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KVM: x86/mmu: Pretty print PK, SS, and SGX flags in MMU tracepoints

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Add PK (Protection Keys), SS (Shadow Stacks), and SGX (Software Guard
Extensions) to the set of #PF error flags handled via
kvm_mmu_trace_pferr_flags.  While KVM doesn't expect PK or SS #PFs in
particular, pretty print their names instead of the raw hex value saves
the user from having to go spelunking in the SDM to figure out what's
going on.

Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
Link: https://lore.kernel.org/r/20250919223258.1604852-23-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2025-09-19 15:32:29 -07:00
parent 296599346c
commit 843af0f2e4
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/mmu/mmutrace.h
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@ -51,6 +51,9 @@
{ PFERR_PRESENT_MASK, "P" }, \
{ PFERR_WRITE_MASK, "W" }, \
{ PFERR_USER_MASK, "U" }, \
{ PFERR_PK_MASK, "PK" }, \
{ PFERR_SS_MASK, "SS" }, \
{ PFERR_SGX_MASK, "SGX" }, \
{ PFERR_RSVD_MASK, "RSVD" }, \
{ PFERR_FETCH_MASK, "F" }