From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: warning: calling ‘__builtin_return_address’ with a nonzero argument is unsafe
Date: Thu, 28 Jul 2016 07:42:25 -0500 [thread overview]
Message-ID: <20160728124225.onhozrbb6bn7iwa2@treble> (raw)
In-Reply-To: <CA+55aFy+MbU62-x7n27YRyxNG0Kkw1MKWViyAo_xqdpVAOKvAQ@mail.gmail.com>
On Wed, Jul 27, 2016 at 08:21:50PM -0700, Linus Torvalds wrote:
> The remaining ones are mostly objtool warnings (Josh added to cc: I
> get both a "objtool: x86 instruction decoder differs from kernel"
> warning
Ok, this should be an easy fix.
> and several new "sibling call from callable instruction with
> changed frame pointer" warnings).
These all seem to be caused by a new switch statement optimization in
gcc 6 which objtool doesn't know about yet. I'll try to come up with a
patch to fix it soon.
--
Josh
prev parent reply other threads:[~2016-07-28 12:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 23:00 Linus Torvalds
2016-07-28 1:58 ` Steven Rostedt
2016-07-28 3:21 ` Linus Torvalds
2016-07-28 3:52 ` Steven Rostedt
2016-07-29 1:25 ` Linus Torvalds
2016-07-29 2:30 ` Steven Rostedt
2016-08-01 18:10 ` Steven Rostedt
2016-08-01 18:19 ` Linus Torvalds
2016-07-28 12:42 ` Josh Poimboeuf [this message]
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