From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Steven Rostedt <rostedt@goodmis.org>,
Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jiri Kosina <jkosina@suse.cz>,
Seth Jennings <sjenning@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Petr Mladek <pmladek@suse.cz>, Vojtech Pavlik <vojtech@suse.cz>,
Namhyung Kim <namhyung@kernel.org>,
Miroslav Benes <mbenes@suse.cz>, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH ftrace/core v6 3/5] kprobes: Add IPMODIFY flag to kprobe_ftrace_ops
Date: Fri, 21 Nov 2014 05:25:23 -0500 [thread overview]
Message-ID: <20141121102523.11844.21298.stgit@localhost.localdomain> (raw)
In-Reply-To: <20141121102502.11844.82696.stgit@localhost.localdomain>
Add FTRACE_OPS_FL_IPMODIFY flag to kprobe_ftrace_ops
since kprobes can changes regs->ip.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
---
kernel/kprobes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 3995f54..831978c 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -915,7 +915,7 @@ static struct kprobe *alloc_aggr_kprobe(struct kprobe *p)
#ifdef CONFIG_KPROBES_ON_FTRACE
static struct ftrace_ops kprobe_ftrace_ops __read_mostly = {
.func = kprobe_ftrace_handler,
- .flags = FTRACE_OPS_FL_SAVE_REGS,
+ .flags = FTRACE_OPS_FL_SAVE_REGS | FTRACE_OPS_FL_IPMODIFY,
};
static int kprobe_ftrace_enabled;
next prev parent reply other threads:[~2014-11-21 2:29 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 10:25 [PATCH ftrace/core v6 0/5] ftrace, kprobes: Introduce IPMODIFY flag for ftrace_ops to detect conflicts Masami Hiramatsu
2014-11-21 10:25 ` [PATCH ftrace/core v6 1/5] kprobes/ftrace: Recover original IP if pre_handler doesn't change it Masami Hiramatsu
2014-11-21 10:25 ` [PATCH ftrace/core v6 2/5] ftrace, kprobes: Support IPMODIFY flag to find IP modify conflict Masami Hiramatsu
2014-11-21 18:05 ` Steven Rostedt
2014-11-21 19:43 ` Steven Rostedt
2014-11-24 2:12 ` Masami Hiramatsu
2014-11-24 2:06 ` Masami Hiramatsu
2014-11-21 10:25 ` Masami Hiramatsu [this message]
2014-11-21 10:25 ` [PATCH ftrace/core v6 4/5] kprobes: Set IPMODIFY flag only if the probe can change regs->ip Masami Hiramatsu
2014-11-21 20:15 ` Steven Rostedt
2014-11-24 2:43 ` Masami Hiramatsu
2015-01-26 16:14 ` Petr Mladek
2015-02-24 7:38 ` Masami Hiramatsu
2015-02-24 8:52 ` Petr Mladek
2015-02-24 11:47 ` Masami Hiramatsu
2015-02-24 13:10 ` Petr Mladek
2014-11-21 10:25 ` [PATCH ftrace/core v6 5/5] kselftest, ftrace: Add ftrace IPMODIFY flag test Masami Hiramatsu
2014-11-21 21:03 ` Steven Rostedt
2014-11-24 2:50 ` Masami Hiramatsu
2014-11-24 4:29 ` Steven Rostedt
2014-11-24 14:11 ` Masami Hiramatsu
2014-11-24 15:07 ` Steven Rostedt
2014-11-24 15:18 ` Steven Rostedt
2014-11-24 15:19 ` Steven Rostedt
2014-11-25 1:51 ` Masami Hiramatsu
2014-11-24 16:18 ` Shuah Khan
2014-11-25 1:23 ` Masami Hiramatsu
2014-11-25 14:42 ` Shuah Khan
2014-11-25 14:44 ` Shuah Khan
2014-11-26 7:20 ` Masami Hiramatsu
2014-11-26 18:40 ` Shuah Khan
2014-11-27 4:56 ` Masami Hiramatsu
2014-11-26 14:31 ` Steven Rostedt
2014-11-27 0:55 ` Masami Hiramatsu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141121102523.11844.21298.stgit@localhost.localdomain \
--to=masami.hiramatsu.pt@hitachi.com \
--cc=ananth@in.ibm.com \
--cc=jkosina@suse.cz \
--cc=jpoimboe@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mbenes@suse.cz \
--cc=mingo@kernel.org \
--cc=namhyung@kernel.org \
--cc=pmladek@suse.cz \
--cc=rostedt@goodmis.org \
--cc=sjenning@redhat.com \
--cc=vojtech@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome