Displaying 3 results from an estimated 3 matches for "policy_dbs".
2016 Nov 25
3
[PATCH 0/3] virtio/vringh: kill off ACCESS_ONCE()
On Fri, Nov 25, 2016 at 04:21:39PM +0100, Dmitry Vyukov wrote:
>
> READ/WRITE_ONCE imply atomicity. Even if their names don't spell it (a
> function name doesn't have to spell all of its guarantees). Most of
> the uses of READ/WRITE_ONCE will be broken if they are not atomic.
In practice, this is certainly the assumption made by many/most users of
the *_ONCE() accessors.
2016 Nov 25
3
[PATCH 0/3] virtio/vringh: kill off ACCESS_ONCE()
...rror: Need native
word sized stores/loads for atomicity.
aux_size = ACCESS_ONCE(rb->user_page->aux_size);
drivers/cpufreq/cpufreq_governor.c:283:8: error: call to
?__compiletime_assert_283? declared with attribute error: Need native
word sized stores/loads for atomicity.
lst = READ_ONCE(policy_dbs->last_sample_time);
^
drivers/cpufreq/cpufreq_governor.c:301:7: error: call to
?__compiletime_assert_301? declared with attribute error: Need native
word sized stores/loads for atomicity.
if (unlikely(lst != READ_ONCE(policy_dbs->last_sample_time))) {
net/core/gen_estimator.c:136:...
2016 Nov 25
3
[PATCH 0/3] virtio/vringh: kill off ACCESS_ONCE()
...rror: Need native
word sized stores/loads for atomicity.
aux_size = ACCESS_ONCE(rb->user_page->aux_size);
drivers/cpufreq/cpufreq_governor.c:283:8: error: call to
?__compiletime_assert_283? declared with attribute error: Need native
word sized stores/loads for atomicity.
lst = READ_ONCE(policy_dbs->last_sample_time);
^
drivers/cpufreq/cpufreq_governor.c:301:7: error: call to
?__compiletime_assert_301? declared with attribute error: Need native
word sized stores/loads for atomicity.
if (unlikely(lst != READ_ONCE(policy_dbs->last_sample_time))) {
net/core/gen_estimator.c:136:...