linux-kernel - RE: [PATCH 4.19 00/42] 4.19.4-stable review

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Message-ID: <80f8817e9629410fb73354d611dcd756@AcuMS.aculab.com>
Date:   Fri, 23 Nov 2018 15:44:29 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Thomas Voegtle' <tv@...96.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "patches@...nelci.org" <patches@...nelci.org>,
        "ben.hutchings@...ethink.co.uk" <ben.hutchings@...ethink.co.uk>,
        "lkft-triage@...ts.linaro.org" <lkft-triage@...ts.linaro.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH 4.19 00/42] 4.19.4-stable review

From: Thomas Voegtle
> Sent: 23 November 2018 15:41
> On Fri, 23 Nov 2018, Greg Kroah-Hartman wrote:
> 
> > On Thu, Nov 22, 2018 at 09:53:35PM +0100, Thomas Voegtle wrote:
> >>
> >> Doesn't compile for me on OpenSuSE 15.0 (gcc 7.3.1):
> >>
> >>   CALL    scripts/checksyscalls.sh
> >>   DESCEND  objtool
> >>   CHK     include/generated/compile.h
> >>   CC [M]  drivers/gpu/drm/i915/i915_gem_gtt.o
> >> drivers/gpu/drm/i915/i915_gem_gtt.c: In function ‘gen6_dump_ppgtt’:
> >> drivers/gpu/drm/i915/i915_gem_gtt.c:1771:41: error: format ‘%llx’ expects
> >> argument of type ‘long long unsigned int’, but argument 5 has type ‘long
> >> unsigned int’ [-Werror=format=]
> >>     seq_printf(m, "\t\t(%03d, %04d) %08llx: ",
> >>                                     ~~~~~^
> >>                                     %08lx
> >> cc1: all warnings being treated as errors
> >
> > Warnings treated as errors?  That's rough, sorry, don't do that :)
> 
> I had CONFIG_DRM_I915_WERROR=y for whatever reason.
> The whole thing confused me a lot.
> Sorry.

Well, if you compile that code for a 32bit architecture it is likely
to print garbage.

	David

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