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[PATCH -mm] kprobes: fix prepare_booster to get correct slot
- From: Masami Hiramatsu <mhiramat at redhat dot com>
- To: Shaohua Li <shaohua dot li at intel dot com>, Andrew Morton <akpm at linux-foundation dot org>
- Cc: LKML <linux-kernel at vger dot kernel dot org>, ia64 <linux-ia64 at vger dot kernel dot org>, "Luck, Tony" <tony dot luck at intel dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Jim Keniston <jkenisto at us dot ibm dot com>, systemtap-ml <systemtap at sources dot redhat dot com>
- Date: Mon, 10 Mar 2008 20:06:48 -0400
- Subject: [PATCH -mm] kprobes: fix prepare_booster to get correct slot
- References: <47D166E7.2050803@redhat.com> <1205120600.20271.3.camel@sli10-desk.sh.intel.com> <47D57D28.7070100@redhat.com>
Fix to get correct slot number from probing address
in prepare_booster.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
---
Andrew, this is a bugfix of
kprobes-kprobe-booster-for-ia64.patch
arch/ia64/kernel/kprobes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: 2.6.25-rc3-mm1/arch/ia64/kernel/kprobes.c
===================================================================
--- 2.6.25-rc3-mm1.orig/arch/ia64/kernel/kprobes.c
+++ 2.6.25-rc3-mm1/arch/ia64/kernel/kprobes.c
@@ -565,7 +565,7 @@ static int __kprobes can_boost(bundle_t
static void __kprobes prepare_booster(struct kprobe *p)
{
unsigned long addr = (unsigned long)p->addr & ~0xFULL;
- unsigned int slot = addr & 0xf;
+ unsigned int slot = (unsigned long)p->addr & 0xf;
struct kprobe *other_kp;
if (can_boost(&p->ainsn.insn[0].bundle, slot, addr)) {