x86/vmscape: Add old Intel CPUs to affected list

commit 8a68d64bb10334426834e8c273319601878e961e upstream.

These old CPUs are not tested against VMSCAPE, but are likely vulnerable.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Amit Shah <amit.shah@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 89e09fb03a5df372569058fc05912aa406ce2458..cc0b43dbb1c30cb03e69722a3705d7fd52c8397a 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1145,15 +1145,18 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
 #define VMSCAPE                BIT(11)
 
 static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
-       VULNBL_INTEL_STEPPINGS(IVYBRIDGE,       X86_STEPPING_ANY,               SRBDS),
-       VULNBL_INTEL_STEPPINGS(HASWELL,         X86_STEPPING_ANY,               SRBDS),
-       VULNBL_INTEL_STEPPINGS(HASWELL_L,       X86_STEPPING_ANY,               SRBDS),
-       VULNBL_INTEL_STEPPINGS(HASWELL_G,       X86_STEPPING_ANY,               SRBDS),
-       VULNBL_INTEL_STEPPINGS(HASWELL_X,       X86_STEPPING_ANY,               MMIO),
-       VULNBL_INTEL_STEPPINGS(BROADWELL_D,     X86_STEPPING_ANY,               MMIO),
-       VULNBL_INTEL_STEPPINGS(BROADWELL_G,     X86_STEPPING_ANY,               SRBDS),
-       VULNBL_INTEL_STEPPINGS(BROADWELL_X,     X86_STEPPING_ANY,               MMIO),
-       VULNBL_INTEL_STEPPINGS(BROADWELL,       X86_STEPPING_ANY,               SRBDS),
+       VULNBL_INTEL_STEPPINGS(SANDYBRIDGE_X,   X86_STEPPING_ANY,               VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(SANDYBRIDGE,     X86_STEPPING_ANY,               VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(IVYBRIDGE_X,     X86_STEPPING_ANY,               VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(IVYBRIDGE,       X86_STEPPING_ANY,               SRBDS | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(HASWELL,         X86_STEPPING_ANY,               SRBDS | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(HASWELL_L,       X86_STEPPING_ANY,               SRBDS | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(HASWELL_G,       X86_STEPPING_ANY,               SRBDS | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(HASWELL_X,       X86_STEPPING_ANY,               MMIO | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(BROADWELL_D,     X86_STEPPING_ANY,               MMIO | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(BROADWELL_X,     X86_STEPPING_ANY,               MMIO | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(BROADWELL_G,     X86_STEPPING_ANY,               SRBDS | VMSCAPE),
+       VULNBL_INTEL_STEPPINGS(BROADWELL,       X86_STEPPING_ANY,               SRBDS | VMSCAPE),
        VULNBL_INTEL_STEPPINGS(SKYLAKE_X,       X86_STEPPINGS(0x0, 0x5),        MMIO | RETBLEED | GDS | VMSCAPE),
        VULNBL_INTEL_STEPPINGS(SKYLAKE_X,       X86_STEPPING_ANY,               MMIO | RETBLEED | GDS | ITS | VMSCAPE),
        VULNBL_INTEL_STEPPINGS(SKYLAKE_L,       X86_STEPPING_ANY,               MMIO | RETBLEED | GDS | SRBDS | VMSCAPE),