Commit b8a2c32b authored Nov 15, 2025 by Linus Torvalds

Merge tag 'x86-urgent-2025-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:

 - Update the list of AMD microcode minimum Entrysign revisions

 - Add additional fixed AMD RDSEED microcode revisions

 - Update the language transliteration for Kiryl Shutsemau's name
   in the MAINTAINERS entry

* tag 'x86-urgent-2025-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode/AMD: Add Zen5 model 0x44, stepping 0x1 minrev
  x86/CPU/AMD: Add additional fixed RDSEED microcode revisions
  MAINTAINERS: Update name spelling

parents bb1a6ddc dd14022a

.mailmap

+1 −1

Original line number	Diff line number	Diff line
		@@ -426,7 +426,7 @@ Kenneth W Chen <kenneth.w.chen@intel.com>
		Kenneth Westfield <quic_kwestfie@quicinc.com> <kwestfie@codeaurora.org>
		Kiran Gunda <quic_kgunda@quicinc.com> <kgunda@codeaurora.org>
		Kirill Tkhai <tkhai@ya.ru> <ktkhai@virtuozzo.com>
		Kirill A. Shutemov <kas@kernel.org> <kirill.shutemov@linux.intel.com>
		Kiryl Shutsemau <kas@kernel.org> <kirill.shutemov@linux.intel.com>
		Kishon Vijay Abraham I <kishon@kernel.org> <kishon@ti.com>
		Konrad Dybcio <konradybcio@kernel.org> <konrad.dybcio@linaro.org>
		Konrad Dybcio <konradybcio@kernel.org> <konrad.dybcio@somainline.org>

MAINTAINERS

+1 −1

Original line number	Diff line number	Diff line
		@@ -27851,7 +27851,7 @@ F: arch/x86/kernel/stacktrace.c
		F: arch/x86/kernel/unwind_*.c

		X86 TRUST DOMAIN EXTENSIONS (TDX)
		M: Kirill A. Shutemov <kas@kernel.org>
		M: Kiryl Shutsemau <kas@kernel.org>
		R: Dave Hansen <dave.hansen@linux.intel.com>
		R: Rick Edgecombe <rick.p.edgecombe@intel.com>
		L: x86@kernel.org

arch/x86/kernel/cpu/amd.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1037,7 +1037,14 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)

		static const struct x86_cpu_id zen5_rdseed_microcode[] = {
		ZEN_MODEL_STEP_UCODE(0x1a, 0x02, 0x1, 0x0b00215a),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x08, 0x1, 0x0b008121),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x11, 0x0, 0x0b101054),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x24, 0x0, 0x0b204037),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x0, 0x0b404035),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x1, 0x0b404108),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x60, 0x0, 0x0b600037),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x68, 0x0, 0x0b608038),
		ZEN_MODEL_STEP_UCODE(0x1a, 0x70, 0x0, 0x0b700037),
		{},
		};

arch/x86/kernel/cpu/microcode/amd.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -224,6 +224,7 @@ static bool need_sha_check(u32 cur_rev)
		case 0xb1010: return cur_rev <= 0xb101046; break;
		case 0xb2040: return cur_rev <= 0xb204031; break;
		case 0xb4040: return cur_rev <= 0xb404031; break;
		case 0xb4041: return cur_rev <= 0xb404101; break;
		case 0xb6000: return cur_rev <= 0xb600031; break;
		case 0xb6080: return cur_rev <= 0xb608031; break;
		case 0xb7000: return cur_rev <= 0xb700031; break;