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

Sebastian Andrzej Siewior bigeasy at linutronix.de
Thu Aug 8 02:17:36 PDT 2024


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?

Sebastian



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