CC: [email protected] CC: [email protected] TO: Chris Wilson <[email protected]> CC: Matthew Auld <[email protected]> CC: "Thomas Hellström" <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f4bc5bbb5fef3cf421ba3485d6d383c27ec473ed commit: 563baae1875cbcac332086cca325cf55a0532b9e drm/i915/gt: Pipelined clear date: 8 months ago :::::: branch date: 20 hours ago :::::: commit date: 8 months ago config: i386-randconfig-m031-20220207 (https://download.01.org/0day-ci/archive/20220210/[email protected]/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: drivers/gpu/drm/i915/gt/selftest_migrate.c:182 clear() error: uninitialized symbol 'rq'. drivers/gpu/drm/i915/gt/selftest_migrate.c:193 clear() error: uninitialized symbol 'vaddr'. Old smatch warnings: drivers/gpu/drm/i915/gt/selftest_migrate.c:102 copy() error: uninitialized symbol 'rq'. drivers/gpu/drm/i915/gt/selftest_migrate.c:113 copy() error: uninitialized symbol 'vaddr'. drivers/gpu/drm/i915/gem/i915_gem_object.h:182 __i915_gem_object_lock() error: we previously assumed 'ww' could be null (see line 171) vim +/rq +182 drivers/gpu/drm/i915/gt/selftest_migrate.c cf586021642d80 Chris Wilson 2021-06-17 131 563baae1875cbc Chris Wilson 2021-06-17 132 static int clear(struct intel_migrate *migrate, 563baae1875cbc Chris Wilson 2021-06-17 133 int (*fn)(struct intel_migrate *migrate, 563baae1875cbc Chris Wilson 2021-06-17 134 struct i915_gem_ww_ctx *ww, 563baae1875cbc Chris Wilson 2021-06-17 135 struct drm_i915_gem_object *obj, 563baae1875cbc Chris Wilson 2021-06-17 136 u32 value, 563baae1875cbc Chris Wilson 2021-06-17 137 struct i915_request **out), 563baae1875cbc Chris Wilson 2021-06-17 138 u32 sz, struct rnd_state *prng) 563baae1875cbc Chris Wilson 2021-06-17 139 { 563baae1875cbc Chris Wilson 2021-06-17 140 struct drm_i915_private *i915 = migrate->context->engine->i915; 563baae1875cbc Chris Wilson 2021-06-17 141 struct drm_i915_gem_object *obj; 563baae1875cbc Chris Wilson 2021-06-17 142 struct i915_request *rq; 563baae1875cbc Chris Wilson 2021-06-17 143 struct i915_gem_ww_ctx ww; 563baae1875cbc Chris Wilson 2021-06-17 144 u32 *vaddr; 563baae1875cbc Chris Wilson 2021-06-17 145 int err = 0; 563baae1875cbc Chris Wilson 2021-06-17 146 int i; 563baae1875cbc Chris Wilson 2021-06-17 147 563baae1875cbc Chris Wilson 2021-06-17 148 obj = create_lmem_or_internal(i915, sz); 563baae1875cbc Chris Wilson 2021-06-17 149 if (IS_ERR(obj)) 563baae1875cbc Chris Wilson 2021-06-17 150 return 0; 563baae1875cbc Chris Wilson 2021-06-17 151 563baae1875cbc Chris Wilson 2021-06-17 152 for_i915_gem_ww(&ww, err, true) { 563baae1875cbc Chris Wilson 2021-06-17 153 err = i915_gem_object_lock(obj, &ww); 563baae1875cbc Chris Wilson 2021-06-17 154 if (err) 563baae1875cbc Chris Wilson 2021-06-17 155 continue; 563baae1875cbc Chris Wilson 2021-06-17 156 563baae1875cbc Chris Wilson 2021-06-17 157 vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC); 563baae1875cbc Chris Wilson 2021-06-17 158 if (IS_ERR(vaddr)) { 563baae1875cbc Chris Wilson 2021-06-17 159 err = PTR_ERR(vaddr); 563baae1875cbc Chris Wilson 2021-06-17 160 continue; 563baae1875cbc Chris Wilson 2021-06-17 161 } 563baae1875cbc Chris Wilson 2021-06-17 162 563baae1875cbc Chris Wilson 2021-06-17 163 for (i = 0; i < sz / sizeof(u32); i++) 563baae1875cbc Chris Wilson 2021-06-17 164 vaddr[i] = ~i; 563baae1875cbc Chris Wilson 2021-06-17 165 i915_gem_object_flush_map(obj); 563baae1875cbc Chris Wilson 2021-06-17 166 563baae1875cbc Chris Wilson 2021-06-17 167 err = fn(migrate, &ww, obj, sz, &rq); 563baae1875cbc Chris Wilson 2021-06-17 168 if (!err) 563baae1875cbc Chris Wilson 2021-06-17 169 continue; 563baae1875cbc Chris Wilson 2021-06-17 170 563baae1875cbc Chris Wilson 2021-06-17 171 if (err != -EDEADLK && err != -EINTR && err != -ERESTARTSYS) 563baae1875cbc Chris Wilson 2021-06-17 172 pr_err("%ps failed, size: %u\n", fn, sz); 563baae1875cbc Chris Wilson 2021-06-17 173 if (rq) { 563baae1875cbc Chris Wilson 2021-06-17 174 i915_request_wait(rq, 0, HZ); 563baae1875cbc Chris Wilson 2021-06-17 175 i915_request_put(rq); 563baae1875cbc Chris Wilson 2021-06-17 176 } 563baae1875cbc Chris Wilson 2021-06-17 177 i915_gem_object_unpin_map(obj); 563baae1875cbc Chris Wilson 2021-06-17 178 } 563baae1875cbc Chris Wilson 2021-06-17 179 if (err) 563baae1875cbc Chris Wilson 2021-06-17 180 goto err_out; 563baae1875cbc Chris Wilson 2021-06-17 181 563baae1875cbc Chris Wilson 2021-06-17 @182 if (rq) { 563baae1875cbc Chris Wilson 2021-06-17 183 if (i915_request_wait(rq, 0, HZ) < 0) { 563baae1875cbc Chris Wilson 2021-06-17 184 pr_err("%ps timed out, size: %u\n", fn, sz); 563baae1875cbc Chris Wilson 2021-06-17 185 err = -ETIME; 563baae1875cbc Chris Wilson 2021-06-17 186 } 563baae1875cbc Chris Wilson 2021-06-17 187 i915_request_put(rq); 563baae1875cbc Chris Wilson 2021-06-17 188 } 563baae1875cbc Chris Wilson 2021-06-17 189 563baae1875cbc Chris Wilson 2021-06-17 190 for (i = 0; !err && i < sz / PAGE_SIZE; i++) { 563baae1875cbc Chris Wilson 2021-06-17 191 int x = i * 1024 + i915_prandom_u32_max_state(1024, prng); 563baae1875cbc Chris Wilson 2021-06-17 192 563baae1875cbc Chris Wilson 2021-06-17 @193 if (vaddr[x] != sz) { 563baae1875cbc Chris Wilson 2021-06-17 194 pr_err("%ps failed, size: %u, offset: %zu\n", 563baae1875cbc Chris Wilson 2021-06-17 195 fn, sz, x * sizeof(u32)); 563baae1875cbc Chris Wilson 2021-06-17 196 igt_hexdump(vaddr + i * 1024, 4096); 563baae1875cbc Chris Wilson 2021-06-17 197 err = -EINVAL; 563baae1875cbc Chris Wilson 2021-06-17 198 } 563baae1875cbc Chris Wilson 2021-06-17 199 } 563baae1875cbc Chris Wilson 2021-06-17 200 563baae1875cbc Chris Wilson 2021-06-17 201 i915_gem_object_unpin_map(obj); 563baae1875cbc Chris Wilson 2021-06-17 202 err_out: 563baae1875cbc Chris Wilson 2021-06-17 203 i915_gem_object_put(obj); 563baae1875cbc Chris Wilson 2021-06-17 204 563baae1875cbc Chris Wilson 2021-06-17 205 return err; 563baae1875cbc Chris Wilson 2021-06-17 206 } 563baae1875cbc Chris Wilson 2021-06-17 207 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
