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Since GICv4.1, it has become legal for an implementation to advertise GICR_{INVLPIR,INVALLR,SYNCR} while having an ITS, allowing for a more efficient invalidation scheme (no guest command queue contention when multiple CPUs are generating invalidations). Provide the invalidation registers as a primitive to their ITS counterpart. Note that we don't advertise them to the guest yet (the architecture allows an implementation to do this). Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Oliver Upton <oupton@google.com> Link: https://lore.kernel.org/r/20220405182327.205520-4-maz@kernel.org |
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boot | ||
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crypto | ||
hyperv | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
tools | ||
xen | ||
Kbuild | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.platforms | ||
Makefile |