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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:17:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:17:26 +0200
commitb62ed4c93ad71374b54d2c3a72cbc67b506f580c (patch)
tree6ca6ab974bbce902fc9de300fea6aa056170850f /arch/powerpc/kernel/dt_cpu_ftrs.c
parent5895db67c12464003afd16c08049b73aa09e58ea (diff)
parent221fc2f4d0eda59d02af2e751a9282fa013a8e97 (diff)
Merge v6.18.40linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/kernel/dt_cpu_ftrs.c')
-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 3af6c06af02f..e5853daa6a48 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -704,6 +704,15 @@ static void __init cpufeatures_setup_start(u32 isa)
if (isa >= ISA_V3_1) {
cur_cpu_spec->cpu_features |= CPU_FTR_ARCH_31;
cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_ARCH_3_1;
+
+ /*
+ * CPU_FTR_P11_PVR is a kernel-internal flag to identify
+ * Power11 and later processors. While ISA v3.1 is supported
+ * by Power10+, this flag specifically indicates Power11+
+ * for code that needs to distinguish between P10 and P11.
+ */
+ if (PVR_VER(mfspr(SPRN_PVR)) >= PVR_POWER11)
+ cur_cpu_spec->cpu_features |= CPU_FTR_P11_PVR;
}
}