linux-kernel - Re: [v2] powerpc/mm: Fix page table dump build on PPC32

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Date:   Thu, 27 Apr 2017 20:30:54 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Scott Wood <oss@...error.net>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [v2] powerpc/mm: Fix page table dump build on PPC32

On Tue, 2017-04-18 at 06:20:13 UTC, Christophe Leroy wrote:
> On PPC32 (ex: mpc885_ads_defconfig), page table dump compilation
> fails as follows. This is because the memory layout is slightly
> different on PPC32. This patch adapts it.
> 
>   CC      arch/powerpc/mm/dump_linuxpagetables.o
> arch/powerpc/mm/dump_linuxpagetables.c: In function 'walk_pagetables':
> arch/powerpc/mm/dump_linuxpagetables.c:369:10: error: 'KERN_VIRT_START' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:369:10: note: each undeclared identifier is reported only once for each function it appears in
> arch/powerpc/mm/dump_linuxpagetables.c: In function 'populate_markers':
> arch/powerpc/mm/dump_linuxpagetables.c:383:37: error: 'ISA_IO_BASE' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:384:37: error: 'ISA_IO_END' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:385:37: error: 'PHB_IO_BASE' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:386:37: error: 'PHB_IO_END' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:387:37: error: 'IOREMAP_BASE' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:388:37: error: 'IOREMAP_END' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c:392:38: error: 'VMEMMAP_BASE' undeclared (first use in this function)
> arch/powerpc/mm/dump_linuxpagetables.c: In function 'ptdump_show':
> arch/powerpc/mm/dump_linuxpagetables.c:400:20: error: 'KERN_VIRT_START' undeclared (first use in this function)
> make[1]: *** [arch/powerpc/mm/dump_linuxpagetables.o] Error 1
> make: *** [arch/powerpc/mm] Error 2
> 
> Fixes: 8eb07b187000d ("powerpc/mm: Dump linux pagetables")
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/2fab9fe1f9ff6836a82bf8bdb26e67

cheers