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Re: [Xen-devel] [PATCH] libxc: remove most of tools/libxc/xc_dom_compat_linux.c



On Tue, Oct 06, 2015 at 01:52:16PM +0100, Andrew Cooper wrote:
> On 06/10/15 12:35, Juergen Gross wrote:
> > In tools/libxc/xc_dom_compat_linux.c only xc_linux_build() is currently
> > being used by an in-tree component (qemu-xen). All other functions are
> > superfluous wrappers of the domain builder which can be removed.
> >
> > Suggested-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> 
> Sorry, but NACK.  They are *not* superfluous.
> 
> XenServer uses them; xc_dom_linux_build() is the only way to apply
> XSA-25 size restrictions to PV kernels and initrds.
> 

Could you explain a bit more about this? How could this particular
function apply restrictions?

Unfortunately XSA-25 is not on XSA page so I have no idea what that is.

Wei.

> ~Andrew

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