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KVM: arm: Add trace name for ARM_NISV

Message ID 20200730094441.18231-1-graf@amazon.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm: Add trace name for ARM_NISV | expand

Commit Message

Alexander Graf July 30, 2020, 9:44 a.m. UTC
Commit c726200dd106d ("KVM: arm/arm64: Allow reporting non-ISV data aborts
to userspace") introduced a mechanism to deflect MMIO traffic the kernel
can not handle to user space. For that, it introduced a new exit reason.

However, it did not update the trace point array that gives human readable
names to these exit reasons inside the trace log.

Let's fix that up after the fact, so that trace logs are pretty even when
we get user space MMIO traps on ARM.

Fixes: c726200dd106d ("KVM: arm/arm64: Allow reporting non-ISV data aborts to userspace")
Signed-off-by: Alexander Graf <graf@amazon.com>
---
 include/trace/events/kvm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Marc Zyngier July 30, 2020, 1:57 p.m. UTC | #1
On Thu, 30 Jul 2020 11:44:41 +0200, Alexander Graf wrote:
> Commit c726200dd106d ("KVM: arm/arm64: Allow reporting non-ISV data aborts
> to userspace") introduced a mechanism to deflect MMIO traffic the kernel
> can not handle to user space. For that, it introduced a new exit reason.
> 
> However, it did not update the trace point array that gives human readable
> names to these exit reasons inside the trace log.
> 
> [...]

Applied to kvm-arm64/misc-5.9, thanks!

[1/1] KVM: arm: Add trace name for ARM_NISV
      commit: 1ccf2fe35c30f79102ad129c5aa71059daaaed7f

Cheers,

	M.
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Patch

diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 2c735a3e6613..9417a34aad08 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -17,7 +17,7 @@ 
 	ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),	\
 	ERSN(S390_UCONTROL), ERSN(WATCHDOG), ERSN(S390_TSCH), ERSN(EPR),\
 	ERSN(SYSTEM_EVENT), ERSN(S390_STSI), ERSN(IOAPIC_EOI),          \
-	ERSN(HYPERV)
+	ERSN(HYPERV), ERSN(ARM_NISV)
 
 TRACE_EVENT(kvm_userspace_exit,
 	    TP_PROTO(__u32 reason, int errno),