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authorJan Beulich <jbeulich@novell.com>2006-10-21 18:37:01 +0200
committerAndi Kleen <andi@basil.nowhere.org>2006-10-21 18:37:01 +0200
commit690a973f48b6ba2954465992c08e65059c8374fe (patch)
treeb30a59496628592233944b3f4340cdfdf9d3d5de /net/netlabel
parentcdfce1f5714fec7b24715f569b2fee1607350a6d (diff)
[PATCH] x86-64: Speed up dwarf2 unwinder
This changes the dwarf2 unwinder to do a binary search for CIEs instead of a linear work. The linker is unfortunately not able to build a proper lookup table at link time, instead it creates one at runtime as soon as the bootmem allocator is usable (so you'll continue using the linear lookup for the first [hopefully] few calls). The code should be ready to utilize a build-time created table once a fixed linker becomes available. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
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