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author | Christoffer Dall <christoffer.dall@arm.com> | 2023-02-09 20:58:13 +0300 |
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committer | Oliver Upton <oliver.upton@linux.dev> | 2023-02-11 12:16:11 +0300 |
commit | 6898a55ce38c13e47a0647380504d309e9b0f631 (patch) | |
tree | eb99e828dfce9ce83137ab8a7d448e68792c5c0a /tools/perf/scripts/python/stackcollapse.py | |
parent | 93c33702cd2beb0cb49a857afdbf231c92eb9df5 (diff) | |
download | linux-6898a55ce38c13e47a0647380504d309e9b0f631.tar.xz |
KVM: arm64: nv: Handle trapped ERET from virtual EL2
When a guest hypervisor running virtual EL2 in EL1 executes an ERET
instruction, we will have set HCR_EL2.NV which traps ERET to EL2, so
that we can emulate the exception return in software.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230209175820.1939006-12-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions