On 10/10/2018 20:24, Matthew Auld wrote:
On Wed, 10 Oct 2018 at 19:55, Lionel Landwerlin
<lionel.g.landwerlin@xxxxxxxxx> wrote:
If 2 processes race to open the perf stream, it's possible that one of them
will see that OA buffer has already been allocated, while a previous process
is still finishing to reprogram the hardware (on gen8+).
The opening sequence has been reworked a few times and we probably lost
track of the order in which things are supposed to happen.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Accidental resend, or did the locking actually change recently?
Indeed.... Sorry for that, dropping for good!
-
Lionel
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