Commit 843af0f2 authored by Sean Christopherson's avatar Sean Christopherson
Browse files

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



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: default avatarXiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: default avatarBinbin Wu <binbin.wu@linux.intel.com>
Link: https://lore.kernel.org/r/20250919223258.1604852-23-seanjc@google.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent 29659934

arch/x86/kvm/mmu/mmutrace.h

+3 −0
Original line number Diff line number Diff line
@@ -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" }