Frederic,
On Tue, Nov 24 2020 at 01:13, Frederic Weisbecker wrote:
> On Tue, Nov 24, 2020 at 01:06:15AM +0100, Thomas Gleixner wrote:
>> Good point. Haven't thought about that. Let me have a look again.
>
> But I'm cooking a patchset which moves account_irq_enter_time() after
> HARDIRQ_OFFSET or S
On Tue, Nov 24, 2020 at 01:06:15AM +0100, Thomas Gleixner wrote:
> On Tue, Nov 24 2020 at 00:58, Frederic Weisbecker wrote:
> > On Mon, Nov 23, 2020 at 08:27:33PM +0100, Thomas Gleixner wrote:
> >> On Mon, Nov 23 2020 at 14:44, Frederic Weisbecker wrote:
> >> > On Fri, Nov 13, 2020 at 03:02:21PM +0
On Tue, Nov 24 2020 at 00:58, Frederic Weisbecker wrote:
> On Mon, Nov 23, 2020 at 08:27:33PM +0100, Thomas Gleixner wrote:
>> On Mon, Nov 23 2020 at 14:44, Frederic Weisbecker wrote:
>> > On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
>> >> + /*
>> >> + * Adjust softirq count to
On Mon, Nov 23, 2020 at 08:27:33PM +0100, Thomas Gleixner wrote:
> On Mon, Nov 23 2020 at 14:44, Frederic Weisbecker wrote:
> > On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
> >> + /*
> >> + * Adjust softirq count to SOFTIRQ_OFFSET which makes
> >> + * in_serving_softirq() b
On Mon, Nov 23, 2020 at 08:27:33PM +0100, Thomas Gleixner wrote:
> On Mon, Nov 23 2020 at 14:44, Frederic Weisbecker wrote:
> > On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
> >> + /*
> >> + * Adjust softirq count to SOFTIRQ_OFFSET which makes
> >> + * in_serving_softirq() b
On Mon, Nov 23 2020 at 14:44, Frederic Weisbecker wrote:
> On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
>> +/*
>> + * Adjust softirq count to SOFTIRQ_OFFSET which makes
>> + * in_serving_softirq() become true.
>> + */
>> +cnt = SOFTIRQ_OFFSET;
>> +__local
On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
> +void __local_bh_enable_ip(unsigned long ip, unsigned int cnt)
> +{
> + bool preempt_on = preemptible();
> + unsigned long flags;
> + u32 pending;
> + int curcnt;
> +
> + WARN_ON_ONCE(in_irq());
> + lockdep_a
On Fri, Nov 20 2020 at 01:26, Frederic Weisbecker wrote:
> On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
>> +void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
>> +{
>> +unsigned long flags;
>> +int newcnt;
>> +
>> +WARN_ON_ONCE(in_hardirq());
>> +
>> +
On Fri, Nov 13, 2020 at 03:02:21PM +0100, Thomas Gleixner wrote:
> +void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
> +{
> + unsigned long flags;
> + int newcnt;
> +
> + WARN_ON_ONCE(in_hardirq());
> +
> + /* First entry of a task into a BH disabled section? */
> +
Provide a local lock based serialization for soft interrupts on RT which
allows the local_bh_disabled() sections and servicing soft interrupts to be
preemptible.
Provide the necessary inline helpers which allow to reuse the bulk of the
softirq processing code.
Signed-off-by: Thomas Gleixner
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