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authorEric W. Biederman <ebiederm@xmission.com>2005-06-25 14:57:45 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:47 -0700
commit208fb93162d51faa69b9774fa7809858d84fd9dc (patch)
tree895115891463d3318677df4c3d76f6eca751eccd /include/asm-generic
parent650927ef8ab1e9b05b77a3f32ca7adcedaae9306 (diff)
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[PATCH] kexec: x86_64: restore apic virtual wire mode on shutdown
When coming out of apic mode attempt to set the appropriate apic back into virtual wire mode. This improves on previous versions of this patch by by never setting bot the local apic and the ioapic into veritual wire mode. This code looks at data from the mptable to see if an ioapic has an ExtInt input to make this decision. A future improvement is to figure out which apic or ioapic was in virtual wire mode at boot time and to remember it. That is potentially a more accurate method, of selecting which apic to place in virutal wire mode. Signed-off-by: Eric Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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