Am Donnerstag, 21. Mai 2015, 05:44:08 schrieb Herbert Xu:
Hi Herbert,
> On Wed, May 20, 2015 at 10:03:45PM +0200, Stephan Mueller wrote:
> >> @@ -1487,6 +1514,7 @@ unlock:
> > */
> >
> > static int drbg_uninstantiate(struct drbg_state *drbg)
> > {
> >
> > + cancel_work_sync(&drbg->seed_w
On Thu, May 21, 2015 at 08:53:13AM +0200, Stephan Mueller wrote:
>
> Thank you for pointing that out - I have seen that too. But the crux is that
> when using wait_event, the cancel function to serialize the destruction code
> path will *not* return at all, even when the async callback function
Am Donnerstag, 21. Mai 2015, 14:36:18 schrieb Herbert Xu:
Hi Herbert,
>On Thu, May 21, 2015 at 08:10:13AM +0200, Stephan Mueller wrote:
>> The cancel operation is needed as otherwise my drbg context handle will be
>> removed by the crypto API during the sleep. That is the whole reason why
>> wait
On Thu, May 21, 2015 at 08:10:13AM +0200, Stephan Mueller wrote:
>
> The cancel operation is needed as otherwise my drbg context handle will be
> removed by the crypto API during the sleep. That is the whole reason why
> wait_event_interruptible is used.
>
> So, even when using an uninterruptibl
Am Donnerstag, 21. Mai 2015, 05:44:08 schrieb Herbert Xu:
Hi Herbert,
> On Wed, May 20, 2015 at 10:03:45PM +0200, Stephan Mueller wrote:
> >> @@ -1487,6 +1514,7 @@ unlock:
> > */
> >
> > static int drbg_uninstantiate(struct drbg_state *drbg)
> > {
> >
> > + cancel_work_sync(&drbg->seed_w
On Wed, May 20, 2015 at 10:03:45PM +0200, Stephan Mueller wrote:
>> @@ -1487,6 +1514,7 @@ unlock:
> */
> static int drbg_uninstantiate(struct drbg_state *drbg)
> {
> + cancel_work_sync(&drbg->seed_work);
This will just block until the work is done, i.e., until the
pool is ready. It's no d
The async seeding operation is triggered during initalization right
after the first non-blocking seeding is completed. As required by the
asynchronous operation of random.c, a callback function is provided that
is triggered by random.c once entropy is available. That callback
function performs the
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