8 Sep
2021
8 Sep
'21
2:26 p.m.
On Wed, Sep 08, 2021 at 12:28:05PM +0100, Srinivas Kandagatla wrote:
On 07/09/2021 16:04, Pierre-Louis Bossart wrote:
+ spin_lock(&apm->lock); + idr_alloc(&apm->graph_idr, graph, graph_id, + graph_id + 1, GFP_ATOMIC);
does this need to be ATOMIC?
We are inside spinlock.
but this is not used in an interrupt handler or anything that isn't in a process context, is it?
No, it is in process context only.
So why is it a spinlock then?