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[Xen-devel] [PATCH 1/2] tools: OVMF parallel build



Though it doesn't work with make's "-j" option, the build system of OVMF
has an option to specify parallel threads used to run the build.

Using 4 threads to build OVMF looks like a sensible default.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/firmware/ovmf-makefile | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/firmware/ovmf-makefile b/tools/firmware/ovmf-makefile
index 1ad041f..2838744 100644
--- a/tools/firmware/ovmf-makefile
+++ b/tools/firmware/ovmf-makefile
@@ -1,6 +1,3 @@
-# OVMF building system is not ready yet to run in parallel.
-# Force it to be serial in order to exploit parallelism for neighbors.
-
 XEN_ROOT=$(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
@@ -10,6 +7,7 @@ else
 TARGET=RELEASE
 endif
 
+# OVMF build system has its own parallel building support.
 .NOTPARALLEL:
 MAKEFLAGS  += -j1
 
@@ -18,7 +16,7 @@ all: build
 
 .PHONY: build
 build:
-       OvmfPkg/build.sh -a X64 -b $(TARGET)
+       OvmfPkg/build.sh -a X64 -b $(TARGET) -n 4
        cp Build/OvmfX64/$(TARGET)_GCC*/FV/OVMF.fd ovmf.bin
 
 .PHONY: clean
-- 
1.9.1


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