Re: [Xen-devel][Xense-devel][PATCH][XSM][1/4] Xen Security Modules Patch

["George S. Coker, II" <gscoker@xxxxxxxxxxxxxx>]

On Thu, 2007-03-08 at 08:59 -0700, Alex Williamson wrote:
> On Thu, 2007-03-08 at 10:28 -0500, George S. Coker, II wrote:
> > +    /*
> > +     * Try all modules and see whichever could be the binary policy.
> > +     * Adjust the initrdidx if module[1] is the binary policy.
> > +     */
> > +    for (i = mbi->mods_count-1; i >= 1; i--) {
> > +#if defined(__i386__)
> > +        _policy_start = (u32 *)(initial_images_start + 
> > (mod[i].mod_start-mod[0].mod_start));
> > +#elif defined(__x86_64__)
> > +        _policy_start = __va(initial_images_start + 
> > (mod[i].mod_start-mod[0].mod_start));
> > +#else
> > +#error Architecture unsupported by XSM
> > +#endif
> 
>    This is unacceptable, please make it fail gracefully on non-x86.

Indeed, it looks like this logic is outdated.  This was based on some
older code from ACM.  The attached patch addresses this issue.


> Thanks,
> 
>       Alex
>  
-- 
George S. Coker, II <gscoker@xxxxxxxxxxxxxx> 443-479-6944

Attachment: xsm-policy-init-030807.diff
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