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Re: [Xen-devel] [PATCH] libxc: Fix xc_mem_event.c compilation for ARM

On 24/06/14 14:46, Julien Grall wrote:
> On 06/24/2014 02:16 PM, Ian Campbell wrote:
>> On Mon, 2014-06-23 at 16:34 +0100, Ian Jackson wrote:
>> FWIW I think the same issue with HVM parameters would impact 32-bit dom0
>> on x86 too, but I suppose the magic PFNs have the same property there
>> too. Luckily I think David's patches sorts it out at the root.
> On IRC, I pointed that the HVM param hypercall structure is using
> uint64_t for the value rather than the helpers in libxc use unsigned long.
> Even tho, it's not an issue for the magic PFN right now, a developer may
> want to add a new HVM param which requires a 64 bit value.
> Does David's series sort it out this problem?

Yes. It adds new xc_hvm_param_get() and xc_hvm_param_set() functions
that take uint64_t values and changes all callers (in tools/) to use them.


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