linux-kernel - Re: [PATCH tip/core/rcu 15/45] torture: Make config-fragment filtering RCU-independent

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Date:	Wed, 7 May 2014 14:29:37 -0700
From:	josh@...htriplett.org
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	darren@...art.com, fweisbec@...il.com, oleg@...hat.com, sbw@....edu
Subject: Re: [PATCH tip/core/rcu 15/45] torture: Make config-fragment
 filtering RCU-independent

On Mon, Apr 28, 2014 at 05:25:03PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> The torture tests need to set specific values for their respective
> Kconfig options (e.g., CONFIG_LOCK_TORTURE_TEST), and must therefore
> filter any conflicting definitions from the Kconfig fragment
> file.  Unfortunately, the code in kvm-build.sh was looking only for
> CONFIG_RCU_TORTURE_TEST.  This commit therefore handles the general case
> of CONFIG_[A-Z]*TORTURE_TEST.

This doesn't match your code below, which includes an _ after the * .

Also, one nit below.

> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

With the commit message fixed:
Reviewed-by: Josh Triplett <josh@...htriplett.org>

> ---
>  tools/testing/selftests/rcutorture/bin/kvm-build.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
> index e838c775f709..6d0b76d918f4 100755
> --- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
> +++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
> @@ -45,7 +45,7 @@ T=/tmp/test-linux.sh.$$
>  trap 'rm -rf $T' 0
>  mkdir $T
>  
> -cat ${config_template} | grep -v CONFIG_RCU_TORTURE_TEST > $T/config
> +cat ${config_template} | grep -v 'CONFIG_[A-Z]*_TORTURE_TEST' > $T/config

UUOC (useless use of cat): you can redirect from ${config_template}
rather than catting it.

>  cat << ___EOF___ >> $T/config
>  CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
>  CONFIG_VIRTIO_PCI=y
> -- 
> 1.8.1.5
> 
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