From ec5b705c48365549c483fab17d68d15d83bef265 Mon Sep 17 00:00:00 2001 From: Qian Cai Date: Fri, 23 Aug 2019 10:22:00 -0400 Subject: [PATCH] powerpc/mm/radix: remove useless kernel messages Booting a POWER9 PowerNV system generates a few messages below with "____ptrval____" due to the pointers printed without a specifier extension (i.e unadorned %p) are hashed to prevent leaking information about the kernel memory layout. radix-mmu: Initializing Radix MMU radix-mmu: Partition table (____ptrval____) radix-mmu: Mapped 0x0000000000000000-0x0000000040000000 with 1.00 GiB pages (exec) radix-mmu: Mapped 0x0000000040000000-0x0000002000000000 with 1.00 GiB pages radix-mmu: Mapped 0x0000200000000000-0x0000202000000000 with 1.00 GiB pages radix-mmu: Process table (____ptrval____) and radix root for kernel: (____ptrval____) Signed-off-by: Qian Cai Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1566570120-16529-1-git-send-email-cai@lca.pw --- arch/powerpc/mm/book3s64/radix_pgtable.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 0d1107fb34c1..3a1fbf9cb8f8 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -369,8 +369,6 @@ static void __init radix_init_pgtable(void) rts_field = radix__get_tree_size(); process_tb->prtb0 = cpu_to_be64(rts_field | __pa(init_mm.pgd) | RADIX_PGD_INDEX_SIZE); - pr_info("Process table %p and radix root for kernel: %p\n", process_tb, init_mm.pgd); - /* * The init_mm context is given the first available (non-zero) PID, * which is the "guard PID" and contains no page table. PIDR should @@ -399,7 +397,6 @@ static void __init radix_init_partition_table(void) mmu_partition_table_set_entry(0, dw0, dw1, false); pr_info("Initializing Radix MMU\n"); - pr_info("Partition table %p\n", partition_tb); } static int __init get_idx_from_shift(unsigned int shift)