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| author |   Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:31 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:44 -0800 |
| commit | 5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch) | |
| tree | 2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/i386/kernel/msr.c | |
| parent | [PATCH] mark struct file_operations const 1 (diff) | |
| download | linux-dev-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.xz linux-dev-5dfe4c964a0dd7bb3a1d64a4166835a153146207.zip | |
[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.c | 2 |
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) /* * File operations we support */ -static struct file_operations msr_fops = { +static const struct file_operations msr_fops = { .owner = THIS_MODULE, .llseek = msr_seek, .read = msr_read, |