From: Alexander Graf <graf@amazon.com> To: <kvm@vger.kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Heinrich Schuchardt <xypron.glpk@gmx.de>, "Christoffer Dall" <christoffer.dall@arm.com>, Marc Zyngier <maz@kernel.org>, <kvmarm@lists.cs.columbia.edu>, <linux-kernel@vger.kernel.org> Subject: [PATCH] KVM: arm: Add trace name for ARM_NISV Date: Thu, 30 Jul 2020 11:44:41 +0200 [thread overview] Message-ID: <20200730094441.18231-1-graf@amazon.com> (raw) 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(-) 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), -- 2.16.4 Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Graf <graf@amazon.com> To: <kvm@vger.kernel.org> Cc: Marc Zyngier <maz@kernel.org>, linux-kernel@vger.kernel.org, Heinrich Schuchardt <xypron.glpk@gmx.de>, Paolo Bonzini <pbonzini@redhat.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, kvmarm@lists.cs.columbia.edu Subject: [PATCH] KVM: arm: Add trace name for ARM_NISV Date: Thu, 30 Jul 2020 11:44:41 +0200 [thread overview] Message-ID: <20200730094441.18231-1-graf@amazon.com> (raw) 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(-) 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), -- 2.16.4 Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next reply other threads:[~2020-07-30 9:44 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-30 9:44 Alexander Graf [this message] 2020-07-30 9:44 ` [PATCH] KVM: arm: Add trace name for ARM_NISV Alexander Graf 2020-07-30 13:57 ` Marc Zyngier 2020-07-30 13:57 ` Marc Zyngier
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