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d3f3e5e438
Userspace should be free to race against itself and shoot itself in the foot if it so desires to adjust a parameter at the same time as submitting a batch to that context. As such, the struct_mutex in context setparam is only being used to serialise userspace against itself and not for any protection of internal structs and so is superfluous. v2: Separate user_flags from internal flags to reduce chance of interference; and use locked bit ops for user updates. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180911132206.23032-1-chris@chris-wilson.co.uk |
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