[PATCH] mark struct file_operations const 3
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
parent
5dfe4c964a
commit
2b8693c061
@@ -441,7 +441,7 @@ static int tpm_ascii_bios_measurements_open(struct inode *inode,
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return err;
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}
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struct file_operations tpm_ascii_bios_measurements_ops = {
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const struct file_operations tpm_ascii_bios_measurements_ops = {
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.open = tpm_ascii_bios_measurements_open,
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.read = seq_read,
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.llseek = seq_lseek,
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@@ -474,7 +474,7 @@ static int tpm_binary_bios_measurements_open(struct inode *inode,
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return err;
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}
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struct file_operations tpm_binary_bios_measurements_ops = {
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const struct file_operations tpm_binary_bios_measurements_ops = {
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.open = tpm_binary_bios_measurements_open,
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.read = seq_read,
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.llseek = seq_lseek,
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