Re: [Xen-devel] [PATCH v2 for-4.11 1/2] libxc/x86: fix mapping of the start_info area

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Mar 28, 2018 at 12:55:15PM +0100, Roger Pau Monne wrote:
> The start_info size calculated in bootlate_hvm is wrong. It should use
> HVMLOADER_MODULE_MAX_COUNT instead of dom->num_modules and it doesn't
> take into account the size of the modules command line.
> 
> This is not a problem so far because the actually used amount of
> memory doesn't cross a page boundary, and so no page-fault is
> triggered.
> 
> Instead of fixing the size calculation done in bootlate_hvm just map
> the amount of memory allocated in alloc_magic_pages_hvm.
> 
> Suggested-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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