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To: Li Zhou <li.zhou@windriver.com>, openembedded-core@lists.openembedded.org
References: <20161104090719.30795-1-li.zhou@windriver.com>
From: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Message-ID: <2dd71023-841c-f106-0b3e-8defa6bf2156@linux.intel.com>
Date: Fri, 4 Nov 2016 10:12:51 -0600
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In-Reply-To: <20161104090719.30795-1-li.zhou@windriver.com>
Subject: Re: [PATCH] db: disable the ARM assembler mutex code
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This patch cannot be applied because the modified file is not track by 
oe-core.


On 11/04/2016 03:07 AM, Li Zhou wrote:
> The swpb in macro MUTEX_SET will cause "undefined instruction" error
> on the new arm arches which don't support this assembly instruction
> any more. If use ldrex/strex to replace swpb, the old arm arches don't
> support them. So to avoid this issue, just disable the ARM assembler
> mutex code, and use the default pthreads mutex.
>
> Signed-off-by: Li Zhou <li.zhou@windriver.com>
> ---
>   meta/recipes-support/db/db_6.0.30.bb | 9 ---------
>   1 file changed, 9 deletions(-)
>
> diff --git a/meta/recipes-support/db/db_6.0.30.bb b/meta/recipes-support/db/db_6.0.30.bb
> index 50a469b..2d08b5e 100644
> --- a/meta/recipes-support/db/db_6.0.30.bb
> +++ b/meta/recipes-support/db/db_6.0.30.bb
> @@ -74,15 +74,6 @@ DB6_CONFIG ?= "--enable-o_direct --disable-cryptography --disable-queue --disabl
>   
>   EXTRA_OECONF = "${DB6_CONFIG} --enable-shared --enable-cxx --with-sysroot"
>   
> -# Override the MUTEX setting here, the POSIX library is
> -# the default - "POSIX/pthreads/library".
> -# Don't ignore the nice SWP instruction on the ARM:
> -# These enable the ARM assembler mutex code
> -ARM_MUTEX = "--with-mutex=ARM/gcc-assembly"
> -MUTEX = ""
> -MUTEX_arm = "${ARM_MUTEX}"
> -MUTEX_armeb = "${ARM_MUTEX}"
> -EXTRA_OECONF += "${MUTEX}"
>   EXTRA_OEMAKE_class-target = "LIBTOOL=${STAGING_BINDIR_CROSS}/${HOST_SYS}-libtool"
>   
>   # Cancel the site stuff - it's set for db3 and destroys the