Re: powerpc/perf: Fix usage of nest_imc_refc
From: Michael Ellerman <hidden>
Date: 2017-08-18 12:51:05
On Wed, 2017-08-16 at 16:21:34 UTC, Madhavan Srinivasan wrote:
nest_imc_refc is a reference count struct,
used to track number of active perf sessions
using the nest units.
It is preferred to access nest_imc_refc using
per-cpu pointer 'local_nest_imc_refc'. Since,
nest_imc_refc is not initialized using node_id
as array index. Patch to fix the same.
Fixes: 885dcd709ba91 ('powerpc/perf: Add nest IMC PMU support')
Reported-by: Dan Carpenter <redacted>
Signed-off-by: Madhavan Srinivasan <redacted>Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/711bd207a233141308d0aea0d2e286 cheers