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Marc Zyngier 338f8ea519 KVM: arm64: nv: Accelerate EL0 timer read accesses when FEAT_ECV in use

Although FEAT_ECV allows us to correctly emulate the timers, it also
reduces performances pretty badly.

Mitigate this by emulating the CTL/CVAL register reads in the
inner run loop, without returning to the general kernel.

Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241217142321.763801-6-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

2025-01-02 19:19:09 +00:00

acpi

Merge tag 'mailbox-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

2024-11-25 17:31:39 -08:00

asm-generic

Merge tag 'timers_urgent_for_v6.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-12-01 12:41:21 -08:00

clocksource

KVM: arm64: nv: Use FEAT_ECV to trap access to EL0 timers

2025-01-02 19:19:09 +00:00

crypto

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