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userfaultfd: selftest: headers fixup 

Depend on "make headers_install" to create proper headers to include and
provide syscall numbers.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrea Arcangeli 2015-09-22 14:58:55 -07:00 committed by Linus Torvalds
parent d0a871141d
commit 67f6a029b2
2 changed files with 5 additions and 12 deletions
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7
tools/testing/selftests/vm/Makefile
View File

@ -12,8 +12,11 @@ BINARIES += userfaultfd
all: $(BINARIES)
%: %.c
$(CC) $(CFLAGS) -o $@ $^ -lrt
userfaultfd: userfaultfd.c
$(CC) $(CFLAGS) -O2 -o $@ $^ -lpthread
userfaultfd: userfaultfd.c ../../../../usr/include/linux/kernel.h
$(CC) $(CFLAGS) -O2 -o $@ $< -lpthread
../../../../usr/include/linux/kernel.h:
make -C ../../../.. headers_install
TEST_PROGS := run_vmtests
TEST_FILES := $(BINARIES)

10
tools/testing/selftests/vm/userfaultfd.c
View File

@ -67,18 +67,8 @@
#include <linux/userfaultfd.h>
#ifndef __NR_userfaultfd
#ifdef __x86_64__
#define __NR_userfaultfd 323
#elif defined(__i386__)
#define __NR_userfaultfd 374
#elif defined(__powewrpc__)
#define __NR_userfaultfd 364
#elif defined(__s390__)
#define __NR_userfaultfd 355
#else
#error "missing __NR_userfaultfd definition"
#endif
#endif
static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size;