On Fri, Jul 29, 2016 at 11:22:18AM -0600, Jeff Law wrote:
> On 07/29/2016 11:19 AM, Gleb Natapov wrote:
>
> > > I'll table your patch on that assumption.
> > OK. Can you ping him about it after he will back or should I (although in
> > another week I will be on PTO :))? We are suffering from unwin
On Fri, Jul 29, 2016 at 10:54:21AM -0600, Jeff Law wrote:
> On 07/29/2016 10:03 AM, Jeff Law wrote:
> > > > It's been a couple years since I've really thought about these kinds of
> > > > synchronization issues -- is it really safe in a weakly ordered
> > > > processor to
> > > > rely on the mutex
On 07/29/2016 11:19 AM, Gleb Natapov wrote:
I'll table your patch on that assumption.
OK. Can you ping him about it after he will back or should I (although in
another week I will be on PTO :))? We are suffering from unwind
scalability problems in C++ exceptions and although this one patch will
On Fri, Jul 29, 2016 at 10:03:53AM -0600, Jeff Law wrote:
> On 07/27/2016 10:24 PM, Gleb Natapov wrote:
> > On Wed, Jul 27, 2016 at 05:12:18PM -0600, Jeff Law wrote:
> > > On 07/25/2016 07:44 AM, Gleb Natapov wrote:
> > > > _Unwind_Find_FDE calls _Unwind_Find_registered_FDE and it takes lock
> > >
On 07/29/2016 10:03 AM, Jeff Law wrote:
It's been a couple years since I've really thought about these kinds of
synchronization issues -- is it really safe in a weakly ordered
processor to
rely on the mutex lock/unlock of the "object_mutex" to order the
loads/stores of "unseen_objects" and "seen_
On 07/27/2016 10:24 PM, Gleb Natapov wrote:
On Wed, Jul 27, 2016 at 05:12:18PM -0600, Jeff Law wrote:
On 07/25/2016 07:44 AM, Gleb Natapov wrote:
_Unwind_Find_FDE calls _Unwind_Find_registered_FDE and it takes lock even
when there is no registered objects. As far as I see only statically
linked
On Wed, Jul 27, 2016 at 05:12:18PM -0600, Jeff Law wrote:
> On 07/25/2016 07:44 AM, Gleb Natapov wrote:
> > _Unwind_Find_FDE calls _Unwind_Find_registered_FDE and it takes lock even
> > when there is no registered objects. As far as I see only statically
> > linked applications call __register_fram
On 07/25/2016 07:44 AM, Gleb Natapov wrote:
_Unwind_Find_FDE calls _Unwind_Find_registered_FDE and it takes lock even
when there is no registered objects. As far as I see only statically
linked applications call __register_frame_info* functions, so for
dynamically linked executables taking the lo
_Unwind_Find_FDE calls _Unwind_Find_registered_FDE and it takes lock even
when there is no registered objects. As far as I see only statically
linked applications call __register_frame_info* functions, so for
dynamically linked executables taking the lock to check unseen_objects
and seen_objects is