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From: Zhao Liu <zhao1.liu@intel.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Eduardo Habkost <eduardo@habkost.net>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Tao Su <tao1.su@linux.intel.com>,
	Xiaoyao Li <xiaoyao.li@intel.com>,
	Pankaj Gupta <pankaj.gupta@amd.com>,
	Zide Chen <zide.chen@intel.com>,
	qemu-devel@nongnu.org, kvm@vger.kernel.org,
	qemu-stable@nongnu.org
Subject: Re: [PATCH v5 01/11 for v9.2?] i386/cpu: Mark avx10_version filtered when prefix is NULL
Date: Tue, 13 May 2025 11:39:10 +0800	[thread overview]
Message-ID: <aCK+3m7jv+qPWYZ4@intel.com> (raw)
In-Reply-To: <baafd30e-db22-4950-ad44-2b2b51cc8f6c@tls.msk.ru>

On Mon, May 12, 2025 at 12:35:35PM +0300, Michael Tokarev wrote:
> Date: Mon, 12 May 2025 12:35:35 +0300
> From: Michael Tokarev <mjt@tls.msk.ru>
> Subject: Re: [PATCH v5 01/11 for v9.2?] i386/cpu: Mark avx10_version
>  filtered when prefix is NULL
> 
> On 21.12.2024 00:04, Michael Tokarev wrote:
> > 06.11.2024 06:07, Zhao Liu wrote:
> > > In x86_cpu_filter_features(), if host doesn't support AVX10, the
> > > configured avx10_version should be marked as filtered regardless of
> > > whether prefix is NULL or not.
> > > 
> > > Check prefix before warn_report() instead of checking for
> > > have_filtered_features.
> > > 
> > > Cc: qemu-stable@nongnu.org
> > > Fixes: commit bccfb846fd52 ("target/i386: add AVX10 feature and
> > > AVX10 version property")
> > > Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
> > 
> > Hi!
> > 
> > Has this patch been forgotten?  9.2 is out already and I'm collecting
> > fixes for it...
> 
> Ping #2?  It's a 10.0.1 time already.. :)
>

Hi Michael,

I'm sorry, but now I think it is not necessary, since it doesn't
affect the normal use of avx10. And I don't think anyone is actively
setting the wrong avx10 version in a normal production environment (
even KVM only supports v1).

Hope this helps and saves you the effort!

Thanks,
Zhao


  reply	other threads:[~2025-05-13  3:18 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-06  3:07 [PATCH v5 00/11] i386: miscellaneous cleanup Zhao Liu
2024-11-06  3:07 ` [PATCH v5 01/11 for v9.2?] i386/cpu: Mark avx10_version filtered when prefix is NULL Zhao Liu
2024-11-06 12:22   ` Tao Su
2024-12-20 21:04   ` Michael Tokarev
2025-05-12  9:35     ` Michael Tokarev
2025-05-13  3:39       ` Zhao Liu [this message]
2024-11-06  3:07 ` [PATCH v5 02/11] target/i386/kvm: Add feature bit definitions for KVM CPUID Zhao Liu
2024-11-06  3:07 ` [PATCH v5 03/11] target/i386/kvm: Remove local MSR_KVM_WALL_CLOCK and MSR_KVM_SYSTEM_TIME definitions Zhao Liu
2024-11-06  3:07 ` [PATCH v5 04/11] target/i386/kvm: Only save/load kvmclock MSRs when kvmclock enabled Zhao Liu
2024-12-24 15:31   ` Paolo Bonzini
2024-12-25  3:48     ` Zhao Liu
2024-11-06  3:07 ` [PATCH v5 05/11] target/i386/kvm: Save/load MSRs of kvmclock2 (KVM_FEATURE_CLOCKSOURCE2) Zhao Liu
2024-12-24 15:32   ` Paolo Bonzini
2024-12-25  3:49     ` Zhao Liu
2024-11-06  3:07 ` [PATCH v5 06/11] target/i386/kvm: Drop workaround for KVM_X86_DISABLE_EXITS_HTL typo Zhao Liu
2024-11-06  3:07 ` [PATCH v5 07/11] target/i386/confidential-guest: Fix comment of x86_confidential_guest_kvm_type() Zhao Liu
2024-11-06  3:07 ` [PATCH v5 08/11] target/i386/kvm: Clean up return values of MSR filter related functions Zhao Liu
2024-11-06  3:07 ` [PATCH v5 09/11] target/i386/kvm: Return -1 when kvm_msr_energy_thread_init() fails Zhao Liu
2024-11-06  3:07 ` [PATCH v5 10/11] target/i386/kvm: Clean up error handling in kvm_arch_init() Zhao Liu
2024-12-24 15:53   ` Paolo Bonzini
2024-12-25  3:14     ` Zhao Liu
2024-11-06  3:07 ` [PATCH v5 11/11] target/i386/kvm: Replace ARRAY_SIZE(msr_handlers) with KVM_MSR_FILTER_MAX_RANGES Zhao Liu
2024-12-24 15:54   ` Paolo Bonzini
2024-12-25  3:16     ` Zhao Liu
2024-12-24 16:01 ` [PATCH v5 00/11] i386: miscellaneous cleanup Paolo Bonzini

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