On Thu, Sep 10, 2015 at 4:53 PM, Tejun Heo <t...@kernel.org> wrote: > On Thu, Sep 10, 2015 at 10:52:27AM -0400, Tejun Heo wrote: >> Hey, >> >> On Thu, Sep 10, 2015 at 09:04:27AM +0800, Lai Jiangshan wrote: >> > I think we need to add might_sleep() on the top of __cancel_work_timer(). >> > The might_sleep() on the start_flush_work() doesn't cover all the >> > paths of __cancel_work_timer(). >> > And it can help to narrow the area of this bug. >> >> Sure, can you submit a patch? > > That said, this one is likely not a bug in the kernel code but more > likely llvm either miscompiling or deviating from gcc behavior on some > corner cases. >
An llvmlinux-patched Linux v4.2 kernel compiled with GCC v4.9 does not show this BUG line. - Sedat - > Thanks. > > -- > tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
