[PATCH v6 0/4] ARM: vfp: Introduce vfp_state_hold() to acquire VFP context.

Sebastian Andrzej Siewior bigeasy at linutronix.de
Wed Oct 2 09:22:04 PDT 2024


On 2024-08-08 11:17:36 [+0200], To linux-arm-kernel at lists.infradead.org wrote:
> On 2024-07-01 12:56:52 [+0200], To linux-arm-kernel at lists.infradead.org wrote:
> > There was a bug report on PREEMPT_RT which made me look into VFP locking
> > on ARM. The usage of local_bh_disable() to ensure exclusive access to
> > the VFP unit is not working on PREEMPT_RT because the softirq context is
> > preemptible.
> > 
> > This series introduces vfp_vfp_state_hold() which does the right thing.
> 
> is this okay now?

The patches were reviewed by Ard and I fixed the remaining parts as
suggested by Russell in my v5.
Arnd suggested recently to submit them to the patch system if there is
nothing outstanding which I just did. 9423/1 - 9426/1.
 
Sebastian



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