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Date: Fri, 22 Mar 2013 20:47:58 +0530 From: Ananth N Mavinakayanahalli <ananth@...ibm.com> To: lkml <linux-kernel@...r.kernel.org> Cc: oleg@...hat.com, Srikar Dronamraju <srikar@...ux.vnet.ibm.com>, benh@...nel.crashing.org, ppcdev <linuxppc-dev@...ts.ozlabs.org> Subject: [PATCH v2 2/4] uprobes: refuse uprobe on trap variants From: Ananth N Mavinakayanahalli <ananth@...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@...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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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