Re: [Xen-devel] [PATCH 03/10] arm64: Add ICV_BPR1_EL1 handler

[Manish Jaggi <mjaggi@xxxxxxxxxxxxxxxxxx>]

On 01/25/2018 10:14 PM, Julien Grall wrote:
> Hi Manish,
>
> On 16/01/18 15:42, mjaggi@xxxxxxxxxxxxxxxxxx wrote:
> > From: Manish Jaggi <manish.jaggi@xxxxxxxxxx>
> >
> > Add a handler for reading/writing the guest's view of the ICC_BPR1_EL1
> > register, which is located in the ICH_VMCR_EL2.BPR1 field.
> This commit (and likely the followings) is coming from Linux, right? 
> If it matches commit from Linux, then you need to keep tags and point 
> to the Linux commit. See commit 7762c2d6f4 in Xen as an example to how 
> to do it.
> If you make changes for Xen, then write "Adapted for Xen...".
ok
> But looking at the patch the major difference is you use Xen coding 
> style. The rest is pretty much use Xen name for access register and 
> adding missing define.
> I think it would be beneficial for Xen to re-use Linux code. The 
> compatibility layer should be very limited. Stefano any opinions?
So when you mean linux code, you refer to a patch or importing the code 
file from linux ?
> Cheers,

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