Re: [Xen-devel] Backport candidate for Arm

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 1/26/19 1:30 AM, Stefano Stabellini wrote:
> On Mon, 21 Jan 2019, Julien Grall wrote:
> > Hi,
> >
> > Ping?
> >
> > Cheers,
> >
> > On 30/11/2018 17:25, Julien Grall wrote:
> > > Hi,
> > >
> > > Below a list of backport candidate for Arm.
> > >
> > >
> > > For Xen 4.10+ to handle correctly SMC call parameters and result
> > >
> > > 35fc608612    xen/arm: smccc-1.1: Make return values unsigned long
> > > fa7974f743      xen/arm: smccc-1.1: Handle function result as parameters
> > >
> > > For Xen 4.9+ to avoid Dom0 crash when using less vCPUs than pCPUs on GICv3
> > >
> > > 703d9d5ec1      xen/arm: vgic-v3: Delay the initialization of the domain
> > > information
> > > 54ec59f6b0       xen/arm: vgic-v3: Don't create empty re-distributor regions
> > >
> > > The following patch is required in Xen 4.11 to avoid breaking the new vGIC
> > > after applying the 2 previous patches.
> > >
> > > 62aa9e7f1b    xen/arm: Don't build GICv3 with the new vGIC
> For the moment I skipped 54ec59f6b0 and 62aa9e7f1b because 62aa9e7f1b is
> not a trivial backport. Everything else is done.
Thank you for backporting the patches. I think it was a bit odd to apply 
patch 703d9d5ec1 without the 2 patches. Anyway, below a replacement 
patch for 62aa9e7f1b.
diff --cc xen/arch/arm/Kconfig
index 8174c0c635,581de67b6b..0000000000
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@@ -12,7 -12,6 +12,7 @@@ config ARM_3
  config ARM_64
        def_bool y
        depends on 64BIT
-       select HAS_GICV3
++      select HAS_GICV3 if !NEW_VGIC

  config ARM
        def_bool y

Cheers,

--
Julien Grall

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