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author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:31 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:44 -0800 |
commit | 5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch) | |
tree | 2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/x86_64/kernel/mce.c | |
parent | 540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff) | |
download | linux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.gz linux-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.bz2 linux-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/x86_64/kernel/mce.c')
-rw-r--r-- | arch/x86_64/kernel/mce.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index ac085038af29..bdb54a2c9f18 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -516,7 +516,7 @@ static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned } } -static struct file_operations mce_chrdev_ops = { +static const struct file_operations mce_chrdev_ops = { .read = mce_read, .ioctl = mce_ioctl, }; |