Re: [PATCH net-next] net/9p/usbg: Constify struct configfs_item_operations
Dominique Martinet <[email protected]> Tue, 19 May 2026 20:57:12 +0900
| Newsgroups | dev.linux.lists.v9fs,org.kernel.vger.kernel-janitors,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Christophe JAILLET wrote on Sat, May 16, 2026 at 11:08:28AM +0200: > 'struct configfs_item_operations' is not modified in this driver. > > Constifying this structure moves some data to a read-only section, so > increases overall security, especially when the structure holds some > function pointers. > > On a x86_64, with allmodconfig: > Before: > ====== > text data bss dec hex filename > 25167 9336 256 34759 87c7 net/9p/trans_usbg.o > > After: > ===== > text data bss dec hex filename > 25231 9272 256 34759 87c7 net/9p/trans_usbg.o > > Signed-off-by: Christophe JAILLET <[email protected]> Thanks, this makes sense -- I've picked it up in the 9p tree -- Dominique