"Aneesh Kumar K.V" writes:
> futex_detect_cmpxchg() does a cmpxchg_futex_value_locked on a NULL user addr
> to
> runtime detect whether architecture implements atomic cmpxchg for futex. POWER
> do implement the feature and hence we can enable the config instead of
> depending
> on runtime detec
Nicholas Piggin writes:
> On 27 Feb. 2018 00:34, "Aneesh Kumar K.V"
> wrote:
>
> futex_detect_cmpxchg() does a cmpxchg_futex_value_locked on a NULL user
> addr to
> runtime detect whether architecture implements atomic cmpxchg for futex.
> POWER
> do implement the feature and hence we can enable
On 27 Feb. 2018 00:34, "Aneesh Kumar K.V"
wrote:
futex_detect_cmpxchg() does a cmpxchg_futex_value_locked on a NULL user
addr to
runtime detect whether architecture implements atomic cmpxchg for futex.
POWER
do implement the feature and hence we can enable the config instead of
depending
on runti
futex_detect_cmpxchg() does a cmpxchg_futex_value_locked on a NULL user addr to
runtime detect whether architecture implements atomic cmpxchg for futex. POWER
do implement the feature and hence we can enable the config instead of depending
on runtime detection.
We could possible enable this on eve
