[PATCH v2 10/10] powerpc: Print MMU_FTRS_POSSIBLE & MMU_FTRS_ALWAYS at startup
Ritesh Harjani (IBM)
ritesh.list at gmail.com
Tue Mar 10 05:14:33 AEDT 2026
Similar to CPU_FTRS_[POSSIBLE|ALWAYS], let's also print
MMU_FTRS_[POSSIBLE|ALWAYS]. This has some useful data to capture during
bootup.
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy at kernel.org>
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
--
2.50.1 (Apple Git-155)
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