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Subject[PATCH v2 2/6] selftests: only compile userfaultfd for x86 and powperpc
Date
Check it before compiling to avoid the failure of building and
installation.

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
---

tools/testing/selftests/vm/Makefile | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 1dacac8..925a82d 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,5 +1,15 @@
# Makefile for vm selftests

+uname_M := $(shell uname -m 2>/dev/null || echo not)
+ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/ppc.*/powerpc/)
+
+ifeq ($(ARCH),powerpc)
+support_userfaultfd = yes
+endif
+ifeq ($(ARCH),x86)
+support_userfaultfd = yes
+endif
+
CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
BINARIES = compaction_test
BINARIES += hugepage-mmap
@@ -9,7 +19,9 @@ BINARIES += mlock2-tests
BINARIES += on-fault-limit
BINARIES += thuge-gen
BINARIES += transhuge-stress
+ifdef support_userfaultfd
BINARIES += userfaultfd
+endif

all: $(BINARIES)
%: %.c
--
2.1.4


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