[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/3] Update to use a .config file
On Mon, Jul 18, 2016 at 10:33:49AM +0100, Ross Lagerwall wrote: > On 07/16/2016 02:55 AM, Konrad Rzeszutek Wilk wrote: > > > > OK, I'll split it into two. Feel free to create a stable-47 branch in > > > > livepatch-build-tools.git with only the .config patch. Personally, I'd > > > > rather not spend much time backporting stuff to support a tech preview > > > > feature on an older branch. > > > > > > We will need to update the Wiki a bit too... > > > > > > What if I we do something simpler? > > > > And the offical patch: > > > > From 929a92b3dbb8467e0a69b50706b69fb206b51ff3 Mon Sep 17 00:00:00 2001 > > From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > > Date: Fri, 15 Jul 2016 09:36:23 -0400 > > Subject: [PATCH] Check .config for CONFIG_DEBUG. If not found use > > --xen-debug > > (if specified) > > > > Xen 4.8 ditched the 'debug=y' and now has CONFIG_DEBUG in the > > .config. To still support 4.7 lets just poke the .config > > file and see. > > > > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > > Is the intention that this gets applied on top of "[PATCH > LIVEPATCH-BUILD-TOOLS v2 1/3] Update to use a .config file" and that "[PATCH > LIVEPATCH-BUILD-TOOLS v2 2/3] Remove --xen-debug" is dropped? > > If so, then the approach looks OK to me. Yup. > > > --- > > livepatch-build | 20 +++++++++++++++++--- > > 1 file changed, 17 insertions(+), 3 deletions(-) > > > > diff --git a/livepatch-build b/livepatch-build > > index 6254c29..2165e3b 100755 > > --- a/livepatch-build > > +++ b/livepatch-build > > @@ -66,7 +66,7 @@ function build_full() > > { > > cd "${SRCDIR}/xen" || die > > make "-j$CPUS" clean &> "${OUTPUT}/build_full_clean.log" || die > > - make "-j$CPUS" debug="$XEN_DEBUG" &> > > "${OUTPUT}/build_full_compile.log" || die > > + make "-j$CPUS" "$XEN_DEBUG" &> "${OUTPUT}/build_full_compile.log" || > > die > > $XEN_DEBUG needs to be unquoted, otherwise you get a build error from make: > make: *** empty string invalid as file name. Stop. > > > cp xen-syms "$OUTPUT" > > } > > > > @@ -87,7 +87,7 @@ function build_special() > > cd "${SRCDIR}/xen" || die > > sed -i 's/CFLAGS += -nostdinc/CFLAGS += -nostdinc -ffunction-sections > > -fdata-sections/' Rules.mk > > sed -i 's/--section-alignment=0x200000/--section-alignment=0x1000/' > > arch/x86/Makefile > > - make "-j$CPUS" debug="$XEN_DEBUG" &> > > "${OUTPUT}/build_${name}_compile.log" || die > > + make "-j$CPUS" "$XEN_DEBUG" &> "${OUTPUT}/build_${name}_compile.log" > > || die > > Same here. > > > sed -i 's/CFLAGS += -nostdinc -ffunction-sections > > -fdata-sections/CFLAGS += -nostdinc/' Rules.mk > > sed -i 's/--section-alignment=0x1000/--section-alignment=0x200000/' > > arch/x86/Makefile > > > > @@ -165,7 +165,7 @@ usage() { > > echo " -j, --cpus Number of CPUs to use" >&2 > > echo " -k, --skip Skip build or diff phase" >&2 > > echo " -d, --debug Enable debug logging" >&2 > > - echo " --xen-debug Build debug Xen" >&2 > > + echo " --xen-debug Build debug Xen (if your .config does > > not have the options)" >&2 > > echo " --xen-syms Build against a xen-syms" >&2 > > echo " --depends Required build-id" >&2 > > echo " --prelink Prelink" >&2 > > @@ -277,6 +277,20 @@ if [ "${SKIP}" != "build" ]; then > > cp -f "${CONFIGFILE}" "${OUTPUT}/.config" > > cp -f "${OUTPUT}/.config" "xen/.config" > > > > + grep -q CONFIG_DEBUG "xen/.config" > > + if [ $? -eq 0 ]; then > > + if [ "$XEN_DEBUG" == "y" ]; then > > + grep -q "CONFIG_DEBUG=y" "xen/.config" > > + if [ $? -ne 0 ]; then > > + echo "CONFIG_DEBUG and --xen-debug mismatch!" > > + die > > + fi > > This would be cleaner as a oneliner: > grep -q "CONFIG_DEBUG=y" "xen/.config" || die "CONFIG_DEBUG and --xen-debug > mismatch!" Yeah, let me put that in the conditional. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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