On Thu, 2017-01-26 at 18:05 +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2017-01-25 at 09:24 +0530, Balbir Singh wrote:
> > That makes sense. We then wait for the right gcc version? I guess
> > we
> > also
> > push for per-task gaurd value as opposed to a global one?
>
> I'm thinking per-cpu wil
On Wed, 2017-01-25 at 09:24 +0530, Balbir Singh wrote:
> That makes sense. We then wait for the right gcc version? I guess we
> also
> push for per-task gaurd value as opposed to a global one?
I'm thinking per-cpu will be easier as r13 is readily available as
PACA.
Cheers,
Ben.
On Wed, Jan 25, 2017 at 09:24:53AM +0530, Balbir Singh wrote:
> > So my inclination is to revert the powerpc stack protector code for
> > 4.10, and we can try again for 4.11 or 12.
>
> That makes sense. We then wait for the right gcc version? I guess we also
> push for per-task gaurd value as oppo
On Tue, Jan 24, 2017 at 03:09:40PM +1100, Michael Ellerman wrote:
> Michael Ellerman writes:
>
> > # zgrep STACKPROTECTOR /proc/config.gz
> > CONFIG_HAVE_CC_STACKPROTECTOR=y
> > CONFIG_CC_STACKPROTECTOR=y
> > CONFIG_CC_STACKPROTECTOR_REGULAR=y
> >
> > I guess I'm just lucky?
>
> No, I'm just us
Michael Ellerman writes:
> Segher Boessenkool writes:
>
>> On Mon, Jan 23, 2017 at 07:10:00PM -0500, Jan Stancek wrote:
>>> I'm running into panics with stack protector enabled on ppc64le
>>
>>> I came across following gcc commit:
>>>
>>> https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=0d55f4d0
Segher Boessenkool writes:
> On Mon, Jan 23, 2017 at 07:10:00PM -0500, Jan Stancek wrote:
>> I'm running into panics with stack protector enabled on ppc64le
>
>> I came across following gcc commit:
>>
>> https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=0d55f4d0aeaeb16629a2c07c96a190695b83a7e6
>>
On Mon, Jan 23, 2017 at 07:10:00PM -0500, Jan Stancek wrote:
> I'm running into panics with stack protector enabled on ppc64le
> I came across following gcc commit:
>
> https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=0d55f4d0aeaeb16629a2c07c96a190695b83a7e6
> which mentions offset above:
> "If
On 01/23/2017 04:10 PM, Jan Stancek wrote:
> Hi,
>
> I'm running into panics with stack protector enabled on ppc64le
> lpar (IBM,8408-E8E), starting with:
>
> commit 6533b7c16ee5712041b4e324100550e02a9a5dda
> Author: Christophe Leroy
> Date: Tue Nov 22 11:49:30 2016 +0100
> powerpc: Initia
Hi,
I'm running into panics with stack protector enabled on ppc64le
lpar (IBM,8408-E8E), starting with:
commit 6533b7c16ee5712041b4e324100550e02a9a5dda
Author: Christophe Leroy
Date: Tue Nov 22 11:49:30 2016 +0100
powerpc: Initial stack protector (-fstack-protector) support
CONFIG_HAVE_CC
