From: Valdis.Kletnieks@vt.edu
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Zhengwang Ruan <ruan.zhengwang@gmail.com>,
fweisbec@gmail.com, mingo@redhat.com,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] Trace: initialize variable to clear warning
Date: Wed, 29 Feb 2012 22:40:30 +0000 [thread overview]
Message-ID: <48875.1330555230@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Tue, 28 Feb 2012 09:16:31 EST." <1330438591.25686.214.camel@gandalf.stny.rr.com>
[-- Attachment #1: Type: text/plain, Size: 477 bytes --]
On Tue, 28 Feb 2012 09:16:31 EST, Steven Rostedt said:
> This is a bug in gcc that's fixed in 4.6 and beyond. I don't want to
> remove this warning because it will hide a real bug if page2 really does
> become uninitialized. If 4.6 gives a warning here, then I'll fix it.
> > - void *page2;
> > + void *uninitialized_var(page2);
How would you feel about this?
- void *page2;
+ void *page2; /* gcc 4.5 bug causes incorrect "uninitialized" warning */
or something similar?
[-- Attachment #2: Type: application/pgp-signature, Size: 865 bytes --]
next prev parent reply other threads:[~2012-02-29 22:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 9:09 [PATCH] Trace: initialize variable to clear warning Zhengwang Ruan
2012-02-28 10:27 ` Borislav Petkov
2012-02-28 14:16 ` Steven Rostedt
2012-02-29 22:40 ` Valdis.Kletnieks [this message]
2012-03-01 1:09 ` Steven Rostedt
2012-03-01 2:08 ` Zhengwang Ruan
2012-03-01 2:23 ` Valdis.Kletnieks
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=48875.1330555230@turing-police.cc.vt.edu \
--to=valdis.kletnieks@vt.edu \
--cc=fweisbec@gmail.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=rostedt@goodmis.org \
--cc=ruan.zhengwang@gmail.com \
/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