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xen-ia64-devel
Re: [Xen-ia64-devel] [PATCH] Fix vulnerability of copy_to_user in PAL em
Hi Tristan,
This is a workaround patch for xen-3.2.
I agree with you that xencomm-izing is a better solution.
I'll be happy to revert my patch after the xencommized version
will be applied.
Thanks,
Kouya
tgingold@xxxxxxx writes:
> I think your solution is not the right approach. We already have a mechanism
> to avoid TLB issues: xencomm, and I think we should re-use it.
>
> As we control the PAL (which is always in guest space), I think we should
> simply
> xencomm-ize it (Must be done both in the GFW and PV firmware).
>
> Tristan.
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