[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20130322151946.GE20010@in.ibm.com>
Date: Fri, 22 Mar 2013 20:49:46 +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 4/4] uprobes/powerpc: remove additional trap instruction
check
From: Ananth N Mavinakayanahalli <ananth@...ibm.com>
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 <ananth@...ibm.com>
---
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;
}
--
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/
Powered by blists - more mailing lists