On Fri, Jul 18, 2014 at 12:28 PM, Mikael Pettersson
wrote:
> John David Anglin writes:
> > Because the atomic sync functions in config/pa/linux-atomic.c are not
> > lock free, we need to use
> > __kernel_cmpxchg for the __sync_lock_release. This was found in
> > glibc's pthread_spin_unlock
>
On 7/18/2014 7:28 AM, Mikael Pettersson wrote:
John David Anglin writes:
> Because the atomic sync functions in config/pa/linux-atomic.c are not
> lock free, we need to use
> __kernel_cmpxchg for the __sync_lock_release. This was found in
> glibc's pthread_spin_unlock
> implementation.
John David Anglin writes:
> Because the atomic sync functions in config/pa/linux-atomic.c are not
> lock free, we need to use
> __kernel_cmpxchg for the __sync_lock_release. This was found in
> glibc's pthread_spin_unlock
> implementation.
>
> Tested on hppa-unknown-linux-gnu. Committ
Because the atomic sync functions in config/pa/linux-atomic.c are not
lock free, we need to use
__kernel_cmpxchg for the __sync_lock_release. This was found in
glibc's pthread_spin_unlock
implementation.
Tested on hppa-unknown-linux-gnu. Committed to trunk.
Dave
--
John David Anglin
