On 12/12/19 10:47 AM, Josh Poimboeuf wrote: > On Wed, Dec 11, 2019 at 08:21:38AM -0800, Randy Dunlap wrote: >> [oops, forgot to add Josh and PeterZ] >> >> On 12/11/19 5:49 AM, David Sterba wrote: >>> On Fri, Dec 06, 2019 at 08:17:30AM -0800, Randy Dunlap wrote: >>>> On 12/5/19 6:54 PM, Stephen Rothwell wrote: >>>>> Hi all, >>>>> >>>>> Please do not add any material for v5.6 to your linux-next included >>>>> trees until after v5.5-rc1 has been released. >>>>> >>>>> Changes since 20191204: >>>>> >>>> >>>> on x86_64: >>>> >>>> fs/btrfs/ctree.o: warning: objtool: btrfs_search_slot()+0x2d4: unreachable instruction >>> >>> Can somebody enlighten me what is one supposed to do to address the >>> warnings? Function names reported in the list contain our ASSERT macro >>> that conditionally calls BUG() that I believe is what could cause the >>> unreachable instructions but I don't see how. >>> >>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/fs/btrfs/ctree.h#n3113 >>> >>> __cold >>> static inline void assfail(const char *expr, const char *file, int line) >>> { >>> if (IS_ENABLED(CONFIG_BTRFS_ASSERT)) { >>> pr_err("assertion failed: %s, in %s:%d\n", expr, file, line); >>> BUG(); >>> } >>> } >>> >>> #define ASSERT(expr) \ >>> (likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) >>> > > Randy, can you share one of the btrfs .o files? I'm not able to > recreate. > Hm. I'll have to try to recreate this. I no longer have files from 20191206 (lack of space). I'll let you know if/when I can recreate it. -- ~Randy
