Re: [PATCH v3 06/17] libxl/arm: Estimate the size of ACPI tables

[Wei Liu <wei.liu2@citrix.com>]

On Thu, Jul 07, 2016 at 05:39:38PM +0100, Julien Grall wrote:
> Hi Wei,
> 
> On 07/07/16 17:07, Wei Liu wrote:
> >On Tue, Jul 05, 2016 at 11:12:36AM +0800, Shannon Zhao wrote:
> >>  int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
> >>                          libxl__domain_build_state *state,
> >>                          struct xc_dom_image *dom)
> >>  {
> >>      const libxl_version_info *vers;
> >>+    int rc;
> >>+    struct acpitable acpitables[NUMS];
> >>+
> >>+    /* convenience aliases */
> >>+    xc_domain_configuration_t *xc_config = &state->config;
> >>
> >
> >Julien seemed to have suggested this structure shouldn't be used. Did I
> >misremember?
> 
> On the previous version, I said we should not extend this structure for
> parameter which is not used by the hypervisor (e.g the hypervisor does not
> need to know whether the guest will use ACPI).
> 
> However, this structure have to be used to get the version of the GIC that
> will be emulated for the guest. This is because the hypervisor might choose
> the version if the user did not specify one.
> 

OK. Makes sense.

Wei.

> Cheers,
> 
> -- 
> Julien Grall

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