x86/cpu: reposition stack alignment check
authorAndrew Cooper <andrew.cooper3@citrix.com>
Mon, 28 Nov 2016 08:17:00 +0000 (09:17 +0100)
committerJan Beulich <jbeulich@suse.com>
Mon, 28 Nov 2016 08:17:00 +0000 (09:17 +0100)
commit99a10da1b4fee8ef7a096e5fd3608f6c15932eb0
tree2dbe9798bd29b7d1837893b9e3dd9cb2377fbd6b
parent1c524dd494019bc98e23075dcdba11c8e6add017
x86/cpu: reposition stack alignment check

As identified during review, using BUG_ON() before `lidt` will result in a
triple fault, even on APs.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
xen/arch/x86/cpu/common.c