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authorArjan van de Ven <arjan@infradead.org>2006-01-06 11:12:01 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 19:33:36 +0300
commit37b73c828185731f6236a6387c02d7b08c150810 (patch)
tree312b9f082f78072aba62ee2230e417928156873e /include/asm-generic
parentd89c145c0344fe2180336af6a309a59a8bc8c1c0 (diff)
downloadlinux-37b73c828185731f6236a6387c02d7b08c150810.tar.xz
[PATCH] x86/x86_64: mark rodata section read only: generic infrastructure
Generic prep-work for marking the .rodata section readonly: * Align the rodata section at 4Kb boundary * call the mark_rodata_ro() function when available Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/vmlinux.lds.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 094d4917c1a9..35de20cf8fac 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -10,6 +10,8 @@
#define ALIGN_FUNCTION() . = ALIGN(8)
#define RODATA \
+ . = ALIGN(4096); \
+ __start_rodata = .; \
.rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
*(.rodata) *(.rodata.*) \
*(__vermagic) /* Kernel version magic */ \
@@ -74,6 +76,8 @@
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
*(__ksymtab_strings) \
} \
+ __end_rodata = .; \
+ . = ALIGN(4096); \
\
/* Built-in module parameters. */ \
__param : AT(ADDR(__param) - LOAD_OFFSET) { \