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| author | Marc Zyngier <maz@kernel.org> | 2026-07-30 08:10:02 +0100 |
|---|---|---|
| committer | Oliver Upton <oupton@kernel.org> | 2026-07-31 00:17:03 -0700 |
| commit | 649ba043262cd710eccbdaf138d0aa30b07c5a58 (patch) | |
| tree | f93636c3a8ea0434b0fa4c4a06db43d0b30d8aea /tools/perf/scripts/python/stackcollapse.py | |
| parent | 0dbb49dcdbbe9ea1546a80548b95e5199328b181 (diff) | |
KVM: arm64: Relax CPTR_EL2 handling when FEAT_NV2p1 is present
With FEAT_NV2P1, it is no longer necessary to trap CPTR_EL2 accesses
via CPACR_EL1, as CPACR_EL1.TCPAC is guaranteed to be stateful.
Prevent such trapping and context switch CPACTR_EL1 in NV contexts
when NV2P1 is present.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Reviewed-by: Yuan Yao <yaoyuan@linux.alibaba.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://patch.msgid.link/20260730071022.296811-10-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions