Subject: Re: [PATCH 6/7] selftests: only compile userfaultfd for x86 and
 powperpc
To: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>,
        linux-kernel@vger.kernel.org
References: <1439559818-21666-1-git-send-email-bamvor.zhangjian@linaro.org>
 <1439559818-21666-7-git-send-email-bamvor.zhangjian@linaro.org>
Cc: broonie@linaro.org, khilman@linaro.org, tyler.baker@linaro.org,
        Shuah Khan <shuahkh@osg.samsung.com>,
        Andrew Morton <akpm@linux-foundation.org>
From: Shuah Khan <shuahkh@osg.samsung.com>
Organization: Samsung Open Source Group
Message-ID: <55DF8D3C.7030200@osg.samsung.com>
Date: Thu, 27 Aug 2015 16:20:44 -0600
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On 08/14/2015 07:43 AM, Bamvor Jian Zhang wrote:
> Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
> ---
>  tools/testing/selftests/vm/Makefile | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
> index bb888c6..4dd6e4f 100644
> --- a/tools/testing/selftests/vm/Makefile
> +++ b/tools/testing/selftests/vm/Makefile
> @@ -1,5 +1,15 @@
>  # Makefile for vm selftests
>  
> +uname_M := $(shell uname -m 2>/dev/null || echo not)
> +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/ppc.*/powerpc/)
> +
> +ifeq ($(ARCH),powerpc)
> +support_userfaultfd = yes
> +endif
> +ifeq ($(ARCH),x86)
> +support_userfaultfd = yes
> +endif
> +
>  CFLAGS = -Wall
>  BINARIES = compaction_test
>  BINARIES += hugepage-mmap
> @@ -9,7 +19,9 @@ BINARIES += mlock2-tests
>  BINARIES += on-fault-limit
>  BINARIES += thuge-gen
>  BINARIES += transhuge-stress
> +ifdef support_userfaultfd
>  BINARIES += userfaultfd
> +endif
>  
>  all: $(BINARIES)
>  %: %.c
> 

I will get this into 4.3-rc2 once the userfaultfd gets into
4.3-rc1. Thanks for the fix.

thanks,
-- Shuah

-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@osg.samsung.com | (970) 217-8978
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