lkml.org 
[lkml]   [2017]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: bit tweaks [was: Re: [nfsd4] potentially hardware breaking regression in 4.14-rc and 4.13.11]
On 14 November 2017 at 23:43, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Tue, Nov 14, 2017 at 2:24 PM, Rasmus Villemoes
> <linux@rasmusvillemoes.dk> wrote:
>>
>> Can you be more specific? That's not what I see with gcc 7.1.
>
> I have gcc-7.2.1, and it made a horrible mess of the do_mount() code.

Odd. 7.2 and 7.1 (both of which I've just compiled from source, no
special configure flags or anything) generate exactly the same (good)
code for fs/namespace.o after patching. I also tried with
CONFIG_CC_OPTIMIZE_FOR_SIZE=y just in case, but that still produces
reasonable code. Oh well.

Rasmus

\
 
 \ /
  Last update: 2017-11-15 00:53    [W:0.067 / U:8.300 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site