diff options
| author | Brijesh Singh <brijesh.singh@amd.com> | 2024-01-25 22:11:08 -0600 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-01-29 17:26:56 +0100 |
| commit | 54055344b232c917a9e492a8bf5864fed99ad6b8 (patch) | |
| tree | 2b1b4eddd1c461f146657dccbc675c1555954f08 /arch/x86/mm/fault.c | |
| parent | 1f568d36361b4891696280b719ca4b142db872ba (diff) | |
x86/traps: Define RMP violation #PF error code
Bit 31 in the page fault-error bit will be set when processor encounters
an RMP violation.
While at it, use the BIT() macro.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Link: https://lore.kernel.org/r/20240126041126.1927228-9-michael.roth@amd.com
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 679b09cfe241..8805e2e20df6 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -547,6 +547,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, unsigned long ad !(error_code & X86_PF_PROT) ? "not-present page" : (error_code & X86_PF_RSVD) ? "reserved bit violation" : (error_code & X86_PF_PK) ? "protection keys violation" : + (error_code & X86_PF_RMP) ? "RMP violation" : "permissions violation"); if (!(error_code & X86_PF_USER) && user_mode(regs)) { |