diff mbox series

[4.19,30/34] x86/bugs: Add Cannon lake to RETBleed affected CPU list

Message ID 20221117091952.1940850-31-suleiman@google.com (mailing list archive)
State New, archived
Headers show
Series Intel RETBleed mitigations for 4.19. | expand

Commit Message

Suleiman Souhlal Nov. 17, 2022, 9:19 a.m. UTC 
From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>

commit f54d45372c6ac9c993451de5e51312485f7d10bc upstream.

Cannon lake is also affected by RETBleed, add it to the list.

Fixes: 6ad0ad2bf8a6 ("x86/bugs: Report Intel retbleed vulnerability")
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
[ bp: Adjust cpu model name CANNONLAKE_L -> CANNONLAKE_MOBILE ]
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Suleiman Souhlal <suleiman@google.com>
---
 arch/x86/kernel/cpu/common.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c70be58b0a9b..da3819a43418 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1053,6 +1053,7 @@  static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
 	VULNBL_INTEL_STEPPINGS(SKYLAKE_DESKTOP,	X86_STEPPING_ANY,		SRBDS | MMIO | RETBLEED),
 	VULNBL_INTEL_STEPPINGS(KABYLAKE_MOBILE,	X86_STEPPING_ANY,		SRBDS | MMIO | RETBLEED),
 	VULNBL_INTEL_STEPPINGS(KABYLAKE_DESKTOP,X86_STEPPING_ANY,		SRBDS | MMIO | RETBLEED),
+	VULNBL_INTEL_STEPPINGS(CANNONLAKE_MOBILE,X86_STEPPING_ANY,		RETBLEED),
 	VULNBL_INTEL_STEPPINGS(ICELAKE_MOBILE,	X86_STEPPING_ANY,		MMIO | MMIO_SBDS | RETBLEED),
 	VULNBL_INTEL_STEPPINGS(ICELAKE_XEON_D,	X86_STEPPING_ANY,		MMIO),
 	VULNBL_INTEL_STEPPINGS(ICELAKE_X,	X86_STEPPING_ANY,		MMIO),