
2026-09-02 14:18 ` H. Peter Anvin
2026-09-02 2:31 ` Borislav Petkov
2026-09-02 13:29 ` Michael Matz
2026-09-02 13:48 ` Mauricio Faria de Oliveira
2026-09-03 0:01 ` Borislav Petkov
2026-09-03 0:07 ` Mauricio Faria de Oliveira [this message]
2026-09-03 0:39 ` Borislav Petkov
2026-09-03 8:40 ` David Laight
2026-09-02 23:58 ` Borislav Petkov
2026-08-22 18:33 ` [PATCH v9 2/5] x86/asm, x86/boot: expose inline memcmp() Mauricio Faria de Oliveira
2026-09-06 17:01 ` Borislav Petkov
2026-09-06 18:15 ` H. Peter Anvin
2026-09-08 18:04 ` Mauricio Faria de Oliveira
2026-09-08 19:32 ` Borislav Petkov
2026-09-08 21:06 ` Mauricio Faria de Oliveira
2026-09-10 3:38 ` Borislav Petkov
2026-09-10 13:07 ` Mauricio Faria de Oliveira
2026-09-10 14:03 ` H. Peter Anvin
2026-09-08 23:16 ` H. Peter Anvin
2026-09-09 8:38 ` David Laight
2026-09-09 13:43 ` H. Peter Anvin
2026-09-09 19:28 ` David Laight
2026-09-09 19:33 ` H. Peter Anvin
2026-09-09 21:39 ` David Laight
2026-09-09 23:12 ` H. Peter Anvin
2026-09-08 17:57 ` Mauricio Faria de Oliveira
2026-08-22 18:33 ` [PATCH v9 3/5] x86/asm: group inline string functions Mauricio Faria de Oliveira
2026-08-22 18:33 ` [PATCH v9 4/5] x86/cpuid: fix unbootable VMs by really inlining memcmp() in hypervisor_cpuid_base() Mauricio Faria de Oliveira
2026-08-22 18:33 ` [PATCH v9 5/5] x86/pvh: fix unbootable VMs by really inlining memset() in xen_prepare_pvh() Mauricio Faria de Oliveira
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