[PATCH v2 4/4] uprobes/powerpc: remove additional trap instruction check
From: Ananth N Mavinakayanahalli <hidden>
Date: 2013-03-22 15:20:07
Also in:
lkml
From: Ananth N Mavinakayanahalli <hidden>
Date: 2013-03-22 15:20:07
Also in:
lkml
From: Ananth N Mavinakayanahalli <redacted> prepare_uprobe() already checks if the underlying unstruction (on file) is a trap variant. We don't need to check this again. Signed-off-by: Ananth N Mavinakayanahalli <redacted> --- arch/powerpc/kernel/uprobes.c | 6 ------ 1 file changed, 6 deletions(-) Index: linux-3.9-rc3/arch/powerpc/kernel/uprobes.c ===================================================================
--- linux-3.9-rc3.orig/arch/powerpc/kernel/uprobes.c
+++ linux-3.9-rc3/arch/powerpc/kernel/uprobes.c@@ -53,12 +53,6 @@ int arch_uprobe_analyze_insn(struct arch if (addr & 0x03) return -EINVAL; - /* - * We currently don't support a uprobe on an already - * existing breakpoint instruction underneath - */ - if (is_trap(auprobe->ainsn)) - return -ENOTSUPP; return 0; }