From: Michael Ellerman <mpe@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Subject: Re: [PATCH] powerpc/perf: Fix disabling BHRB and instruction sampling
Date: Fri, 27 Oct 2023 20:59:56 +1100 [thread overview]
Message-ID: <169840079669.2701453.1951279893357175821.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20231018153423.298373-1-npiggin@gmail.com>
On Thu, 19 Oct 2023 01:34:23 +1000, Nicholas Piggin wrote:
> When the PMU is disabled, MMCRA is not updated to disable BHRB and
> instruction sampling. This can lead to those features remaining enabled,
> which can slow down a real or emulated CPU.
>
>
Applied to powerpc/next.
[1/1] powerpc/perf: Fix disabling BHRB and instruction sampling
https://git.kernel.org/powerpc/c/ea142e590aec55ba40c5affb4d49e68c713c63dc
cheers
prev parent reply other threads:[~2023-10-27 10:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-18 15:34 [PATCH] powerpc/perf: Fix disabling BHRB and instruction sampling Nicholas Piggin
2023-10-27 9:59 ` Michael Ellerman [this message]
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