From: Thierry Reding Date: Tue, 22 Sep 2015 21:58:52 +0000 (-0700) Subject: userfaultfd: selftests: vm: pick up sanitized kernel headers X-Git-Tag: v4.3-rc3~24^2~13 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0a871141d07929b559f5eae9c3fc4b63d16866b;p=profile%2Fwearable%2Fplatform%2Fkernel%2Flinux-4.9-exynos9110.git userfaultfd: selftests: vm: pick up sanitized kernel headers Add the usr/include subdirectory of the top-level tree to the include path, and make sure to include headers without relative paths to make sure the sanitized headers get picked up. Otherwise the compiler will not be able to find the linux/compiler.h header included by the non- sanitized include/uapi/linux/userfaultfd.h. While at it, make sure to only hardcode the syscall numbers on x86 and PowerPC if they haven't been properly picked up from the headers. Signed-off-by: Thierry Reding Acked-by: Michael Ellerman Cc: Shuah Khan Signed-off-by: Andrea Arcangeli Cc: Dr. David Alan Gilbert Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index d36fab7..949e275 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -1,6 +1,6 @@ # Makefile for vm selftests -CFLAGS = -Wall +CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS) BINARIES = compaction_test BINARIES += hugepage-mmap BINARIES += hugepage-shm diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 7c1d958..59d145f 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -64,8 +64,9 @@ #include #include #include -#include "../../../../include/uapi/linux/userfaultfd.h" +#include +#ifndef __NR_userfaultfd #ifdef __x86_64__ #define __NR_userfaultfd 323 #elif defined(__i386__) @@ -77,6 +78,7 @@ #else #error "missing __NR_userfaultfd definition" #endif +#endif static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size;