tree a89256be07359cbb0586a52c00ae985e1de12561
parent 08269c6d38e003adb12f55c6d795daa89bdc1bae
author Andi Kleen <ak@suse.de> 1176712227 +0200
committer Andi Kleen <andi@basil.nowhere.org> 1176712227 +0200

[PATCH] x86: Fix potential overflow in perfctr reservation

While reviewing this code again I found a potential overflow of the bitmap.
The p4 oprofile can theoretically set bits beyond the reservation bitmap for
specific configurations. Avoid that by sizing the bitmaps properly.

Signed-off-by: Andi Kleen <ak@suse.de>