On Wed, Feb 01, 2023 at 08:57:27AM -0800, Josh Poimboeuf wrote:
> On Wed, Feb 01, 2023 at 11:10:20AM +, Mark Rutland wrote:
> > On Tue, Jan 31, 2023 at 08:38:32AM -0800, Josh Poimboeuf wrote:
> > > On Tue, Jan 31, 2023 at 10:22:09AM +, Mark Rutland wrote:
> > > > > Hm, it might be nice if
On Tue, Jan 31, 2023 at 08:38:32AM -0800, Josh Poimboeuf wrote:
> On Tue, Jan 31, 2023 at 10:22:09AM +, Mark Rutland wrote:
> > > Hm, it might be nice if our out-of-line static call implementation would
> > > automatically do a static key check as part of static_call_cond() for
> > > NULL-type
On Mon, Jan 30, 2023 at 11:48:23AM -0800, Josh Poimboeuf wrote:
> On Mon, Jan 30, 2023 at 06:36:32PM +, Mark Rutland wrote:
> > On Mon, Jan 30, 2023 at 01:40:18PM +0100, Peter Zijlstra wrote:
> > > On Fri, Jan 27, 2023 at 02:11:31PM -0800, Josh Poimboeuf wrote:
> > > > @@ -8500,8 +8502,10 @@
On Mon, Jan 30, 2023 at 11:59:30AM -0800, Josh Poimboeuf wrote:
> @@ -8662,16 +8665,19 @@ void sched_dynamic_update(int mode)
>
> switch (mode) {
> case preempt_dynamic_none:
> - preempt_dynamic_enable(cond_resched);
> + if (!klp_override)
> +
On Mon, Jan 30, 2023 at 01:40:18PM +0100, Peter Zijlstra wrote:
> On Fri, Jan 27, 2023 at 02:11:31PM -0800, Josh Poimboeuf wrote:
> > @@ -8500,8 +8502,10 @@ EXPORT_STATIC_CALL_TRAMP(might_resched);
> > static DEFINE_STATIC_KEY_FALSE(sk_dynamic_cond_resched);
> > int __sched
On Fri, Jan 27, 2023 at 02:11:31PM -0800, Josh Poimboeuf wrote:
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 4df2b3e76b30..fbcd3acca25c 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -36,6 +36,7 @@
> #include
> #include
> #include
>
On Fri 2023-01-27 08:57:40, Seth Forshee wrote:
> On Fri, Jan 27, 2023 at 12:19:03PM +0100, Petr Mladek wrote:
> > Could you please provide some more details about the test system?
> > Is there anything important to make it reproducible?
> >
> > The following aspects come to my mind. It might
On Fri 2023-01-27 11:37:02, Peter Zijlstra wrote:
> On Thu, Jan 26, 2023 at 08:43:55PM -0800, Josh Poimboeuf wrote:
> > On Thu, Jan 26, 2023 at 03:12:35PM -0600, Seth Forshee (DigitalOcean) wrote:
> > > On Thu, Jan 26, 2023 at 06:03:16PM +0100, Petr Mladek wrote:
> > > > On Fri 2023-01-20
On Thu 2023-01-26 15:12:35, Seth Forshee (DigitalOcean) wrote:
> On Thu, Jan 26, 2023 at 06:03:16PM +0100, Petr Mladek wrote:
> > On Fri 2023-01-20 16:12:20, Seth Forshee (DigitalOcean) wrote:
> > > We've fairly regularaly seen liveptches which cannot transition within
> > > kpatch's
> > >
On Thu, Jan 26, 2023 at 08:43:55PM -0800, Josh Poimboeuf wrote:
> On Thu, Jan 26, 2023 at 03:12:35PM -0600, Seth Forshee (DigitalOcean) wrote:
> > On Thu, Jan 26, 2023 at 06:03:16PM +0100, Petr Mladek wrote:
> > > On Fri 2023-01-20 16:12:20, Seth Forshee (DigitalOcean) wrote:
> > > > We've fairly
On Fri 2023-01-20 16:12:20, Seth Forshee (DigitalOcean) wrote:
> We've fairly regularaly seen liveptches which cannot transition within
> kpatch's
> timeout period due to busy vhost worker kthreads.
I have missed this detail. Miroslav told me that we have solved
something similar some time ago,
On Fri, Jan 20, 2023 at 04:12:20PM -0600, Seth Forshee (DigitalOcean) wrote:
> We've fairly regularaly seen liveptches which cannot transition within
> kpatch's
> timeout period due to busy vhost worker kthreads. In looking for a solution
> the
> only answer I found was to call
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