On Mon, Jan 13, 2025 at 09:37:24AM +0100, Christophe Leroy wrote: > While working on implementing user access validation on powerpc > I got the following warnings on a pmac32_defconfig build: > > CC fs/select.o > fs/select.o: warning: objtool: sys_pselect6+0x1bc: redundant UACCESS disable > fs/select.o: warning: objtool: sys_pselect6_time32+0x1bc: redundant UACCESS disable > > On powerpc/32s, user_read_access_begin/end() are no-ops, but the > failure path has a user_access_end() instead of user_read_access_end() > which means an access end without any prior access begin. > > Replace that user_access_end() by user_read_access_end(). ACK.