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Re: [Xen-devel] [PATCH] HVM guests are allowed to use the entire virtual address space for

On 25/05/2010 16:14, "Tim Deegan" <Tim.Deegan@xxxxxxxxxxxxx> wrote:

> At 16:04 +0100 on 25 May (1274803495), Keir Fraser wrote:
>> I think this is already handled correctly by guest_access.h, which is what
>> really matters. Nowadays copy_{to,from}_user (but not __copy_{to,from}_user)
>> are mainly for private usage only by the guest-access macros, and just a few
>> other arch-dependent PV_specific bits of code. Of course the __ versions are
>> still generally useful as 'copy but catch any fault' functions.
> OK, can I suggest the attached change instead?  It brings the
> compat guest-handle macros in line with the normal ones.

Yeah, that's a good bug fix.


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