From fc5c6930144dfb33039a0e7359db6268fd70cbd3 Mon Sep 17 00:00:00 2001
From: Xiong Zhang <xiong.y.zhang@intel.com>
Date: Fri, 19 Jul 2013 18:42:52 +0800
Subject: [PATCH] tests: add reloc, pread, pwrite slow path subtest

the reloc, pread, pwrite slow path will be prevented by prefault,
these subtests will disable prefault first, then do reloc, pread,
pwrite, finally enable prefault.

Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
---
 tests/gem_exec_faulting_reloc.c | 10 +++++++++-
 tests/gem_mmap_gtt.c            | 15 +++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/tests/gem_exec_faulting_reloc.c b/tests/gem_exec_faulting_reloc.c
index 863a1b03..c7f7b6b7 100644
--- a/tests/gem_exec_faulting_reloc.c
+++ b/tests/gem_exec_faulting_reloc.c
@@ -220,7 +220,15 @@ static void run(int object_size)
 
 int main(int argc, char **argv)
 {
-	run(OBJECT_SIZE);
+	drmtest_subtest_init(argc, argv);
+
+	if (drmtest_run_subtest("normal"))
+		run(OBJECT_SIZE);
+	if (drmtest_run_subtest("no-prefault")) {
+		drmtest_disable_prefault();
+		run(OBJECT_SIZE);
+		drmtest_enable_prefault();
+	}
 
 	return 0;
 }
diff --git a/tests/gem_mmap_gtt.c b/tests/gem_mmap_gtt.c
index e53a942a..5151ea3d 100644
--- a/tests/gem_mmap_gtt.c
+++ b/tests/gem_mmap_gtt.c
@@ -144,6 +144,15 @@ test_read(int fd)
 	munmap(dst, OBJECT_SIZE);
 }
 
+static void
+run_without_prefault(int fd,
+			void (*func)(int fd))
+{
+	drmtest_disable_prefault();
+	func(fd);
+	drmtest_enable_prefault();
+}
+
 int main(int argc, char **argv)
 {
 	int fd;
@@ -163,6 +172,12 @@ int main(int argc, char **argv)
 		test_write(fd);
 	if (drmtest_run_subtest("write-gtt"))
 		test_write_gtt(fd);
+	if (drmtest_run_subtest("read-no-prefault"))
+		run_without_prefault(fd, test_read);
+	if (drmtest_run_subtest("write-no-prefault"))
+		run_without_prefault(fd, test_write);
+	if (drmtest_run_subtest("write-gtt-no-prefault"))
+		run_without_prefault(fd, test_write_gtt);
 
 	close(fd);