Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Tom Rix
On 11/21/20 7:23 PM, Matthew Wilcox wrote: > On Sat, Nov 21, 2020 at 08:50:58AM -0800, t...@redhat.com wrote: >> The fixer review is >> https://reviews.llvm.org/D91789 >> >> A run over allyesconfig for x86_64 finds 62 issues, 5 are false positives. >> The false positives are caused by macros pass

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Matthew Wilcox
On Sun, Nov 22, 2020 at 06:46:46AM -0800, Tom Rix wrote: > > On 11/21/20 7:23 PM, Matthew Wilcox wrote: > > On Sat, Nov 21, 2020 at 08:50:58AM -0800, t...@redhat.com wrote: > >> The fixer review is > >> https://reviews.llvm.org/D91789 > >> > >> A run over allyesconfig for x86_64 finds 62 issues, 5

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Tom Rix
On 11/22/20 6:56 AM, Matthew Wilcox wrote: > On Sun, Nov 22, 2020 at 06:46:46AM -0800, Tom Rix wrote: >> On 11/21/20 7:23 PM, Matthew Wilcox wrote: >>> On Sat, Nov 21, 2020 at 08:50:58AM -0800, t...@redhat.com wrote: The fixer review is https://reviews.llvm.org/D91789 A run ov

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Kees Cook
On Fri, Nov 20, 2020 at 11:51:42AM -0800, Jakub Kicinski wrote: > On Fri, 20 Nov 2020 11:30:40 -0800 Kees Cook wrote: > > On Fri, Nov 20, 2020 at 10:53:44AM -0800, Jakub Kicinski wrote: > > > On Fri, 20 Nov 2020 12:21:39 -0600 Gustavo A. R. Silva wrote: > > > > This series aims to fix almost all

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Tom Rix
On 11/21/20 9:10 AM, Joe Perches wrote: > On Sat, 2020-11-21 at 08:50 -0800, t...@redhat.com wrote: >> A difficult part of automating commits is composing the subsystem >> preamble in the commit log. For the ongoing effort of a fixer producing >> one or two fixes a release the use of 'treewide:'

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread James Bottomley
On Sun, 2020-11-22 at 08:10 -0800, Tom Rix wrote: > On 11/22/20 6:56 AM, Matthew Wilcox wrote: > > On Sun, Nov 22, 2020 at 06:46:46AM -0800, Tom Rix wrote: > > > On 11/21/20 7:23 PM, Matthew Wilcox wrote: > > > > On Sat, Nov 21, 2020 at 08:50:58AM -0800, t...@redhat.com > > > > wrote: > > > > > The

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread James Bottomley
On Sun, 2020-11-22 at 08:17 -0800, Kees Cook wrote: > On Fri, Nov 20, 2020 at 11:51:42AM -0800, Jakub Kicinski wrote: > > On Fri, 20 Nov 2020 11:30:40 -0800 Kees Cook wrote: > > > On Fri, Nov 20, 2020 at 10:53:44AM -0800, Jakub Kicinski wrote: > > > > On Fri, 20 Nov 2020 12:21:39 -0600 Gustavo A. R

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Joe Perches
On Sun, 2020-11-22 at 08:33 -0800, Tom Rix wrote: > On 11/21/20 9:10 AM, Joe Perches wrote: > > On Sat, 2020-11-21 at 08:50 -0800, t...@redhat.com wrote: > > > A difficult part of automating commits is composing the subsystem > > > preamble in the commit log. For the ongoing effort of a fixer prod

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Joe Perches
On Sun, 2020-11-22 at 08:49 -0800, James Bottomley wrote: > We can enforce sysfs_emit going forwards > using tools like checkpatch It's not really possible for checkpatch to find or warn about sysfs uses of sprintf. checkpatch is really just a trivial line-by-line parser and it has no concept of c

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Joe Perches
On Sun, 2020-11-22 at 10:21 -0800, James Bottomley wrote: > Please tell me > our reward for all this effort isn't a single missing error print. There were quite literally dozens of logical defects found by the fallthrough additions. Very few were logging only.

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread James Bottomley
On Sun, 2020-11-22 at 10:25 -0800, Joe Perches wrote: > On Sun, 2020-11-22 at 10:21 -0800, James Bottomley wrote: > > Please tell me our reward for all this effort isn't a single > > missing error print. > > There were quite literally dozens of logical defects found > by the fallthrough additions.

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Joe Perches
On Sun, 2020-11-22 at 11:12 -0800, James Bottomley wrote: > On Sun, 2020-11-22 at 10:25 -0800, Joe Perches wrote: > > On Sun, 2020-11-22 at 10:21 -0800, James Bottomley wrote: > > > Please tell me our reward for all this effort isn't a single > > > missing error print. > > > > There were quite lit

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread James Bottomley
On Sun, 2020-11-22 at 11:22 -0800, Joe Perches wrote: > On Sun, 2020-11-22 at 11:12 -0800, James Bottomley wrote: > > On Sun, 2020-11-22 at 10:25 -0800, Joe Perches wrote: > > > On Sun, 2020-11-22 at 10:21 -0800, James Bottomley wrote: > > > > Please tell me our reward for all this effort isn't a s

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Miguel Ojeda
On Sun, Nov 22, 2020 at 7:22 PM James Bottomley wrote: > > Well, it's a problem in an error leg, sure, but it's not a really > compelling reason for a 141 patch series, is it? All that fixing this > error will do is get the driver to print "oh dear there's a problem" > under four more conditions

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2020-11-22 Thread Adelina Zeuki
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Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Sam Ravnborg
Hi James. > > > If none of the 140 patches here fix a real bug, and there is no > > > change to machine code then it sounds to me like a W=2 kind of a > > > warning. > > > > FWIW, this series has found at least one bug so far: > > https://lore.kernel.org/lkml/CAFCwf11izHF=g1mGry1fE5kvFFFrxzhPSM6q

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Finn Thain
On Sun, 22 Nov 2020, Joe Perches wrote: > On Sun, 2020-11-22 at 08:49 -0800, James Bottomley wrote: > > We can enforce sysfs_emit going forwards > > using tools like checkpatch > > It's not really possible for checkpatch to find or warn about > sysfs uses of sprintf. checkpatch is really just a

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread James Bottomley
On Sun, 2020-11-22 at 21:35 +0100, Miguel Ojeda wrote: > On Sun, Nov 22, 2020 at 7:22 PM James Bottomley > wrote: > > Well, it's a problem in an error leg, sure, but it's not a really > > compelling reason for a 141 patch series, is it? All that fixing > > this error will do is get the driver to

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread Finn Thain
On Sun, 22 Nov 2020, Miguel Ojeda wrote: > > It isn't that much effort, isn't it? Plus we need to take into account > the future mistakes that it might prevent, too. We should also take into account optimisim about future improvements in tooling. > So even if there were zero problems found

Re: [PATCH 000/141] Fix fall-through warnings for Clang

2020-11-22 Thread James Bottomley
On Mon, 2020-11-23 at 09:54 +1100, Finn Thain wrote: > But is anyone keeping score of the regressions? If unreported bugs > count, what about unreported regressions? Well, I was curious about the former (obviously no tool will tell me about the latter), so I asked git what patches had a fall-throu

Re: [RFC] MAINTAINERS tag for cleanup robot

2020-11-22 Thread Joe Perches
On Mon, 2020-11-23 at 09:33 +1100, Finn Thain wrote: > On Sun, 22 Nov 2020, Joe Perches wrote: > > But provably correct conversions IMO _should_ be done and IMO churn > > considerations should generally have less importance. [] > Moreover, the patch review workload for skilled humans is being gen