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authorJames Bottomley <James.Bottomley@SteelEye.com>2006-02-24 13:04:14 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-24 14:31:38 -0800
commit2b932f6cf052920fb3a6281499e08209b08f5086 (patch)
treec2710e09dd40ee9733bcd77234d6373acec741d2 /drivers
parent1e275d406bf6b88e4de6925cf594b64bb2ec49bc (diff)
downloadop-kernel-dev-2b932f6cf052920fb3a6281499e08209b08f5086.zip
op-kernel-dev-2b932f6cf052920fb3a6281499e08209b08f5086.tar.gz
[PATCH] x86: fix broken SMP boot sequence
Recent GDT changes broke the SMP boot sequence if the booting CPU is numbered anything other than zero. There's also a subtle source of error in that the boot time CPU now uses cpu_gdt_table (which is actually the GDT for booting CPUs in head.S). This patch fixes both problems by making GDT descriptors themselves allocated from a per_cpu area and switching to them in cpu_init(), which now means that cpu_gdt_table is exclusively used for booting CPUs again. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Cc: Zachary Amsden <zach@vmware.com> Cc: Matt Tolentino <metolent@snoqualmie.dp.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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