Re: [Xen-devel] [PATCH ARM v8 2/4] mini-os: arm: interrupt controller

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2014-10-21 at 15:26 +0100, Julien Grall wrote:
> Our implementation of ITARGETSR doesn't handle correctly read/write per
> byte. If the register is RO (such as for the SGIs and PPIs), our write
> ignore is checking that the guest is writing a word.

That's a bug.

> Even though we need to fix it in Xen (I could send a patch for it). We
> need to keep this implementation if we want mini-os to run on Xen 4.4.x.

We should fix bugs, not workaround them in the guest.



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