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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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benchmarks/gem_exec_reloc.c
+3 -3
View File
@@ -115,13 +115,13 @@ static int run(unsigned batch_size,
if (num_relocs) {
size = ALIGN(sizeof(*mem_reloc)*num_relocs, 4096);
reloc_handle = gem_create(fd, size);
reloc = gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
reloc = __gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
memcpy(reloc, mem_reloc, sizeof(*mem_reloc)*num_relocs);
munmap(reloc, size);
if (flags & FAULT) {
igt_disable_prefault();
reloc = gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
reloc = __gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
} else
reloc = mem_reloc;
}
@@ -162,7 +162,7 @@ static int run(unsigned batch_size,
}
if (flags & FAULT && reloc) {
munmap(reloc, size);
reloc = gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
reloc = __gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_READ | PROT_WRITE);
gem_exec[num_objects].relocs_ptr = (uintptr_t)reloc;
}
gem_execbuf(fd, &execbuf);