igt/gem_userptr_blits: Fix forked access test

copy() blit helper assumes a certain object size much larger than a page size.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/tests/gem_userptr_blits.c b/tests/gem_userptr_blits.c
index 2a52856..3d045a7 100644 (file)
--- a/tests/gem_userptr_blits.c
+++ b/tests/gem_userptr_blits.c
@@ -589,22 +589,22 @@ static void test_forked_access(int fd)
        void *ptr1 = NULL, *ptr2 = NULL;
        int ret;
 
-       ret = posix_memalign(&ptr1, PAGE_SIZE, PAGE_SIZE);
-       ret |= madvise(ptr1, PAGE_SIZE, MADV_DONTFORK);
-       ret |= gem_userptr(fd, ptr1, PAGE_SIZE, 0, &handle1);
+       ret = posix_memalign(&ptr1, PAGE_SIZE, sizeof(linear));
+       ret |= madvise(ptr1, sizeof(linear), MADV_DONTFORK);
+       ret |= gem_userptr(fd, ptr1, sizeof(linear), 0, &handle1);
        igt_assert(ret == 0);
        igt_assert(ptr1);
        igt_assert(handle1);
 
-       ret = posix_memalign(&ptr2, PAGE_SIZE, PAGE_SIZE);
-       ret |= madvise(ptr2, PAGE_SIZE, MADV_DONTFORK);
-       ret |= gem_userptr(fd, ptr2, PAGE_SIZE, 0, &handle2);
+       ret = posix_memalign(&ptr2, PAGE_SIZE, sizeof(linear));
+       ret |= madvise(ptr2, sizeof(linear), MADV_DONTFORK);
+       ret |= gem_userptr(fd, ptr2, sizeof(linear), 0, &handle2);
        igt_assert(ret == 0);
        igt_assert(ptr2);
        igt_assert(handle2);
 
-       memset(ptr1, 0x1, PAGE_SIZE);
-       memset(ptr2, 0x2, PAGE_SIZE);
+       memset(ptr1, 0x1, sizeof(linear));
+       memset(ptr2, 0x2, sizeof(linear));
 
        igt_fork(child, 1) {
                copy(fd, handle1, handle2, 0);
@@ -617,13 +617,13 @@ static void test_forked_access(int fd)
        gem_close(fd, handle1);
        gem_close(fd, handle2);
 
-       igt_assert(memcmp(ptr1, ptr2, PAGE_SIZE) == 0);
+       igt_assert(memcmp(ptr1, ptr2, sizeof(linear)) == 0);
 
-       ret = madvise(ptr1, PAGE_SIZE, MADV_DOFORK);
+       ret = madvise(ptr1, sizeof(linear), MADV_DOFORK);
        igt_assert(ret == 0);
        free(ptr1);
 
-       ret = madvise(ptr2, PAGE_SIZE, MADV_DOFORK);
+       ret = madvise(ptr2, sizeof(linear), MADV_DOFORK);
        igt_assert(ret == 0);
        free(ptr2);
 }