linux-kernel - Re: linux-next: Tree for Jan 30 (build failures)

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Date:	Fri, 30 Jan 2015 17:15:38 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Guenter Roeck <linux@...ck-us.net>, David Airlie <airlied@...ux.ie>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleksij Rempel <linux@...pel-privat.de>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: linux-next: Tree for Jan 30 (build failures)

Hi Guenter,

On Fri, 30 Jan 2015 06:25:20 -0800
Guenter Roeck <linux@...ck-us.net> wrote:

> On Fri, Jan 30, 2015 at 06:02:09PM +1100, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Changes since 20150129:
> > 
> > The arm-soc gained conflicts against the arm-current and arm trees.
> > 
> > The spi tree gained a build failure for which I reverted a commit.
> > 
> > Non-merge commits (relative to Linus' tree): 6300
> >  6348 files changed, 255117 insertions(+), 131620 deletions(-)
> > 
> > ----------------------------------------------------------------------------
> 
> Build failures below. I copied the culprits (including Linus ;-).
> 
> Guenter
> 
> ===
> Building arc:defconfig ... failed
> Building arc:tb10x_defconfig ... failed
> --------------
> Error log:
> arch/arc/mm/fault.c: In function 'do_page_fault':
> arch/arc/mm/fault.c:164: error: 'VM_FAULT_SIGSEV' undeclared
> 
> Typo. Caused by 33692f27597f ("vm: add VM_FAULT_SIGSEGV handling support"),
> from mainline. I submitted a patch.
> 
> ===
> Building mips:allmodconfig ... failed
> --------------
> Error log:
> 
> fs/built-in.o: In function `dax_fault':
> (.text+0x5e284): undefined reference to `copy_user_page'
> 
> Caused by 4927b7d77c001 ("dax,ext2: replace the XIP page fault handler with the
> DAX page fault handler"). Looks like copy_user_page does not exist in mips.
> 
> ===
> Building sparc64:allmodconfig ... failed
> --------------
> Error log:
> drivers/built-in.o: In function `asm9260_timer_init':
> asm9260_timer.c:(.init.text+0x60d4): undefined reference to `of_io_request_and_map'
> 
> Caused by e4940cd76934 ("ARM: clocksource: add asm9260_timer driver").
> of_io_request_and_map does not exist for the sparc architecture.
> Maybe that driver should depend on ARM  or at least on !SPARC ?
> 
> ===
> Building xtensa:allmodconfig ... failed
> --------------
> Error log:
> drivers/gpu/drm/drm_gem_cma_helper.c: In function ‘drm_gem_cma_create’:
> drivers/gpu/drm/drm_gem_cma_helper.c:110:2: error: implicit declaration of function ‘dma_alloc_writecombine’
> drivers/gpu/drm/drm_gem_cma_helper.c: In function ‘drm_gem_cma_free_object’:
> drivers/gpu/drm/drm_gem_cma_helper.c:193:3: error: implicit declaration of function ‘dma_free_writecombine’
> drivers/gpu/drm/drm_gem_cma_helper.c: In function ‘drm_gem_cma_mmap_obj’:
> drivers/gpu/drm/drm_gem_cma_helper.c:330:2: error: implicit declaration of function ‘dma_mmap_writecombine’
> 
> Caused by 1a396789f65a2 ("drm: add Atmel HLCDC Display Controller support").
> It selects DRM_KMS_CMA_HELPER which selects DRM_GEM_CMA_HELPER which needs
> the missing dma functions. Those are not supported on xtensa (HAVE_DMA_ATTRS
> is not set for xtensa). Maybe the controller should depend on HAVE_DMA_ATTRS.

I fixed that one a week ago: [1].
I'm Adding Dave and the dri-devel ML in Cc, apart from that I don't know
what I can/should do to make it appear in linux-next.

Dave, unless you think there is a risk in applying this patch, could
you take it in your drm-next tree ?

Best Regards,

Boris

[1]http://www.spinics.net/lists/dri-devel/msg75848.html

-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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