Re: [PATCH 2/2] builddeb: parallelize debug module installation

From: Michal Marek
Date: Mon Apr 27 2015 - 10:22:50 EST


On 2015-04-24 20:25, Chris J Arges wrote:
> When building the dbg package, we use a large 'for module in $(find' loop that
> can be easily parallelized by using 'find | xargs'. This patch modifies this
> loop to use the later paradigm.
>
> Signed-off-by: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx>
> ---
> scripts/package/builddeb | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/scripts/package/builddeb b/scripts/package/builddeb
> index 88dbf23..d12d062 100755
> --- a/scripts/package/builddeb
> +++ b/scripts/package/builddeb
> @@ -152,16 +152,17 @@ if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
> rmdir "$tmpdir/lib/modules/$version"
> fi
> if [ -n "$BUILD_DEBUG" ] ; then
> - for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
> - module=lib/modules/$module
> - mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
> + find $tmpdir/lib/modules/ -name *.ko -printf '%P\n' | xargs -I {} sh -c '

I guess you want to use the -P option here.

Michal
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/