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Re: [Xen-devel] Backport requests to stable for Xen ARM

>>> On 16.05.16 at 16:28, <julien.grall@xxxxxxx> wrote:
> It has been a while without any ARM backport request. Ian Campbell
> used to keep a list of backport fixes for Xen ARM and apply them
> to stable. Now that he left, I am not sure who will do it.
> I would be fine to keep the list of patches, although I am not
> a committer. Stefano do you plan to apply the backport?

That would be my preference, but I could take care of such if Stefano
can't (but of course provided with actual backports in case the original
patches don't apply cleanly).

> I would like to request backport for the following patches:
> xen/arm: traps: Correctly interpret the content of the register HPFAR_EL2 
> commit c0516182ff86d77375c35517036535c0df61c7e1 and depends on commit 
> edd429c9cc2af99df9dda10002cc59011edf0cac
> up to Xen 4.4
> xen/arm: Force broadcast of TLB and instruction cache maintenance 
> instructions
> commit e2faa286faa36da36ee14f6bc973043013001724
> up to Xen 4.4

For both of those please note that 4.4 is in security-only
maintenance mode, and hence shouldn't be getting non-security
backports anymore unless those are needed as a prereq.


> arm: Fix asynchronous aborts (SError exceptions) due to bogus PTE
> commit 0ebb6832f043ecfc6a3dcab8a7ba5c4070901ab7
> up to Xen 4.5
> xen/arm: ignore writes to GICD_ICACTIVER ... GICD_ICACTIVERN
> commit 68778eeaa3babedba9677400f63f1e7564bba561
> up to Xen 4.6
> xen/arm64: ensure that the correct SP is used for exceptions
> commit b7e5aee0a36487d6205c1633add25fd430d3b6d7
> Note that whilst it would be nice to get
> "xen/arm64: correctly emulate the {w, x}zr registers" backported,
> the patch depends on lots of IO emulation rework. So I have
> not included it in the backport request.
> Regards,
> -- 
> Julien Grall

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