Re: [Xen-devel] [PATCH RFC for-4.13 04/10] xen/arm: Ensure the SSBD workaround is re-enabled right after exiting a guest

[Julien Grall <julien.grall@xxxxxxx>]

On 30/09/2019 13:14, Volodymyr Babchuk wrote:
> Hi Julien,
>
> Julien Grall writes:
>
> > At the moment, SSBD workaround is re-enabled for Xen after interrupts
> > are unmasked. This means we may end up to execute some part of the
> > hypervisor if an interrupt is received before the workaround is
> > re-enabled.
> >
> > As the rest of enter_hypervisor_from_guest() does not require to have
> > interrupts masked, the function is now split in two parts:
> >      1) enter_hypervisor_from_guest_noirq() called with interrupts
> >         masked.
> To summarize our discussion in this mail thread: providing that you'll
> rename enter_hypervisor_from_guest_noirq to
> enter_hypervisor_from_guest_preirq():
>
> Reviewed-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
Thank you. I will try to summarize the discussion we had in the commit message. 
So we know the rationale of the split here.
Cheers,

--
Julien Grall

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