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| author | Andrew Murray <andrew.murray@arm.com> | 2019-04-09 21:22:17 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-04-24 16:46:26 +0200 |
| commit | a9bf3130ebfe0378df449a1b13997c47a58e661a (patch) | |
| tree | 4fb87b3993757a3c4200e3f6aea6a67d578970bf /arch/arm64 | |
| parent | arm64: KVM: Avoid isb's by using direct pmxevtyper sysreg (diff) | |
| download | linux-a9bf3130ebfe0378df449a1b13997c47a58e661a.tar.xz linux-a9bf3130ebfe0378df449a1b13997c47a58e661a.zip | |
arm64: docs: Document perf event attributes
The interaction between the exclude_{host,guest} flags,
exclude_{user,kernel,hv} flags and presence of VHE can result in
different exception levels being filtered by the ARMv8 PMU. As this
can be confusing let's document how they work on arm64.
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64')
0 files changed, 0 insertions, 0 deletions