On 16/02/15 14:49, Ian Jackson wrote:
> Ian Jackson writes ("Re: [PATCH v2] libxc: introduce a per architecture
> scratch pfn for temporary grant mapping"):
>> Ian Campbell writes ("Re: [PATCH v2] libxc: introduce a per architecture
>> scratch pfn for temporary grant mapping"):
>>> Ian, Julien ha
Ian Jackson writes ("Re: [PATCH v2] libxc: introduce a per architecture scratch
pfn for temporary grant mapping"):
> Ian Campbell writes ("Re: [PATCH v2] libxc: introduce a per architecture
> scratch pfn for temporary grant mapping"):
> > Ian, Julien has suggested this for backport to 4.5 but not
Ian Campbell writes ("Re: [PATCH v2] libxc: introduce a per architecture
scratch pfn for temporary grant mapping"):
> Ian, Julien has suggested this for backport to 4.5 but not 4.4.
Queued, thanks.
Ian.
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On Wed, 2015-01-21 at 16:42 +, Andrew Cooper wrote:
> On 21/01/15 13:25, Julien Grall wrote:
> > The code to initialize the grant table in libxc uses
> > xc_domain_maximum_gpfn() + 1 to get a guest pfn for mapping the grant
> > frame and to initialize it.
> >[...]
> For the x86 side of things,
On 21/01/15 13:25, Julien Grall wrote:
> The code to initialize the grant table in libxc uses
> xc_domain_maximum_gpfn() + 1 to get a guest pfn for mapping the grant
> frame and to initialize it.
>
> This solution has two major issues:
> - The check of the return of xc_domain_maximum_gpfn is bu
The code to initialize the grant table in libxc uses
xc_domain_maximum_gpfn() + 1 to get a guest pfn for mapping the grant
frame and to initialize it.
This solution has two major issues:
- The check of the return of xc_domain_maximum_gpfn is buggy because
xen_pfn_t is unsigned and in case
