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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 10:24:52 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 10:24:52 -0800
commit21511abd0a248a3f225d3b611cfabb93124605a7 (patch)
treeeb490f94322f3c76169ea7e5ec09524f275f390e /arch/ia64/kernel/kprobes.c
parent39ce941ec15032c0efc3632b9f00a6b2365e1870 (diff)
parente1b0d4ba46b42909d11ea152a6b56ee76f062ca3 (diff)
downloadblackbird-op-linux-21511abd0a248a3f225d3b611cfabb93124605a7.tar.gz
blackbird-op-linux-21511abd0a248a3f225d3b611cfabb93124605a7.zip
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] make pfm_get_task work with virtual pids [IA64] honor notify_die() returning NOTIFY_STOP [IA64] remove dead code: __cpu_{down,die} from !HOTPLUG_CPU [IA64] Appoint kvm/ia64 Maintainers [IA64] ia64_set_psr should use srlz.i [IA64] Export three symbols for module use [IA64] mca style cleanup [IA64] sn_hwperf semaphore to mutex [IA64] generalize attribute of fsyscall_gtod_data [IA64] efi.c Add /* never reached */ annotation [IA64] efi.c Spelling/punctuation fixes [IA64] Make efi.c mostly fit in 80 columns [IA64] aliasing-test: fix gcc warnings on non-ia64 [IA64] Slim-down __clear_bit_unlock [IA64] Fix the order of atomic operations in restore_previous_kprobes on ia64 [IA64] constify function pointer tables [IA64] fix userspace compile error in gcc_intrin.h
Diffstat (limited to 'arch/ia64/kernel/kprobes.c')
-rw-r--r--arch/ia64/kernel/kprobes.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index fc4d2676264f..b618487cdc85 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -381,9 +381,10 @@ static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
{
unsigned int i;
- i = atomic_sub_return(1, &kcb->prev_kprobe_index);
- __get_cpu_var(current_kprobe) = kcb->prev_kprobe[i].kp;
- kcb->kprobe_status = kcb->prev_kprobe[i].status;
+ i = atomic_read(&kcb->prev_kprobe_index);
+ __get_cpu_var(current_kprobe) = kcb->prev_kprobe[i-1].kp;
+ kcb->kprobe_status = kcb->prev_kprobe[i-1].status;
+ atomic_sub(1, &kcb->prev_kprobe_index);
}
static void __kprobes set_current_kprobe(struct kprobe *p,
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