Re: [PATCH] xen: remove stray preempt_disable() from PV AP startup code

[Boris Ostrovsky]

On 8/25/21 7:31 AM, Juergen Gross wrote:
> In cpu_bringup() there is a call of preempt_disable() without a paired
> preempt_enable(). This is not needed as interrupts are off initially.
> Additionally this will result in early boot messages like:
>
> BUG: scheduling while atomic: swapper/1/0/0x00000002
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>