On Thu 2015-01-08 16:57:05, Russell King - ARM Linux wrote: > On Thu, Jan 08, 2015 at 04:41:12PM +0000, Catalin Marinas wrote: > > On Thu, Jan 08, 2015 at 04:34:50PM +0000, Russell King - ARM Linux wrote: > > > On Thu, Jan 08, 2015 at 04:19:08PM +0000, Catalin Marinas wrote: > > > > I really think we should stop this thread. User ABI breakage fixed now. > > > > > > No. Vince's email shows a more serious problem. > > > > > > The ABI breakage issue was reported before the patches were apparently > > > merged, but that information seems to have been lost. We need to > > > understand how that happened so similar instances don't happen in the > > > future. > > > > FYI, searching for "Vince Weaver" and "bogomips" found this: > > > > https://lkml.org/lkml/2013/7/11/454 > > Gah. > > It looks like the report was made by hanging it into a totally different > thread to the patches which caused the problem, and which went nowhere > near the ARM kernel mailing lists.
This went at least to Will Deacon and Nicolas Pitre. https://lkml.org/lkml/2013/5/15/217 So AFAICT yes, we knowingly broke at least com.securiteinfo.android.bogomips application. > At least that explains why people like me who really need to know this > stuff were not aware of the issue. > > One thing I still can't get my head around though is... Vince reported > the breakage on 11 July 2013, but the patch is dated 30 August and I > merged it 2 September. So, how did Vince know about it to report the > ABI breakage? Had it been sitting somewhere else? There was discussion on lkml at May 2013, clearly marked "ARM:". I don't see enough headers to know what else was copied. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/
