From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25274 invoked by alias); 10 Feb 2015 15:38:39 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 18346 invoked by uid 48); 10 Feb 2015 15:38:35 -0000 From: "andi-gcc at firstfloor dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/64963] IPA Cloning/Splitting does not copy function section attributes resulting in kernel miscompilation Date: Tue, 10 Feb 2015 15:38:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: andi-gcc at firstfloor dot org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-02/txt/msg01036.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64963 Andi Kleen changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |andi-gcc at firstfloor dot org --- Comment #6 from Andi Kleen --- In theory the kernel could mark __init functions with noclone. But I think sticky behavior would be better. That's the behavior that the kernel expects. There isn't any code as far as I know that would expect only a single function per section.