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authorAndi Kleen <ak@suse.de>2006-09-26 12:52:34 +0400
committerAndi Kleen <andi@basil.nowhere.org>2006-09-26 12:52:34 +0400
commitb7f5e3c7742d5332b78b831131f43fc3630e6322 (patch)
tree4334c97a3a8e2ac409444ecb2d7844d3a63e4118 /Documentation/rocket.txt
parent3fa7c794fe4dc127f7fac3fad4d13628e68f89ce (diff)
downloadlinux-b7f5e3c7742d5332b78b831131f43fc3630e6322.tar.xz
[PATCH] Don't access the APIC in safe_smp_processor_id when it is not mapped yet
Lockdep can call the dwarf2 unwinder early, and the dwarf2 code uses safe_smp_processor_id which tries to access the local APIC page. But that doesn't work before the APIC code has set up its fixmap. Check for this case and always return boot cpu then. Cc: jbeulich@novell.com Cc: mingo@elte.hu Signed-off-by: Andi Kleen <ak@suse.de>
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