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[4.14,30/34] x86/bugs: Add Cannon lake to RETBleed affected CPU list

Message ID 20221027205544.17949-2-surajjs@amazon.com (mailing list archive)
State New, archived
Headers show
Series Retbleed & PBRSB Mitigations | expand

Commit Message

Jitindar Singh, Suraj Oct. 27, 2022, 8:55 p.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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ bp: Adjust cpu model name CANNONLAKE_L -> CANNONLAKE_MOBILE ]
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.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 44562885fa1d..4cbbe266a2b2 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1004,6 +1004,7 @@  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),