[Skiboot] [PATCH 1/2] hw/ipmi: Disable flash access when requested

[Stewart Smith]

Jeremy Kerr <jk at ozlabs.org> writes:
> +bool flash_reserve(void)
> +{
> +	return try_lock(&flash_lock);
> +}
> +
> +void flash_release(void)
> +{
> +	unlock(&flash_lock);
> +}

Re-iterating what said on IRC (and confirmed that a different patch is
in the works) that doesn't hold the lock for the duration of the
reservation, as this will likely trigger "not running pollers with locks
held"