[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>
Tento commit je obsažen v:
Arjan van de Ven
2007-02-12 00:55:31 -08:00
odevzdal Linus Torvalds
rodič 540473208f
revize 5dfe4c964a
59 změnil soubory, kde provedl 94 přidání a 94 odebrání

Zobrazit soubor

@@ -50,7 +50,7 @@ write_cris_profile(struct file *file, const char __user *buf,
memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
}
static struct file_operations cris_proc_profile_operations = {
static const struct file_operations cris_proc_profile_operations = {
.read = read_cris_profile,
.write = write_cris_profile,
};