Messages in this thread | | | Date | Tue, 22 May 2018 13:10:04 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH RT] arm64: fpsimd: use a local_lock() in addition to local_bh_disable() |
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On Thu, 17 May 2018 14:40:06 +0200 Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> +static DEFINE_LOCAL_IRQ_LOCK(fpsimd_lock); > /* > * Update current's FPSIMD/SVE registers from thread_struct. > * > @@ -594,6 +595,7 @@ int sve_set_vector_length(struct task_struct *task, > * non-SVE thread. > */ > if (task == current) { > + local_lock(fpsimd_lock); > local_bh_disable();
I'm surprised that we don't have a "local_lock_bh()"?
-- Steve
> > task_fpsimd_save();
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