git: a68dcfaf0236 - main - linuxkpi: Define and fill `struct cpuinfo_x86->x86_stepping`

The branch main has been updated by dumbbell:

URL: https://cgit.FreeBSD.org/src/commit/?id=a68dcfaf0236468703201e4f9a52139bd955bc45

commit a68dcfaf0236468703201e4f9a52139bd955bc45
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2026-06-17 13:55:19 +0000
Commit:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
CommitDate: 2026-06-24 16:47:09 +0000

    linuxkpi: Define and fill `struct cpuinfo_x86->x86_stepping`
    
    This will be used in a follow-up commit to implement `x86_match_cpu()`.
    
    Reviewed by:    emaste
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D57698
---
 sys/compat/linuxkpi/common/include/asm/processor.h | 1 +
 sys/compat/linuxkpi/common/src/linux_compat.c      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/asm/processor.h b/sys/compat/linuxkpi/common/include/asm/processor.h
index 2bc4b6532544..8b5aa1dfcce6 100644
--- a/sys/compat/linuxkpi/common/include/asm/processor.h
+++ b/sys/compat/linuxkpi/common/include/asm/processor.h
@@ -51,6 +51,7 @@ struct cpuinfo_x86 {
 	uint16_t	x86_clflush_size;
 	uint16_t	x86_max_cores;
 	uint8_t		x86_vendor;
+	uint8_t		x86_stepping;
 };
 
 extern struct cpuinfo_x86	boot_cpu_data;
diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c
index e93963428195..78abbf1716e4 100644
--- a/sys/compat/linuxkpi/common/src/linux_compat.c
+++ b/sys/compat/linuxkpi/common/src/linux_compat.c
@@ -2907,6 +2907,7 @@ linux_compat_init(void *arg)
 	boot_cpu_data.x86 = CPUID_TO_FAMILY(cpu_id);
 	boot_cpu_data.x86_model = CPUID_TO_MODEL(cpu_id);
 	boot_cpu_data.x86_vendor = x86_vendor;
+	boot_cpu_data.x86_stepping = CPUID_TO_STEPPING(cpu_id);
 
 	__cpu_data = kmalloc_array(mp_maxid + 1,
 	    sizeof(*__cpu_data), M_WAITOK | M_ZERO);