On Thu, 2014-11-27 at 14:50 -0600, Segher Boessenkool wrote:
> On Thu, Nov 27, 2014 at 11:41:40AM -0600, Peter Bergner wrote:
> > On Thu, 2014-11-27 at 10:08 -0600, Segher Boessenkool wrote:
> > > On Wed, Nov 26, 2014 at 05:50:27PM -0600, Peter Bergner wrote:
> > > > Nope, you don't get a SIGILL wh
On Thu, Nov 27, 2014 at 11:41:40AM -0600, Peter Bergner wrote:
> On Thu, 2014-11-27 at 10:08 -0600, Segher Boessenkool wrote:
> > On Wed, Nov 26, 2014 at 05:50:27PM -0600, Peter Bergner wrote:
> > > Nope, you don't get a SIGILL when executing 64-bit instructions in
> > > 32-bit mode, so it'll happi
Segher Boessenkool writes:
> On Wed, Nov 26, 2014 at 05:50:27PM -0600, Peter Bergner wrote:
>> On Thu, 2014-11-27 at 09:38 +1100, Michael Ellerman wrote:
>> > On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
>> > > I used some 64 bit instructions when adding the 32 bit getcpu VDSO
>> > >
On Thu, 2014-11-27 at 10:08 -0600, Segher Boessenkool wrote:
> On Wed, Nov 26, 2014 at 05:50:27PM -0600, Peter Bergner wrote:
> > Nope, you don't get a SIGILL when executing 64-bit instructions in
> > 32-bit mode, so it'll happily just execute the instruction, doing
> > a full 64-bit compare. I'm
On Wed, Nov 26, 2014 at 05:50:27PM -0600, Peter Bergner wrote:
> On Thu, 2014-11-27 at 09:38 +1100, Michael Ellerman wrote:
> > On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
> > > I used some 64 bit instructions when adding the 32 bit getcpu VDSO
> > > function. Fix it.
> >
> > Ouch. T
On Thu, 2014-11-27 at 09:38 +1100, Michael Ellerman wrote:
> On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
> > I used some 64 bit instructions when adding the 32 bit getcpu VDSO
> > function. Fix it.
>
> Ouch. The symptom is a SIGILL I presume?
Nope, you don't get a SIGILL when execut
On Wed, Nov 26, 2014 at 05:23:18PM -0600, Segher Boessenkool wrote:
> GCC has added -many to the assembler flags for over ten years now, so
> no that will not work. You can use -mppc or similar with the assembler
> if you invoke it correctly (use $(CC) -print-prog-name=as to figure
s/correctly/d
On Thu, Nov 27, 2014 at 09:38:17AM +1100, Michael Ellerman wrote:
> On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
> > I used some 64 bit instructions when adding the 32 bit getcpu VDSO
> > function. Fix it.
>
> Ouch. The symptom is a SIGILL I presume?
>
> Could we catch this by forcin
On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
> I used some 64 bit instructions when adding the 32 bit getcpu VDSO
> function. Fix it.
Ouch. The symptom is a SIGILL I presume?
Could we catch this by forcing -m32 in the CFLAGS for vdso32 ?
cheers
