linux-kernel - Re: [PATCH v4 1/5] powerpc: io.h: move iomap.h include so that it can use readq/writeq defs

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Date:   Thu, 20 Jul 2017 10:27:14 +0000
From:   Horia Geantă <horia.geanta@....com>
To:     Logan Gunthorpe <logang@...tatee.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-ntb@...glegroups.com" <linux-ntb@...glegroups.com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>
CC:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Bates <sbates@...thlin.com>,
        "Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Suresh Warrier <warrier@...ux.vnet.ibm.com>,
        Oliver O'Halloran <oohall@...il.com>
Subject: Re: [PATCH v4 1/5] powerpc: io.h: move iomap.h include so that it can
 use readq/writeq defs

On 7/19/2017 7:04 PM, Logan Gunthorpe wrote:
> 
> 
> On 18/07/17 11:57 PM, Michael Ellerman wrote:
>> Seems fair enough, have you tested it at all?
> 
> It's only been compile tested and the kbuild robot has beat up on it a bit.
> 
Looks like the patch set does not compile on PPC (.config generated
using make corenet64_smp_defconfig):

[...]
  LD      vmlinux.o
  MODPOST vmlinux.o
drivers/crypto/caam/jr.o: In function `rd_reg64':
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:154:
undefined reference to `.ioread64be_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:151:
undefined reference to `.ioread64_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:151:
undefined reference to `.ioread64_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:154:
undefined reference to `.ioread64be_lo_hi'
drivers/crypto/caam/jr.o: In function `wr_reg64':
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:141:
undefined reference to `.iowrite64_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:141:
undefined reference to `.iowrite64_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:144:
undefined reference to `.iowrite64be_lo_hi'
/home/b05471/repos/cryptodev-2.6/drivers/crypto/caam/regs.h:144:
undefined reference to `.iowrite64be_lo_hi'
make: *** [vmlinux] Error 1

Regards,
Horia