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Re: [Xen-devel] [PATCH] x86/shim: Fix parallel build following c/s 32b1d62887d0
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Mon, 5 Aug 2019 16:06:28 +0000
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 05 Aug 2019 16:08:18 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVS5VCLsUfjjNYSkSWxIawZ+ErEabsuEeA
- Thread-topic: [Xen-devel] [PATCH] x86/shim: Fix parallel build following c/s 32b1d62887d0
On 05.08.2019 15:53, Andrew Cooper wrote:
> --- a/tools/firmware/xen-dir/Makefile
> +++ b/tools/firmware/xen-dir/Makefile
> @@ -38,7 +38,7 @@ linkfarm.stamp: $(DEP_DIRS) $(DEP_FILES) FORCE
> }
>
> # Copy enough of the tree to build the shim hypervisor
> -$(D): linkfarm.stamp
> +$(D) $(D)/xen/arch/x86/configs/pvshim_defconfig: linkfarm.stamp
> $(MAKE) -C $(D)/xen distclean
>
> $(D)/xen/.config: $(D) $(D)/xen/arch/x86/configs/pvshim_defconfig
But this then allows two instances of "$(MAKE) -C $(D)/xen distclean"
to run in parallel - not sure how well that would work. I think what
we want instead is
$(D): linkfarm.stamp
$(MAKE) -C $(D)/xen distclean
$(D)/xen/arch/x86/configs/pvshim_defconfig: $(D)
$(D)/xen/.config: $(D)/xen/arch/x86/configs/pvshim_defconfig
...
Jan
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