* Maarten Lankhorst <maarten.lankho...@canonical.com> wrote:
> Changes since RFC patch v1:
> - Updated to use atomic_long instead of atomic, since the reservation_id was
> a long.
> - added mutex_reserve_lock_slow and mutex_reserve_lock_intr_slow
> - removed mutex_locked_set_reservation_id (or w/e it was called)
> Changes since RFC patch v2:
> - remove use of __mutex_lock_retval_arg, add warnings when using wrong
> combination of
> mutex_(,reserve_)lock/unlock.
> Changes since v1:
> - Add __always_inline to __mutex_lock_common, otherwise reservation paths
> can be
> triggered from normal locks, because __builtin_constant_p might evaluate
> to false
> for the constant 0 in that case. Tests for this have been added in the
> next patch.
> - Updated documentation slightly.
> Changes since v2:
> - Renamed everything to ww_mutex. (mlankhorst)
> - Added ww_acquire_ctx and ww_class. (mlankhorst)
> - Added a lot of checks for wrong api usage. (mlankhorst)
> - Documentation updates. (danvet)
> Changes since v3:
> - Small documentation fixes (robclark)
> - Memory barrier fix (danvet)
> Changes since v4:
> - Remove ww_mutex_unlock_single and ww_mutex_lock_single.
> - Rename ww_mutex_trylock_single to ww_mutex_trylock.
> - Remove separate implementations of ww_mutex_lock_slow*, normal
> functions can be used. Inline versions still exist for extra
> debugging.
> - Cleanup unneeded memory barriers, add comment to the remaining
> smp_mb().
That's not a proper changelog. It should be a short description of what it
does, possibly referring to the new Documentation/ww-mutex-design.txt file
for more details.
> Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com>
> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> Signed-off-by: Rob Clark <robdcl...@gmail.com>
That's not a valid signoff chain: the last signoff in the chain is the
person sending me the patch. The first signoff is the person who wrote the
patch. The other two gents should be Acked-by I suspect?
Thanks,
Ingo
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