On 8/12/22 2:44 PM, Jens Axboe wrote: > On Aug 12, 2022, at 2:28 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> >> ?On Fri, Aug 12, 2022 at 5:46 AM Jens Axboe <axboe@xxxxxxxxx> wrote: >>> >>> - Small series improving type safety of the sqe fields (Stefan) >> >> This doesn't work AT ALL. >> >> A basic allmodconfig build fails with tons of errors. It starts with >> >> In function ?io_kiocb_cmd_sz_check?, >> inlined from ?io_prep_rw? at io_uring/rw.c:38:21: >> ././include/linux/compiler_types.h:354:45: error: call to >> ?__compiletime_assert_802? declared with attribute error: BUILD_BUG_ON >> failed: cmd_sz > sizeof(struct io_cmd_data) >> 354 | _compiletime_assert(condition, msg, >> __compiletime_assert_, __COUNTER__) >> | ^ >> ././include/linux/compiler_types.h:335:25: note: in definition of >> macro ?__compiletime_assert? >> 335 | prefix ## suffix(); >> \ >> | ^~~~~~ >> ././include/linux/compiler_types.h:354:9: note: in expansion of >> macro ?_compiletime_assert? >> 354 | _compiletime_assert(condition, msg, >> __compiletime_assert_, __COUNTER__) >> | ^~~~~~~~~~~~~~~~~~~ >> ./include/linux/build_bug.h:39:37: note: in expansion of macro >> ?compiletime_assert? >> 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) >> | ^~~~~~~~~~~~~~~~~~ >> ./include/linux/build_bug.h:50:9: note: in expansion of macro >> ?BUILD_BUG_ON_MSG? >> 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " >> #condition) >> | ^~~~~~~~~~~~~~~~ >> ./include/linux/io_uring_types.h:496:9: note: in expansion of macro >> ?BUILD_BUG_ON? >> 496 | BUILD_BUG_ON(cmd_sz > sizeof(struct io_cmd_data)); >> | ^~~~~~~~~~~~ >> >> and goes downhill from there. >> >> I don't think this can have seen any testing at all. > > Wtf? I always run allmodconfig before sending and it also ran testing. > I?ll check shortly. Sorry about that, whatever went wrong here. My test box is still on the same sha from this morning, which is: commit 2ae08b36c06ea8df73a79f6b80ff7964e006e9e3 (origin/master, origin/HEAD) Merge: 21f9c8a13bb2 8bb5e7f4dcd9 Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Date: Thu Aug 11 09:23:08 2022 -0700 Merge tag 'input-for-v5.20-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input with io_uring-6.0 (ff34d8d06a1f16b6a58fb41bfbaa475cc6c02497) and block-6.0 (aa0c680c3aa96a5f9f160d90dd95402ad578e2b0) pulled in, and it builds just fine for me: axboe@r7525 ~/gi/build (test)> make clean 9.827s HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/confdata.o HOSTCC scripts/kconfig/expr.o LEX scripts/kconfig/lexer.lex.c YACC scripts/kconfig/parser.tab.[ch] HOSTCC scripts/kconfig/lexer.lex.o HOSTCC scripts/kconfig/menu.o HOSTCC scripts/kconfig/parser.tab.o HOSTCC scripts/kconfig/preprocess.o HOSTCC scripts/kconfig/symbol.o HOSTCC scripts/kconfig/util.o HOSTLD scripts/kconfig/conf # # No change to .config # axboe@r7525 ~/gi/build (test)> time make -j256 -s ________________________________________________________ Executed in 172.67 secs fish external usr time 516.61 mins 396.00 micros 516.61 mins sys time 44.40 mins 0.00 micros 44.40 mins using: axboe@r7525 ~/gi/build (test)> gcc --version gcc (Debian 12.1.0-7) 12.1.0 Puzzled, I'll keep poking... -- Jens Axboe