[Bug 1910] An option for architecture-specific SMP locks

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Wed Nov 9 09:44:21 UTC 2011


Marta Rybczynska <marta.rybczynska at kalray.eu> changed:

           What    |Removed                     |Added
   Attachment #1323|0                           |1
        is obsolete|                            |
   Attachment #1368|0                           |1
        is obsolete|                            |

--- Comment #8 from Marta Rybczynska <marta.rybczynska at kalray.eu> 2011-11-09 03:44:19 CST ---
Created attachment 1369
  --> https://www.rtems.org/bugzilla/attachment.cgi?id=1369
Updated patch

Here's the updated patch. In includes:
* change of type of SMP_lock_spinlock_simple_Control to unsigned int
* addition of cache flush operations complementary to compare-and-swap

The second part may be resolved differently if we add per-cpu functions
_CPU_store_uncached() _CPU_load_unached()

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