From: Ingo Molnar <mingo@elte.hu>
To: "Török Edwin" <edwintorok@gmail.com>
Cc: srostedt@redhat.com, a.p.zijlstra@chello.nl,
sandmann@daimi.au.dk, linux-kernel@vger.kernel.org,
viro@ZenIV.linux.org.uk
Subject: Re: [PATCH] tracing/stack-tracer: avoid races accessing file
Date: Sun, 23 Nov 2008 12:20:43 +0100 [thread overview]
Message-ID: <20081123112043.GA29663@elte.hu> (raw)
In-Reply-To: <1227438490-23259-1-git-send-email-edwintorok@gmail.com>
* Török Edwin <edwintorok@gmail.com> wrote:
> ---
> kernel/trace/trace.c | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 4c3bd82..48d1536 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -1470,13 +1470,13 @@ static inline int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
> file = vma->vm_file;
> vmstart = vma->vm_start;
> }
> + if (file) {
> + ret = trace_seq_path(s, &file->f_path);
> + if (ret)
> + ret = trace_seq_printf(s, "[+0x%lx]", ip - vmstart);
> + }
> up_read(&mm->mmap_sem);
> }
> - if (file) {
> - ret = trace_seq_path(s, &file->f_path);
> - if (ret)
> - ret = trace_seq_printf(s, "[+0x%lx]", ip - vmstart);
> - }
applied to tip/tracing/stack-tracer, thanks Edwin!
Ingo
next prev parent reply other threads:[~2008-11-23 11:21 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-22 11:28 [PATCH 0/2] tracing: userspace stacktraces Török Edwin
2008-11-22 11:28 ` [PATCH 1/2] tracing: add support for userspace stacktraces in tracing/iter_ctrl Török Edwin
2008-11-23 8:37 ` Ingo Molnar
2008-11-23 10:39 ` [PATCH 3/3] tracing/stack-tracer: introduce CONFIG_USER_STACKTRACE_SUPPORT Török Edwin
2008-11-22 11:28 ` [PATCH 2/2] tracing: identify which executable object the userspace address belongs to Török Edwin
2008-11-23 8:47 ` [PATCH] vfs, seqfile: make mangle_path() global Ingo Molnar
2008-11-23 21:06 ` Randy Dunlap
2008-11-23 21:24 ` [PATCH] fix comment style on mangle_path Török Edwin
2008-11-23 21:36 ` Ingo Molnar
2008-11-28 10:05 ` [PATCH] vfs, seqfile: make mangle_path() global Al Viro
2008-11-28 17:08 ` Ingo Molnar
2008-11-23 8:53 ` [PATCH 2/2] tracing: identify which executable object the userspace address belongs to Ingo Molnar
2008-11-23 10:39 ` [PATCH 1/3] tracing/stack-tracer: fix style issues Török Edwin
2008-11-23 10:39 ` [PATCH 2/3] tracing/stack-tracer: fix locking Török Edwin
2008-11-23 10:52 ` Ingo Molnar
2008-11-23 10:59 ` Török Edwin
2008-11-23 11:01 ` Ingo Molnar
2008-11-23 11:04 ` Török Edwin
2008-11-23 11:07 ` Ingo Molnar
2008-11-23 11:08 ` [PATCH] tracing/stack-tracer: avoid races accessing file Török Edwin
2008-11-23 11:20 ` Ingo Molnar [this message]
2008-11-25 14:40 ` [PATCH 2/2] tracing: identify which executable object the userspace address belongs to Frank Ch. Eigler
2008-11-26 9:59 ` Török Edwin
2008-11-27 10:41 ` Peter Zijlstra
2008-11-27 12:48 ` Frank Ch. Eigler
2008-11-27 13:02 ` Peter Zijlstra
2008-11-27 13:03 ` Török Edwin
2008-11-27 14:10 ` Ingo Molnar
2008-11-27 14:27 ` Török Edwin
2008-11-27 14:51 ` Ingo Molnar
2008-12-09 19:49 ` Török Edwin
2008-11-23 8:26 ` [PATCH 0/2] tracing: userspace stacktraces Ingo Molnar
2008-11-23 9:24 ` Török Edwin
2008-11-23 9:30 ` Ingo Molnar
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=20081123112043.GA29663@elte.hu \
--to=mingo@elte.hu \
--cc=a.p.zijlstra@chello.nl \
--cc=edwintorok@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=sandmann@daimi.au.dk \
--cc=srostedt@redhat.com \
--cc=viro@ZenIV.linux.org.uk \
/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