From: "Chang S. Bae" <chang.seok.bae@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
<linux-kernel@vger.kernel.org>, <x86@kernel.org>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>, <mingo@redhat.com>
Cc: <yang.zhong@intel.com>, <ravi.v.shankar@intel.com>,
<linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH v4 2/2] selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test
Date: Wed, 23 Mar 2022 14:27:56 -0700 [thread overview]
Message-ID: <05bbea3e-93d7-2e74-61ea-7756eeead09d@intel.com> (raw)
In-Reply-To: <8735j8aa9g.ffs@tglx>
On 3/23/2022 9:44 AM, Thomas Gleixner wrote:
>
> Running it on a machine which does not have AMX results in:
>
> amx_64: [FAIL] xstate cpuid: invalid tile data size/offset: 0/0: Success
>
> It's not a failure, really. Selftests are supposed to run on all
> machines and the proper thing to do if a hardware feature is not
> available is to SKIP the test and return 0.
Ah, right. The test should be just *skipped* on non-AMX or even
non-XSAVE systems.
Will follow up with a separate patch.
Thanks,
Chang
next prev parent reply other threads:[~2022-03-23 21:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-29 17:36 [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test Chang S. Bae
2022-01-29 17:36 ` [PATCH v4 1/2] x86/arch_prctl: Fix the ARCH_REQ_XCOMP_PERM implementation Chang S. Bae
2022-03-07 12:20 ` Hao Xiang
2022-03-07 18:53 ` Chang S. Bae
2022-03-08 8:36 ` Hao Xiang
2022-03-23 23:31 ` [tip: x86/urgent] x86/fpu/xstate: " tip-bot2 for Yang Zhong
2022-01-29 17:36 ` [PATCH v4 2/2] selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test Chang S. Bae
2022-03-23 16:44 ` Thomas Gleixner
2022-03-23 21:27 ` Chang S. Bae [this message]
2022-03-23 23:31 ` [tip: x86/urgent] " tip-bot2 for Chang S. Bae
2022-03-23 11:04 ` ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test Paolo Bonzini
2022-03-23 12:27 ` Thomas Gleixner
2022-03-23 12:55 ` Thomas Gleixner
2022-03-23 14:24 ` Paolo Bonzini
2022-03-23 17:07 ` Thomas Gleixner
2022-03-23 17:20 ` Thomas Gleixner
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