Re: [Xen-devel] Backport candidate for Arm

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

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.


> > For 4.9+ to make the interrupt path safer by adding missing barriers
> > 
> > 177afec455    xen/arm: gic: Ensure we have an ISB between ack and do_IRQ()
> > 555e5f1bd2      xen/arm: gic: Ensure ordering between read of INTACK and
> > shared data
> > 
> > For 4.9+ to comply with the binding description
> > 
> > 3689c54630    xen/arm: check for multiboot nodes only under /chosen
> > 
> > Cheers,
> > 
> 
> -- 
> Julien Grall
>

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