linux-kernel - Re: [PATCH] crypto: x86/aes-ni: fix AVX detection

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Message-ID: <2e3286b4-a13b-1be0-2b6a-902eec54e960@intel.com>
Date:   Wed, 8 Jun 2022 07:00:35 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Maxim Levitsky <mlevitsk@...hat.com>, linux-kernel@...r.kernel.org
Cc:     "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "open list:CRYPTO API" <linux-crypto@...r.kernel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Borislav Petkov <bp@...en8.de>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Ingo Molnar <mingo@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        "H. Peter Anvin" <hpa@...or.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>
Subject: Re: [PATCH] crypto: x86/aes-ni: fix AVX detection

On 6/8/22 04:29, Maxim Levitsky wrote:
> filter_cpuid_features can be extended to filter known bogus CPUID depedencies,
> like case when AVX2 supported and AVX not supported in CPUID.
> If you agree, then it seems the best case to deal with this issue.

Yes, it should have been doing this all along.   Patches to fix that
would be very welcome.