From: Alan Modra <amodra@gmail.com>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org,
ppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-kernel@vger.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (powerpc related)
Date: Thu, 21 Jun 2012 20:18:39 +0930 [thread overview]
Message-ID: <20120621104839.GE20973@bubble.grove.modra.org> (raw)
In-Reply-To: <1340264307.1998.20.camel@concordia>
On Thu, Jun 21, 2012 at 05:38:27PM +1000, Michael Ellerman wrote:
> On Thu, 2012-06-21 at 17:07 +1000, Michael Ellerman wrote:
> > On Thu, 2012-06-21 at 16:24 +1000, Benjamin Herrenschmidt wrote:
> > > On Thu, 2012-06-21 at 15:36 +1000, Michael Ellerman wrote:
> > > >
> > > > powerpc64-linux-ld: /src/next/net/openvswitch/vport-netdev.c:189:(.text+0x89b990):
> > > > sibling call optimization to `_restgpr0_28' does not allow automatic multiple TOCs;
> > > > recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `_restgpr0_28' extern
> > > >
Linker bug. That's not a sibling call, but a normal function return
via an out-of-line register restore function. Will fix. I'm a bit
surprised to see this with gcc-4.6 though. Or does this gcc-4.6 have
some of my recent mainline gcc patches enabling out-of-line
save/restore functions for -Os?
--
Alan Modra
Australia Development Lab, IBM
WARNING: multiple messages have this Message-ID (diff)
From: Alan Modra <amodra@gmail.com>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: linux-next@vger.kernel.org,
ppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-kernel@vger.kernel.org,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: linux-next: build failure after merge of the final tree (powerpc related)
Date: Thu, 21 Jun 2012 20:18:39 +0930 [thread overview]
Message-ID: <20120621104839.GE20973@bubble.grove.modra.org> (raw)
In-Reply-To: <1340264307.1998.20.camel@concordia>
On Thu, Jun 21, 2012 at 05:38:27PM +1000, Michael Ellerman wrote:
> On Thu, 2012-06-21 at 17:07 +1000, Michael Ellerman wrote:
> > On Thu, 2012-06-21 at 16:24 +1000, Benjamin Herrenschmidt wrote:
> > > On Thu, 2012-06-21 at 15:36 +1000, Michael Ellerman wrote:
> > > >
> > > > powerpc64-linux-ld: /src/next/net/openvswitch/vport-netdev.c:189:(.text+0x89b990):
> > > > sibling call optimization to `_restgpr0_28' does not allow automatic multiple TOCs;
> > > > recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `_restgpr0_28' extern
> > > >
Linker bug. That's not a sibling call, but a normal function return
via an out-of-line register restore function. Will fix. I'm a bit
surprised to see this with gcc-4.6 though. Or does this gcc-4.6 have
some of my recent mainline gcc patches enabling out-of-line
save/restore functions for -Os?
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2012-06-21 10:48 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 7:50 linux-next: build failure after merge of the final tree (powerpc related) Stephen Rothwell
2012-06-20 7:50 ` Stephen Rothwell
2012-06-20 10:09 ` Benjamin Herrenschmidt
2012-06-20 10:09 ` Benjamin Herrenschmidt
2012-06-21 5:36 ` Michael Ellerman
2012-06-21 5:36 ` Michael Ellerman
2012-06-21 6:24 ` Benjamin Herrenschmidt
2012-06-21 7:07 ` Michael Ellerman
2012-06-21 7:07 ` Michael Ellerman
2012-06-21 7:07 ` Michael Ellerman
2012-06-21 7:38 ` Michael Ellerman
2012-06-21 7:38 ` Michael Ellerman
2012-06-21 7:38 ` Michael Ellerman
2012-06-21 10:48 ` Alan Modra [this message]
2012-06-21 10:48 ` Alan Modra
2012-06-21 11:43 ` Alan Modra
2012-06-21 11:43 ` Alan Modra
2012-06-22 0:39 ` Michael Ellerman
2012-06-22 0:39 ` Michael Ellerman
2012-06-21 7:29 ` Gabriel Paubert
-- strict thread matches above, loose matches on Subject: below --
2011-12-28 8:49 Stephen Rothwell
2011-12-28 8:49 ` Stephen Rothwell
2011-12-28 8:49 ` Stephen Rothwell
2011-12-28 10:32 ` Benjamin Herrenschmidt
2011-12-28 10:32 ` Benjamin Herrenschmidt
2012-01-02 8:25 ` Grant Likely
2012-01-02 8:25 ` Grant Likely
2012-01-02 8:39 ` Grant Likely
2012-01-02 8:39 ` Grant Likely
2010-09-03 3:24 Stephen Rothwell
2010-09-03 3:24 ` Stephen Rothwell
2010-09-17 4:27 ` Stephen Rothwell
2010-09-17 4:27 ` Stephen Rothwell
2010-07-16 7:19 Stephen Rothwell
2010-07-16 7:19 ` Stephen Rothwell
2010-07-16 7:19 ` Stephen Rothwell
2010-07-19 0:15 ` Benjamin Herrenschmidt
2010-07-19 0:15 ` Benjamin Herrenschmidt
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