On Fri, Jan 27, 2017 at 05:22:03PM +0000, Roger Pau Monne wrote:
> On Thu, Jan 26, 2017 at 06:37:00AM -0700, Jan Beulich wrote:
> > >>> On 19.01.17 at 18:29, <roger....@citrix.com> wrote:
> > > + if ( cmdline != NULL )
> > > + {
> > > + rc = hvm_copy_to_guest_phys_vcpu(last_addr, cmdline,
> > > + strlen(cmdline) + 1, v);
> > > + if ( rc )
> > > + {
> > > + printk("Unable to copy guest command line\n");
> > > + return rc;
> > > + }
> > > + start_info.cmdline_paddr = last_addr;
> > > + last_addr += ROUNDUP(strlen(cmdline) + 1, 8);
> >
> > Where is this 8 coming from?
>
> So that the next struct is aligned to the cache line size? It's also done in
> xc_dom_x86.c.
Sorry, not to the cache, this is just so it's aligned:
https://lists.xen.org/archives/html/xen-devel/2015-08/msg01883.html
Roger.
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