linux-kernel - [GIT PULL] x86 fixes

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Date:   Sat, 11 Feb 2023 09:59:20 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Subject: [GIT PULL] x86 fixes

Linus,

Please pull the latest x86/urgent git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-urgent-2023-02-11

   # HEAD: f545e8831e70065e127f903fc7aca09aa50422c7 x86/cpu: Add Lunar Lake M

Fix a kprobes bug, plus add a new Intel model number to the
upstream <asm/intel-family.h> header for drivers to use.

 Thanks,

	Ingo

------------------>
Kan Liang (1):
      x86/cpu: Add Lunar Lake M

Nadav Amit (1):
      x86/kprobes: Fix 1 byte conditional jump target


 arch/x86/include/asm/intel-family.h | 2 ++
 arch/x86/kernel/kprobes/core.c      | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 347707d459c6..cbaf174d8efd 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -123,6 +123,8 @@
 #define INTEL_FAM6_METEORLAKE		0xAC
 #define INTEL_FAM6_METEORLAKE_L		0xAA
 
+#define INTEL_FAM6_LUNARLAKE_M		0xBD
+
 /* "Small Core" Processors (Atom/E-Core) */
 
 #define INTEL_FAM6_ATOM_BONNELL		0x1C /* Diamondville, Pineview */
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index b36f3c367cb2..695873c0f50b 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -625,7 +625,7 @@ static int prepare_emulation(struct kprobe *p, struct insn *insn)
 		/* 1 byte conditional jump */
 		p->ainsn.emulate_op = kprobe_emulate_jcc;
 		p->ainsn.jcc.type = opcode & 0xf;
-		p->ainsn.rel32 = *(char *)insn->immediate.bytes;
+		p->ainsn.rel32 = insn->immediate.value;
 		break;
 	case 0x0f:
 		opcode = insn->opcode.bytes[1];