From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2] powerpc/perf: Disable trace_imc pmu
Date: Mon, 9 Dec 2019 16:45:08 +1100 (AEDT) [thread overview]
Message-ID: <47WXGD2ddxz9sPh@ozlabs.org> (raw)
In-Reply-To: <20191118034452.9939-1-maddy@linux.vnet.ibm.com>
On Mon, 2019-11-18 at 03:44:52 UTC, Madhavan Srinivasan wrote:
> When a root user or a user with CAP_SYS_ADMIN
> privilege use trace_imc performance monitoring
> unit events, to monitor application or KVM threads,
> may result in a checkstop (System crash). Reason
> being frequent switch of the "trace/accumulation"
> mode of In-Memory Collection hardware.
> This patch disables trace_imc pmu unit, but will
> be re-enabled at a later stage with a fix patchset.
>
> Fixes: 012ae244845f1 ('powerpc/perf: Trace imc PMU functions')
> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/249fad734a25889a4f23ed014d43634af6798063
cheers
prev parent reply other threads:[~2019-12-09 5:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-18 3:44 [PATCH v2] powerpc/perf: Disable trace_imc pmu Madhavan Srinivasan
2019-11-22 8:03 ` Hariharan T S
2019-12-09 5:45 ` Michael Ellerman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=47WXGD2ddxz9sPh@ozlabs.org \
--to=patch-notifications@ellerman.id.au \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=maddy@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.