KVM: arm64: selftests: Add basic support to generate delays

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Add udelay() support to generate a delay in the guest.

The routines are derived and simplified from kernel's
arch/arm64/lib/delay.c.

Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211007233439.1826892-8-rananta@google.com

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Raghavendra Rao Ananta 2021-10-07 23:34:31 +00:00 • committed by Marc Zyngier

parent d977ed3994

commit 8016690465

1 changed files with 25 additions and 0 deletions

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tools/testing/selftests/kvm/include/aarch64/delay.h

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