x86: Panic if there is no x2APIC
authorBarret Rhoden <brho@cs.berkeley.edu>
Mon, 14 Nov 2016 20:42:46 +0000 (15:42 -0500)
committerBarret Rhoden <brho@cs.berkeley.edu>
Wed, 7 Dec 2016 22:46:48 +0000 (14:46 -0800)
commit70897e30bf0a48f5e71e0f94751d7b53411b6113
tree13ecdbf6a90924032a18364d23cd77442520ae27
parentc4cfaefd0e059bd0a9a0aed7298ce082a29469fd
x86: Panic if there is no x2APIC

Most newer machines (Nehalem or later) should have one of these.  If not,
we'll panic later on when we try to turn it on.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>
kern/arch/x86/cpuinfo.c