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From: "Li, Philip" <philip.li@intel.com>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, lkp <lkp@intel.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"kbuild-all@01.org" <kbuild-all@01.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: RE: [kbuild-all] [linux-stable-rc:linux-4.14.y 3879/4798] kernel//time/posix-timers.c:1231:1: note: in expansion of macro 'COMPAT_SYSCALL_DEFINE4'
Date: Tue, 29 May 2018 15:37:59 +0000	[thread overview]
Message-ID: <831EE4E5E37DCC428EB295A351E662494CB98CE2@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20180529153252.GB521@tigerII.localdomain>

> Subject: Re: [kbuild-all] [linux-stable-rc:linux-4.14.y 3879/4798] kernel//time/posix-
> timers.c:1231:1: note: in expansion of macro 'COMPAT_SYSCALL_DEFINE4'
> 
> On (05/29/18 23:23), kbuild test robot wrote:
> > Hi Sergey,
> >
> > First bad commit (maybe != root cause):
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> linux-4.14.y
> > head:   9fcb9d72e8a3a813caae6e2fac43a73603d75abd
> > commit: 8e99c881e497e7f7528f693c563e204ae888a846 [3879/4798]
> tools/lib/subcmd/pager.c: do not alias select() params
> > config: x86_64-acpi-redef (attached as .config)
> > compiler: gcc-8 (Debian 8.1.0-3) 8.1.0
> > reproduce:
> >         git checkout 8e99c881e497e7f7528f693c563e204ae888a846
> >         # save the attached .config to linux build tree
> >         make ARCH=x86_64
> 
> Hello,
> 
> The commit in question is for a user space tool. I don't think it has
> anything to do with the __SYSCALL_DEFINEx macro.
thanks for info, we also got similar "false" warning in other report, for now, I will
roll back to gcc-7.3, and do more check for 8.1.

> 
> Seems that you have switched to gcc-8.1, which has aliasing warning ON
> by default.
> 
> 	-ss
> _______________________________________________
> kbuild-all mailing list
> kbuild-all@lists.01.org
> https://lists.01.org/mailman/listinfo/kbuild-all

      reply	other threads:[~2018-05-29 15:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 15:23 kbuild test robot
2018-05-29 15:32 ` Sergey Senozhatsky
2018-05-29 15:37   ` Li, Philip [this message]

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