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Make gem_mmap__{cpu,gtt,wc}() assert on failure

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Rename the current gem_mmap__{cpu,gtt,wc}() functions into
__gem_mmap__{cpu,gtt,wc}(), and add back wrappers with the original name
that assert that the pointer is valid. Most callers will expect a valid
pointer and shouldn't have to bother with failures.

To avoid changing anything (yet), sed 's/gem_mmap__/__gem_mmap__/g'
over the entire codebase.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Stochastically-reviwewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä
2015-10-09 18:29:28 +03:00
parent 106fe21373
commit b8a77dd6c8
52 changed files with 212 additions and 152 deletions
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tests/gem_mmap.c
+2 -2
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@@ -80,7 +80,7 @@ test_huge_bo(int huge)
bo = gem_create(fd, huge_object_size);
/* Obtain CPU mapping for the object. */
ptr_cpu = gem_mmap__cpu(fd, bo, 0, huge_object_size,
ptr_cpu = __gem_mmap__cpu(fd, bo, 0, huge_object_size,
PROT_READ | PROT_WRITE);
igt_require(ptr_cpu);
gem_set_domain(fd, bo, I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
@@ -166,7 +166,7 @@ igt_main
igt_subtest("short-mmap") {
igt_assert(OBJECT_SIZE > 4096);
arg.handle = gem_create(fd, OBJECT_SIZE);
addr = gem_mmap__cpu(fd, arg.handle, 0, 4096, PROT_WRITE);
addr = __gem_mmap__cpu(fd, arg.handle, 0, 4096, PROT_WRITE);
igt_assert(addr);
memset(addr, 0, 4096);
munmap(addr, 4096);