On 9/24/2020 3:42 AM, pet...@infradead.org wrote:
> On Wed, Sep 23, 2020 at 10:00:41AM -0500, George Prekas wrote:
>> If an interrupt arrives between llist_add and
>> send_call_function_single_ipi in the following code snippet, then the
>> remote CPU will not receive the IPI in a timely manner and
On Wed, Sep 23, 2020 at 10:00:41AM -0500, George Prekas wrote:
> If an interrupt arrives between llist_add and
> send_call_function_single_ipi in the following code snippet, then the
> remote CPU will not receive the IPI in a timely manner and subsequent
> SMP calls even from other CPUs for other f
If an interrupt arrives between llist_add and
send_call_function_single_ipi in the following code snippet, then the
remote CPU will not receive the IPI in a timely manner and subsequent
SMP calls even from other CPUs for other functions will be delayed:
if (llist_add(node, &per_cpu(call_singl
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