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From: Mauricio Faria de Oliveira <mfo@igalia.com>
To: Borislav Petkov <bp@alien8.de>
Cc: 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 5/5] x86/pvh: fix unbootable VMs by really inlining memset() in xen_prepare_pvh()
Date: Tue, 15 Sep 2026 20:55:40 -0300	[thread overview]
Message-ID: <78399f2346182d7de96343c9ede3da6c@igalia.com> (raw)
In-Reply-To: <20260915052646.GIaqjXFkXBkWfvt3tP@fat_crate.local>

On 2026-09-15 02:26, Borislav Petkov wrote:
> On Mon, Sep 14, 2026 at 08:40:38AM -0300, Mauricio Faria de Oliveira wrote:
>> Due to scope and review purposes (4/5 is more generic, 5/5 is specific
>> to PVH). If there's a strong preference to combine these, please just
>> let me know.
> 
> But they sound like they're fixing the same thing:
> 
> "vmlinux no longer boots with CONFIG_PVH if CONFIG_KASAN_GENERIC is set."
> 
> and this one's commit message:
> 
> "This particular one (still) generated the inline implementation as expected
> (at least in these compiler versions)"
> 
> sounds like it is referring to the previous patch. Or I don't know what you
> mean with "these compiler versions"?
> 
> Bottom line: if someone needs to apply both to fix unbootable PVH VMs due to
> mis-inlining of the compiler, then someone can simply apply one and be done
> with it.
> 
> Thx.

Sure, I'll combine these.

Thanks,

-- 
Mauricio

      reply	other threads:[~2026-09-15 23:56 UTC|newest]

Thread overview: 45+ 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
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
2026-09-11  4:38   ` Borislav Petkov
2026-09-14 11:22     ` Mauricio Faria de Oliveira
2026-09-15  5:11       ` Borislav Petkov
2026-09-15  8:43         ` David Laight
2026-09-15 15:48         ` Borislav Petkov
2026-09-15 23:49           ` Mauricio Faria de Oliveira
2026-09-16  0:04             ` Borislav Petkov
2026-09-16  0:52               ` 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
2026-09-11  4:39   ` Borislav Petkov
2026-09-14 11:40     ` Mauricio Faria de Oliveira
2026-09-15  5:26       ` Borislav Petkov
2026-09-15 23:55         ` Mauricio Faria de Oliveira [this message]

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