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Date:   Tue, 19 Apr 2016 09:22:00 +0100
From:   Paul Burton <paul.burton@imgtec.com>
To:     Manuel Lauss <manuel.lauss@gmail.com>
CC:     Linux-MIPS <linux-mips@linux-mips.org>, Ralf Baechle
        <ralf@linux-mips.org>, James Hogan <james.hogan@imgtec.com>, "# v4 . 1+"
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        Alex Smith <alex.smith@imgtec.com>, "Kirill A. Shutemov"
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Subject: Re: [PATCH v2 07/13] MIPS: mm: Fix MIPS32 36b physical addressing
 (alchemy, netlogic)
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On Mon, Apr 18, 2016 at 04:34:10PM +0200, Manuel Lauss wrote:
> On Mon, Apr 18, 2016 at 11:35 AM, Paul Burton <paul.burton@imgtec.com> wrote:
> > There are 2 distinct cases in which a kernel for a MIPS32 CPU
> > (CONFIG_CPU_MIPS32=y) may use 64 bit physical addresses
> > (CONFIG_PHYS_ADDR_T_64BIT=y):
> >
> >   - 36 bit physical addressing as used by RMI Alchemy & Netlogic XLP/XLR
> >     CPUs.
> >
> >   - MIPS32r5 eXtended Physical Addressing (XPA).
> 
> This hunk here gives me a build failure on Alchemy:
> 
> /home/mano/dev/db1200/kernel/linux/arch/mips/mm/init.c: In function
> '__kmap_pgprot':
> /home/mano/dev/db1200/kernel/linux/arch/mips/mm/init.c:116:28: error:
> '_PFNX_MASK' undeclared (first use in this function)
>    entrylo = (pte.pte_low & _PFNX_MASK);

Hi Manuel,

Sorry, I was trying to avoid #ifdef's too much in patch 12... v3 coming
shortly.

Thanks,
    Paul