[RFC v1 10/10] powerpc: Add MMU_FTRS_POSSIBLE & MMU_FTRS_ALWAYS

Ritesh Harjani (IBM) ritesh.list at gmail.com
Wed Feb 25 22:04:31 AEDT 2026


Similar to CPU_FTRS_[POSSIBLE|ALWAYS], let's also print
MMU_FTRS_[ALWAYS|ALWAYS]. This has some useful data to capture during
bootup.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list at gmail.com>
---
 arch/powerpc/kernel/setup-common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index cb5b73adc250..002b312eb7e9 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -866,6 +866,10 @@ static __init void print_system_info(void)
 		cur_cpu_spec->cpu_user_features,
 		cur_cpu_spec->cpu_user_features2);
 	pr_info("mmu_features      = 0x%08x\n", cur_cpu_spec->mmu_features);
+	pr_info("  possible        = 0x%016lx\n",
+		(unsigned long)MMU_FTRS_POSSIBLE);
+	pr_info("  always          = 0x%016lx\n",
+		(unsigned long)MMU_FTRS_ALWAYS);
 #ifdef CONFIG_PPC64
 	pr_info("firmware_features = 0x%016lx\n", powerpc_firmware_features);
 #ifdef CONFIG_PPC_BOOK3S
--
2.53.0



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