]> git.baikalelectronics.ru Git - kernel.git/commit
powerpc/perf: Fix perf_get_data_addr() for power9 DD1
authorMadhavan Srinivasan <maddy@linux.vnet.ibm.com>
Mon, 20 Feb 2017 13:56:30 +0000 (19:26 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 9 Mar 2017 02:34:53 +0000 (13:34 +1100)
commitf02cff5debc85ac507d7e905d95dbf47ab083cfc
treeded6eb071c262b612ce6b699170fd428756c11ef
parentadb14df4225ee443c6e8a9e321d7f87bac8b5080
powerpc/perf: Fix perf_get_data_addr() for power9 DD1

Power9 DD1 do not support PMU_HAS_SIER flag and sdsync in
perf_get_data_addr() defaults to MMCRA_SDSYNC which is wrong. Since
power9 MMCRA does not support SDSYNC bit, patch includes PPMU_NO_SIAR
flag to the check and set the sdsync with MMCRA_SAMPLE_ENABLE;

Fixes: a413a1a20824 ("powerpc/perf: Use MSR to report privilege level on P9 DD1")
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/perf/core-book3s.c