On 26/03/2020 08:50, Jürgen Groß wrote:
On 26.03.20 09:49, Jan Beulich wrote:
On 26.03.2020 08:24, Jürgen Groß wrote:
On 26.03.20 07:58, Jan Beulich wrote:
On 25.03.2020 17:13, Julien Grall wrote:
On 25/03/2020 10:55, Juergen Gross wrote:
@@ -143,51 +143,90 @@ static int qhimark = 1;
On 26.03.20 09:49, Jan Beulich wrote:
On 26.03.2020 08:24, Jürgen Groß wrote:
On 26.03.20 07:58, Jan Beulich wrote:
On 25.03.2020 17:13, Julien Grall wrote:
On 25/03/2020 10:55, Juergen Gross wrote:
@@ -143,51 +143,90 @@ static int qhimark = 1;
static int qlowmark = 100;
static in
On 26.03.2020 08:24, Jürgen Groß wrote:
> On 26.03.20 07:58, Jan Beulich wrote:
>> On 25.03.2020 17:13, Julien Grall wrote:
>>> On 25/03/2020 10:55, Juergen Gross wrote:
@@ -143,51 +143,90 @@ static int qhimark = 1;
static int qlowmark = 100;
static int rsinterval = 1000;
>
On 26.03.20 07:58, Jan Beulich wrote:
On 25.03.2020 17:13, Julien Grall wrote:
On 25/03/2020 10:55, Juergen Gross wrote:
@@ -143,51 +143,90 @@ static int qhimark = 1;
static int qlowmark = 100;
static int rsinterval = 1000;
-struct rcu_barrier_data {
- struct rcu_head head;
-
On 25.03.2020 17:13, Julien Grall wrote:
> On 25/03/2020 10:55, Juergen Gross wrote:
>> @@ -143,51 +143,90 @@ static int qhimark = 1;
>> static int qlowmark = 100;
>> static int rsinterval = 1000;
>> -struct rcu_barrier_data {
>> - struct rcu_head head;
>> - atomic_t *cpu_count;
>>
Hi Juergen,
On 25/03/2020 10:55, Juergen Gross wrote:
Today rcu_barrier() is calling stop_machine_run() to synchronize all
physical cpus in order to ensure all pending rcu calls have finished
when returning.
As stop_machine_run() is using tasklets this requires scheduling of
idle vcpus on all c
On 25.03.2020 11:55, Juergen Gross wrote:
> Today rcu_barrier() is calling stop_machine_run() to synchronize all
> physical cpus in order to ensure all pending rcu calls have finished
> when returning.
>
> As stop_machine_run() is using tasklets this requires scheduling of
> idle vcpus on all cpus
Today rcu_barrier() is calling stop_machine_run() to synchronize all
physical cpus in order to ensure all pending rcu calls have finished
when returning.
As stop_machine_run() is using tasklets this requires scheduling of
idle vcpus on all cpus imposing the need to call rcu_barrier() on idle
cpus
