[PATCH Part2 RFC v4 31/40] KVM: X86: update page-fault trace to log the 64-bit error code
STALE1579d
From: Brijesh Singh <hidden>
Date: 2021-07-07 18:40:49
Also in:
kvm, linux-coco, linux-crypto, linux-mm, lkml, platform-driver-x86
Subsystem:
kernel virtual machine for x86 (kvm/x86), the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Sean Christopherson, Paolo Bonzini, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Revision v4 of 4 in this series.
Revisions (4)
- v2 [diff vs current]
- v3 [diff vs current]
- v4 current
- v5 [diff vs current]
The page-fault error code is a 64-bit value, but the trace prints only the lower 32-bits. Some of the SEV-SNP RMP fault error codes are available in the upper 32-bits. Signed-off-by: Brijesh Singh <redacted> --- arch/x86/kvm/trace.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index a61c015870e3..78cbf53bf412 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h@@ -365,12 +365,12 @@ TRACE_EVENT(kvm_inj_exception, * Tracepoint for page fault. */ TRACE_EVENT(kvm_page_fault, - TP_PROTO(unsigned long fault_address, unsigned int error_code), + TP_PROTO(unsigned long fault_address, u64 error_code), TP_ARGS(fault_address, error_code), TP_STRUCT__entry( __field( unsigned long, fault_address ) - __field( unsigned int, error_code ) + __field( u64, error_code ) ), TP_fast_assign(
@@ -378,7 +378,7 @@ TRACE_EVENT(kvm_page_fault, __entry->error_code = error_code; ), - TP_printk("address %lx error_code %x", + TP_printk("address %lx error_code %llx", __entry->fault_address, __entry->error_code) );
--
2.17.1