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[PATCH] x86_64: disallow multi-byte hardware execution breakpoints
authorJan Beulich <jbeulich@novell.com>
Sat, 25 Mar 2006 15:29:19 +0000 (16:29 +0100)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sat, 25 Mar 2006 17:10:52 +0000 (09:10 -0800)
commit893efca9279d7a78bae6532de0524e53370819d5
tree5ae05a1b6a0aa34cab50c0826782c04e9cc338f9tree | snapshot (tar.gz zip)
parent3240114d23793384fa9c3c53f391f672d1c22d2ecommit | diff
[PATCH] x86_64: disallow multi-byte hardware execution breakpoints

While AMD formally permits multi-byte execution breakpoints, Intel
disallows 8-byte as much as 2- or 4-byte ones.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/ptrace.c diff | blob | blame | history