diff options
| author | Athira Rajeev <atrajeev@linux.vnet.ibm.com> | 2020-10-21 14:23:27 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-11-19 16:56:56 +1100 |
| commit | d9f7088dd6d8859f385565ca8acd2681e1f700f9 (patch) | |
| tree | 76ad4028a093b758d88b79748d5487188df1fac5 /include/linux/memory_hotplug.h | |
| parent | fdf13a657508a12cd21a4d7b988cb260cb8fbd38 (diff) | |
| download | cachepc-linux-d9f7088dd6d8859f385565ca8acd2681e1f700f9.tar.gz cachepc-linux-d9f7088dd6d8859f385565ca8acd2681e1f700f9.zip | |
powerpc/perf: Use the address from SIAR register to set cpumode flags
While setting the processor mode for any sample, perf_get_misc_flags()
expects the privilege level to differentiate the userspace and kernel
address. On power10 DD1, there is an issue that causes MSR_HV MSR_PR
bits of Sampled Instruction Event Register (SIER) not to be set for
marked events. Hence add a check to use the address in SIAR (Sampled
Instruction Address Register) to identify the privilege level.
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201021085329.384535-3-maddy@linux.ibm.com
Diffstat (limited to 'include/linux/memory_hotplug.h')
0 files changed, 0 insertions, 0 deletions