Messages in this thread | | | Subject | Re: The sheer number of sparse warnings in the kernel | From | "H. Peter Anvin" <> | Date | Wed, 26 Feb 2014 17:21:00 -0800 |
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That would be good.
On February 26, 2014 5:19:51 PM PST, Josh Boyer <jwboyer@fedoraproject.org> wrote: >On Wed, Feb 26, 2014 at 6:37 PM, H. Peter Anvin <hpa@zytor.com> wrote: >> On 02/26/2014 03:31 PM, H. Peter Anvin wrote: >>> On 02/26/2014 03:29 PM, Greg KH wrote: >>>> On Wed, Feb 26, 2014 at 03:28:59PM -0800, Greg KH wrote: >>>>> On Wed, Feb 26, 2014 at 02:49:26PM -0800, H. Peter Anvin wrote: >>>>>> The number of sparse errors in the current kernel is staggering, >and it >>>>>> makes sparse a lot less valuable of a tool that it otherwise >could be. >>>>>> On a build of x86-64 allyesconfig I'm getting 20,676 sparse >messages. >>>>>> Out of those, 12,358 come from linux/err.h. Given that the >latter >>>>>> basically spams *everything*, I can only conclude that almost >noone uses >>>>>> sparse unless they have a filter script. >>>>> >>>>> What errors are you seeing from err.h? I don't see those when >building >>>>> different subdirectories with sparse (which is how I normally use >it.) >>>>> >>>>> And what version of sparse are you running: >>>>> $ sparse --version >>>>> v0.4.5-rc1-407-g345e8943fc36 >>>> >>>> Ah, 0.5.0 is now out, maybe you should update to that version? >>>> >>> >>> Yes... it looks like the 0.4.5-rc1 that shipped in Fedora is indeed >out >>> of date. With 0.5.0 I "only" see 8,207 messages, which means that >at >>> least the linux/err.h issue is gone. >>> >> >> For what it's worth, the rpm is called sparse-0.4.5.rc1-2.fc19.x86_64 >> and sparse --version reports 0.4.4... > >Fedora rawhide has sparse-0.5.0-1.fc21. If it matters, we could >probably update F20 and F19 with that. > >josh
-- Sent from my mobile phone. Please pardon brevity and lack of formatting.
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