Hope I created the patch correctly. Pls let me know if this is incorrect, otherwise pls add it to repository.
Thanks, Nitin On Tue, Feb 1, 2011 at 1:13 AM, Khem Raj <[email protected]> wrote: > On (01/02/11 00:32), Nitin Garg wrote: >> Recently we came accross an issue on ARMv7 processors while running >> multiple threads. If say 3 threads are running continuously, 1 or 2 >> might get locked somewhere. If we attach gdb and run again, all 3 >> threads start executing for a while and after some time 1 or 2 threads >> gets locked-up again. The backtrace showed the threads are stuck in >> __pthread_mutex_lock (atomic_compare_and_exchange_val_acq). >> >> We noticed that the atomic compare and exchange functions are not >> atomic for ARM. Once we added the Atomic compare and exchange >> function, the problem was resolved. >> >> Pls see below patch for review and kindly add it to next release. > > This looks ok to me but you have to send a properly formatted and > signed-off patch so it can be tested and included. Using git format-patch > and git send-email is your best bet > > -Khem >
0001-Add-ARM-atomic-functions.patch
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