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KVM: arm64: Clarify rationale for ZCR_EL1 value restored on guest exit
authorFuad Tabba <tabba@google.com>
Tue, 23 Apr 2024 15:05:28 +0000 (16:05 +0100)
committerMarc Zyngier <maz@kernel.org>
Wed, 1 May 2024 15:48:14 +0000 (16:48 +0100)
commiteef4ce6363626cbaabceef64d0bda84c3df922ac
tree7f868edc1ae039df25f29d0fe54b5f6bac9aff88tree | snapshot
parentb6ed4fa9411f7c17ebc69949c1df66dc12b2f827commit | diff
KVM: arm64: Clarify rationale for ZCR_EL1 value restored on guest exit

Expand comment clarifying why the host value representing SVE
vector length being restored for ZCR_EL1 on guest exit isn't the
same as it was on guest entry.

Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240423150538.2103045-21-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
arch/arm64/kvm/fpsimd.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git