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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:31 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:44 -0500
commit5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch)
tree2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/i386/kernel/msr.c
parent540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff)
[PATCH] mark struct file_operations const 2
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. [akpm@osdl.org: sparc64 fix] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386/kernel/msr.c')
-rw-r--r--arch/i386/kernel/msr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 4a472a17d1c6..4e14264f392a 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -230,7 +230,7 @@ static int msr_open(struct inode *inode, struct file *file)
230/* 230/*
231 * File operations we support 231 * File operations we support
232 */ 232 */
233static struct file_operations msr_fops = { 233static const struct file_operations msr_fops = {
234 .owner = THIS_MODULE, 234 .owner = THIS_MODULE,
235 .llseek = msr_seek, 235 .llseek = msr_seek,
236 .read = msr_read, 236 .read = msr_read,