[PATCH] mark struct file_operations const 9
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. 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>
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Linus Torvalds
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da7071d7e3
commit
9c2e08c592
@@ -1901,7 +1901,7 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
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#define snd_timer_user_ioctl_compat NULL
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#endif
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static struct file_operations snd_timer_f_ops =
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static const struct file_operations snd_timer_f_ops =
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{
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.owner = THIS_MODULE,
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.read = snd_timer_user_read,
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