From: Borislav Petkov <bp@alien8.de>
To: Stephane Eranian <eranian@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>, X86 ML <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf/x86/amd: Run AMD BRS code only on supported hw
Date: Tue, 17 May 2022 10:46:43 +0200 [thread overview]
Message-ID: <YoNg858+JkwAZvQw@zn.tnic> (raw)
In-Reply-To: <CABPqkBSL8BLN-mWXNJX9YYCn26kK1J-nz2B_vFjbxLPw+P1uHQ@mail.gmail.com>
On Mon, May 16, 2022 at 05:59:27PM -0700, Stephane Eranian wrote:
> Thanks for catching this. I tested on Zen2 (Fam17h) and it did not
> trigger the problem
That's because Zen2 has this MSR - 0xc000010f - so the write succeeds.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-05-17 8:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-16 15:48 Borislav Petkov
2022-05-17 0:59 ` Stephane Eranian
2022-05-17 8:46 ` Borislav Petkov [this message]
2022-05-17 22:14 ` [tip: perf/core] " tip-bot2 for Borislav Petkov
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