microblaze: Stop printing the virtual memory layout

For security, don't display the kernel's virtual memory layout.

Kees Cook points out:
"These have been entirely removed on other architectures, so let's
just do the same for ia32 and remove it unconditionally."

071929dbdd86 ("arm64: Stop printing the virtual memory layout")
1c31d4e96b8c ("ARM: 8820/1: mm: Stop printing the virtual memory layout")
31833332f798 ("m68k/mm: Stop printing the virtual memory layout")
fd8d0ca25631 ("parisc: Hide virtual kernel memory layout")
adb1fe9ae2ee ("mm/page_alloc: Remove kernel address exposure in free_reserved_area()")

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Acked-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 9899ff2..1ffbfa9 100644 (file)
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -201,18 +201,6 @@ void __init mem_init(void)
 #endif
 
        mem_init_print_info(NULL);
-#ifdef CONFIG_MMU
-       pr_info("Kernel virtual memory layout:\n");
-       pr_info("  * 0x%08lx..0x%08lx  : fixmap\n", FIXADDR_START, FIXADDR_TOP);
-#ifdef CONFIG_HIGHMEM
-       pr_info("  * 0x%08lx..0x%08lx  : highmem PTEs\n",
-               PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP));
-#endif /* CONFIG_HIGHMEM */
-       pr_info("  * 0x%08lx..0x%08lx  : early ioremap\n",
-               ioremap_bot, ioremap_base);
-       pr_info("  * 0x%08lx..0x%08lx  : vmalloc & ioremap\n",
-               (unsigned long)VMALLOC_START, VMALLOC_END);
-#endif
        mem_init_done = 1;
 }