| Message ID | 20210901211412.4171835-7-rananta@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: arm64: selftests: Introduce arch_timer selftest | expand |
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 >
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> > --- > .../testing/selftests/kvm/include/aarch64/processor.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > Reviewed-by: Andrew Jones <drjones@redhat.com>
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 */
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> --- .../testing/selftests/kvm/include/aarch64/processor.h | 10 ++++++++++ 1 file changed, 10 insertions(+)