]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
x86/CPU/AMD: Carve out a Zen5 models range
authorPratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Wed, 29 Jul 2026 05:54:59 +0000 (05:54 +0000)
committerBorislav Petkov (AMD) <bp@alien8.de>
Wed, 29 Jul 2026 19:52:27 +0000 (12:52 -0700)
Family 0x1a, model 0xd0..0xd7 belongs to the Zen5 generation. Carve it
out from the larger, Zen6 range where former doesn't belong.

  [ bp: Rewrite commit message, add tags. ]

Fixes: b5f53e6d3d32 ("x86/CPU/AMD: Add more Zen6 models")
Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://patch.msgid.link/20260729055459.15904-1-Pratik.Vishwakarma@amd.com
arch/x86/kernel/cpu/amd.c

index 487ac147e11f55588b6cbb5b0bbe5ae0f2f4c5bf..d61df70d6875ef4b6fc20b652aed3fa8990eb9bf 100644 (file)
@@ -515,11 +515,13 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
                case 0x00 ... 0x2f:
                case 0x40 ... 0x4f:
                case 0x60 ... 0x7f:
+               case 0xd0 ... 0xd7:
                        setup_force_cpu_cap(X86_FEATURE_ZEN5);
                        break;
                case 0x50 ... 0x5f:
                case 0x80 ... 0xaf:
-               case 0xc0 ... 0xef:
+               case 0xc0 ... 0xcf:
+               case 0xd8 ... 0xef:
                        setup_force_cpu_cap(X86_FEATURE_ZEN6);
                        break;
                default: