RE: [Xen-devel] [PATCH] Fixing stack alignment in x86-64 Xen

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> > Long mode needs to align the stack on a 16-byte boundary. Recent 
> > changes to Xen broke the requirement, and x86-64 XenLinux stopped 
> > booting. The attached fixes the problem.
> >
> > Signed-off-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>
> 
> Thanks Jun, that was a nasty bug to have to find. I keep 
> forgetting about that annoying automatic 16-byte alignment...

Let's put an assert in there.

Ian

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