| Date | Wed, 1 Sep 2021 23:26:52 +0000 | From | Oliver Upton <> | Subject | Re: [PATCH v3 06/12] KVM: arm64: selftests: Add support to disable and enable local IRQs |
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On Wed, Sep 01, 2021 at 09:14:06PM +0000, Raghavendra Rao Ananta wrote: > Add functions local_irq_enable() and local_irq_disable() to > enable and disable the IRQs from the guest, respectively. > > Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
> --- > .../testing/selftests/kvm/include/aarch64/processor.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h > index 78df059dc974..c35bb7b8e870 100644 > --- a/tools/testing/selftests/kvm/include/aarch64/processor.h > +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h > @@ -241,4 +241,14 @@ static __always_inline u32 __raw_readl(const volatile void *addr) > #define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c));}) > #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(__v); __v; }) > > +static inline void local_irq_enable(void) > +{ > + asm volatile("msr daifclr, #3" : : : "memory"); > +} > + > +static inline void local_irq_disable(void) > +{ > + asm volatile("msr daifset, #3" : : : "memory"); > +} > + > #endif /* SELFTEST_KVM_PROCESSOR_H */ > -- > 2.33.0.153.gba50c8fa24-goog >
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