| Message ID | 1473166937-15271-14-git-send-email-marc.zyngier@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index 58faff5..05e47fa 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -21,6 +21,10 @@ #include <asm/virt.h> +#define ARM_EXIT_WITH_ABORT_BIT 31 +#define ARM_EXCEPTION_CODE(x) ((x) & ~(1U << ARM_EXIT_WITH_ABORT_BIT)) +#define ARM_ABORT_PENDING(x) !!((x) & (1U << ARM_EXIT_WITH_ABORT_BIT)) + #define ARM_EXCEPTION_RESET 0 #define ARM_EXCEPTION_UNDEFINED 1 #define ARM_EXCEPTION_SOFTWARE 2
An asynchronous abort can also be triggered whilst running at EL2. But instead of making that a new error code, we need to communicate it to the rest of KVM together with the exit reason. So let's hijack a single bit that allows the exception code to be tagged with a "pending Abort" information. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- arch/arm/include/asm/kvm_asm.h | 4 ++++ 1 file changed, 4 insertions(+)