Re: [RFC PATCH 09/26] x86/paravirt: Add runtime_patch()

[Peter Zijlstra]

On Tue, Apr 07, 2020 at 10:03:06PM -0700, Ankur Arora wrote:
> +/*
> + * preempt_enable_no_resched() so we don't add any preemption points until
> + * after the caller has returned.
> + */
> +#define preempt_enable_runtime_patch()	preempt_enable_no_resched()
> +#define preempt_disable_runtime_patch()	preempt_disable()

NAK, this is probably a stright preemption bug, also, afaict, there
aren't actually any users of this in the patch-set.