KVM: arm64: selftests: Add light-weight spinlock support

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Add a simpler version of spinlock support for ARM64 for
the guests to use.

The implementation is loosely based on the spinlock
implementation in kvm-unit-tests.

Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211007233439.1826892-12-rananta@google.com

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Raghavendra Rao Ananta 2021-10-07 23:34:35 +00:00 • committed by Marc Zyngier

parent 17229bdc86

commit 414de89df1

3 changed files with 41 additions and 1 deletions

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2

tools/testing/selftests/kvm/Makefile

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13

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

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tools/testing/selftests/kvm/lib/aarch64/spinlock.c

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