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KVM: arm64: Make PIR{,E0}_EL1 UNDEF if S1PIE is not advertised to the guest
authorMarc Zyngier <maz@kernel.org>
Wed, 14 Feb 2024 13:18:23 +0000 (13:18 +0000)
committerOliver Upton <oliver.upton@linux.dev>
Mon, 19 Feb 2024 17:13:01 +0000 (17:13 +0000)
commit58627b722ee2e6cfd0b6ebe27d056f7c23acc99d
tree0012c026b2a63f9883eb0b4943e3f5e0a991249ctree | snapshot
parent8ecdccb9e5dbbddfe5eb2d4201c1b921461b1bd4commit | diff
KVM: arm64: Make PIR{,E0}_EL1 UNDEF if S1PIE is not advertised to the guest

As part of the ongoing effort to honor the guest configuration,
add the necessary checks to make PIR_EL1 and co UNDEF if not
advertised to the guest, and avoid context switching them.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20240214131827.2856277-23-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h diff | blob | history
arch/arm64/kvm/sys_regs.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git