From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: Tree for Feb 7 (objtool warning)
Date: Mon, 10 Feb 2020 11:26:03 -0600 [thread overview]
Message-ID: <20200210172603.ujtupdib5gcpmo6v@treble> (raw)
In-Reply-To: <20200210102951.GD14879@hirez.programming.kicks-ass.net>
On Mon, Feb 10, 2020 at 11:29:51AM +0100, Peter Zijlstra wrote:
> On Fri, Feb 07, 2020 at 08:17:25AM -0800, Randy Dunlap wrote:
> > on x86_64:
> >
> > drivers/gpu/drm/i915/gem/i915_gem_execbuffer.o: warning: objtool: i915_gem_execbuffer2_ioctl()+0x6c7: call to gen8_canonical_addr() with UACCESS enabled
>
> > CONFIG_CC_OPTIMIZE_FOR_SIZE=y
> > CONFIG_64BIT=y
>
> That's just really sad, stupid compiler.
>
> Something like so I suppose...
This looks familiar... here's the approach we decided on before, before
I subsequently dropped the ball:
https://lkml.kernel.org/r/20190923141657.p6kpqro3q4p4umwi@treble
--
Josh
next prev parent reply other threads:[~2020-02-10 17:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 0:59 linux-next: Tree for Feb 7 Stephen Rothwell
2020-02-07 16:17 ` linux-next: Tree for Feb 7 (objtool warning) Randy Dunlap
2020-02-10 10:29 ` Peter Zijlstra
2020-02-10 16:59 ` Randy Dunlap
2020-02-10 17:26 ` Josh Poimboeuf [this message]
2020-02-10 18:45 ` Josh Poimboeuf
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