| Message ID | 1487598990-28592-1-git-send-email-maddy@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Mon, 2017-02-20 at 13:56:30 UTC, Madhavan Srinivasan wrote: > 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; > > Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/f04d108029063a8a67528a88449c41 cheers
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 270eb9b74e2e..e9e6dfff032f 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -183,6 +183,8 @@ static inline void perf_get_data_addr(struct pt_regs *regs, u64 *addrp) sdsync = POWER7P_MMCRA_SDAR_VALID; else if (ppmu->flags & PPMU_ALT_SIPR) sdsync = POWER6_MMCRA_SDSYNC; + else if (ppmu->flags & PPMU_NO_SIAR) + sdsync = MMCRA_SAMPLE_ENABLE; else sdsync = MMCRA_SDSYNC;
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; Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- arch/powerpc/perf/core-book3s.c | 2 ++ 1 file changed, 2 insertions(+)