On Wed, Sep 01, 2021 at 09:14:01PM +0000, Raghavendra Rao Ananta wrote: > Define the readl() and writel() functions for the guests to > access (4-byte) the MMIO region. > > The routines, and their dependents, are inspired from the kernel's > arch/arm64/include/asm/io.h and arch/arm64/include/asm/barrier.h. > > Signed-off-by: Raghavendra Rao Ananta <rananta@xxxxxxxxxx> > --- > .../selftests/kvm/include/aarch64/processor.h | 45 ++++++++++++++++++- > 1 file changed, 44 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h > index c0273aefa63d..3cbaf5c1e26b 100644 > --- a/tools/testing/selftests/kvm/include/aarch64/processor.h > +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h > @@ -130,6 +130,49 @@ void vm_install_sync_handler(struct kvm_vm *vm, > val; \ > }) > > -#define isb() asm volatile("isb" : : : "memory") > +#define isb() asm volatile("isb" : : : "memory") Is this a stray diff? Otherwise: Reviewed-by: Oliver Upton <oupton@xxxxxxxxxx>