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SubjectRe: Build regressions/improvements in v4.6-rc5
On Mon, Apr 25, 2016 at 10:18:39AM +0200, Geert Uytterhoeven wrote:
> On Mon, Apr 25, 2016 at 10:15 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
> > JFYI, when comparing v4.6-rc5[1] to v4.6-rc4[3], the summaries are:
> > - build errors: +15/-5
>
> + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error:
> 'PMD_MASK' undeclared (first use in this function): => 496:38
> + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error:
> 'pmdval_t' undeclared (first use in this function): => 498:13
> + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error:
> implicit declaration of function 'flush_pmd_entry'
> [-Werror=implicit-function-declaration]: => 503:2

Looks like nommu stuff, as I know assabet builds with my mmu-full
configuration.

> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> 'COPYPAGE_MINICACHE' undeclared (first use in this function): =>
> 77:14
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> 'L_PTE_MT_MINICACHE' undeclared (first use in this function): =>
> 77:47
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> 'L_PTE_PRESENT' undeclared (first use in this function): => 77:47
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> 'L_PTE_YOUNG' undeclared (first use in this function): => 77:47
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> implicit declaration of function '__flush_dcache_page'
> [-Werror=implicit-function-declaration]: => 73:3
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> implicit declaration of function 'mk_pte'
> [-Werror=implicit-function-declaration]: => 77:2
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> implicit declaration of function 'set_top_pte'
> [-Werror=implicit-function-declaration]: => 77:2
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: unknown
> field 'cpu_clear_user_highpage' specified in initializer: => 113:2
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: unknown
> field 'cpu_copy_user_highpage' specified in initializer: => 114:2
> + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error:
> variable 'v4_mc_user_fns' has initializer but incomplete type: =>
> 112:8

My guess is that it (and other copypage-* headers) need to include
asm/page.h, but maybe this is another nommu problem, I don't know.
I don't have time to analyse these as I'm still catching up with
email, and will be for a while yet.

--
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
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