[PATCH v2 06/11] powerpc/64s/hash: Hash hpt_order should be only available with Hash MMU
From: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
Date: 2025-10-30 15:00:48
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
This disables creating hpt_order debugfs entry with radix mode. Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Christophe Leroy <redacted> Cc: Paul Mackerras <redacted> Cc: Aneesh Kumar K.V <aneesh.kumar@kernel.org> Cc: Donet Tom <redacted> Cc: <redacted> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> --- arch/powerpc/mm/book3s64/hash_utils.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 2fa98d26876a..e63befc96708 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c@@ -2434,6 +2434,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n") static int __init hash64_debugfs(void) { + if (radix_enabled()) + return 0; debugfs_create_file("hpt_order", 0600, arch_debugfs_dir, NULL, &fops_hpt_order); return 0;
--
2.51.0