Message ID | 20130322151758.GC20010@in.ibm.com (mailing list archive) |
---|---|
State | Awaiting Upstream, archived |
Headers | show |
* Ananth N Mavinakayanahalli <ananth@in.ibm.com> [2013-03-22 20:47:58]: > From: Ananth N Mavinakayanahalli <ananth@in.ibm.com> > > Refuse to place a uprobe if a trap variant already exists in the > file copy at the address. > > Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> > --- > kernel/events/uprobes.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: linux-3.9-rc3/kernel/events/uprobes.c > =================================================================== > --- linux-3.9-rc3.orig/kernel/events/uprobes.c > +++ linux-3.9-rc3/kernel/events/uprobes.c > @@ -573,7 +573,7 @@ static int prepare_uprobe(struct uprobe > goto out; > > ret = -ENOTSUPP; > - if (is_swbp_insn((uprobe_opcode_t *)uprobe->arch.insn)) > + if (is_trap_insn((uprobe_opcode_t *)uprobe->arch.insn)) > goto out; > > ret = arch_uprobe_analyze_insn(&uprobe->arch, mm, vaddr);
Index: linux-3.9-rc3/kernel/events/uprobes.c =================================================================== --- linux-3.9-rc3.orig/kernel/events/uprobes.c +++ linux-3.9-rc3/kernel/events/uprobes.c @@ -573,7 +573,7 @@ static int prepare_uprobe(struct uprobe goto out; ret = -ENOTSUPP; - if (is_swbp_insn((uprobe_opcode_t *)uprobe->arch.insn)) + if (is_trap_insn((uprobe_opcode_t *)uprobe->arch.insn)) goto out; ret = arch_uprobe_analyze_insn(&uprobe->arch, mm, vaddr);