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Date: Thu, 6 Jan 2022 06:06:50 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [jolsa-perf:kprobe/multi 4/14]
drivers/gpu/drm/i915/gem/i915_gem_internal.c:174:6: error: shift count >=
width of type
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git kprobe/multi
head: 27d253a29de023f664387fcc049edeeaadf23c8e
commit: fbf6ec1e4f8e6c1fed1e1d14f16595e2dc01902d [4/14] kprobe: Add support to register multiple ftrace kprobes
config: x86_64-randconfig-r011-20220105 (https://download.01.org/0day-ci/archive/20220106/202201060655.KDdXDde2-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=fbf6ec1e4f8e6c1fed1e1d14f16595e2dc01902d
git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf kprobe/multi
git checkout fbf6ec1e4f8e6c1fed1e1d14f16595e2dc01902d
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from drivers/gpu/drm/i915/gem/i915_gem_internal.c:11:
In file included from drivers/gpu/drm/i915/i915_drv.h:41:
In file included from include/linux/backlight.h:13:
In file included from include/linux/fb.h:6:
In file included from include/linux/kgdb.h:19:
include/linux/kprobes.h:77:21: error: field has incomplete type 'struct ftrace_ops'
struct ftrace_ops ops;
^
include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops'
struct ftrace_ops;
^
In file included from drivers/gpu/drm/i915/gem/i915_gem_internal.c:11:
In file included from drivers/gpu/drm/i915/i915_drv.h:84:
In file included from drivers/gpu/drm/i915/gt/intel_engine.h:18:
In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9:
In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:19:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h:13:
In file included from drivers/gpu/drm/i915/i915_vma.h:34:
drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
if (overflows_type(size, obj->base.size))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^ ~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/gem/i915_gem_internal.c:174:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
if (overflows_type(size, obj->base.size))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^ ~~~~~~~~~~~~~~~~
3 errors generated.
--
In file included from drivers/gpu/drm/i915/i915_query.c:9:
In file included from drivers/gpu/drm/i915/i915_drv.h:41:
In file included from include/linux/backlight.h:13:
In file included from include/linux/fb.h:6:
In file included from include/linux/kgdb.h:19:
include/linux/kprobes.h:77:21: error: field has incomplete type 'struct ftrace_ops'
struct ftrace_ops ops;
^
include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops'
struct ftrace_ops;
^
In file included from drivers/gpu/drm/i915/i915_query.c:9:
In file included from drivers/gpu/drm/i915/i915_drv.h:84:
In file included from drivers/gpu/drm/i915/gt/intel_engine.h:18:
In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9:
In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:19:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h:13:
In file included from drivers/gpu/drm/i915/i915_vma.h:34:
drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
if (overflows_type(size, obj->base.size))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^ ~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/i915_query.c:512:7: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
if (overflows_type(item.query_id - 1, unsigned long))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^ ~~~~~~~~~~~~~~~~
3 errors generated.
--
In file included from drivers/gpu/drm/i915/display/intel_fb.c:9:
In file included from drivers/gpu/drm/i915/display/intel_display.h:28:
In file included from include/drm/drm_util.h:36:
In file included from include/linux/kgdb.h:19:
include/linux/kprobes.h:77:21: error: field has incomplete type 'struct ftrace_ops'
struct ftrace_ops ops;
^
include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops'
struct ftrace_ops;
^
In file included from drivers/gpu/drm/i915/display/intel_fb.c:10:
In file included from drivers/gpu/drm/i915/display/intel_display_types.h:47:
In file included from drivers/gpu/drm/i915/i915_drv.h:84:
In file included from drivers/gpu/drm/i915/gt/intel_engine.h:18:
In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9:
In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:19:
In file included from drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h:13:
In file included from drivers/gpu/drm/i915/i915_vma.h:34:
drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
if (overflows_type(size, obj->base.size))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^ ~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_fb.c:863:2: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
assign_chk_ovf(i915, remap_info->offset, obj_offset);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_fb.c:845:28: note: expanded from macro 'assign_chk_ovf'
drm_WARN_ON(&(i915)->drm, overflows_type(val, var)); \
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_utils.h:126:32: note: expanded from macro 'overflows_type'
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
^
include/drm/drm_print.h:593:19: note: expanded from macro 'drm_WARN_ON'
drm_WARN((drm), (x), "%s", \
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/drm/drm_print.h:583:7: note: expanded from macro 'drm_WARN'
WARN(condition, "%s %s: " format, \
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/bug.h:130:25: note: expanded from macro 'WARN'
int __ret_warn_on = !!(condition); \
^~~~~~~~~
3 errors generated.
vim +174 drivers/gpu/drm/i915/gem/i915_gem_internal.c
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 147
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 148 /**
40f46095db0691b drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2018-02-08 149 * i915_gem_object_create_internal: create an object with volatile pages
40f46095db0691b drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2018-02-08 150 * @i915: the i915 device
40f46095db0691b drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2018-02-08 151 * @size: the size in bytes of backing storage to allocate for the object
40f46095db0691b drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2018-02-08 152 *
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 153 * Creates a new object that wraps some internal memory for private use.
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 154 * This object is not backed by swappable storage, and as such its contents
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 155 * are volatile and only valid whilst pinned. If the object is reaped by the
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 156 * shrinker, its pages and data will be discarded. Equally, it is not a full
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 157 * GEM object and so not valid for access from userspace. This makes it useful
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 158 * for hardware interfaces like ringbuffers (which are pinned from the time
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 159 * the request is written to the time the hardware stops accessing it), but
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 160 * not for contexts (which need to be preserved when not active for later
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 161 * reuse). Note that it is not cleared upon allocation.
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 162 */
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 163 struct drm_i915_gem_object *
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 164 i915_gem_object_create_internal(struct drm_i915_private *i915,
fcd46e53449c4d6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-01-12 165 phys_addr_t size)
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 166 {
7867d709959927e drivers/gpu/drm/i915/gem/i915_gem_internal.c Chris Wilson 2019-10-22 167 static struct lock_class_key lock_class;
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 168 struct drm_i915_gem_object *obj;
b8f55be64453ea7 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-08-11 169 unsigned int cache_level;
920cf4194954ec6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2016-10-28 170
fcd46e53449c4d6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-01-12 171 GEM_BUG_ON(!size);
bf6b2030bed9371 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-01-16 172 GEM_BUG_ON(!IS_ALIGNED(size, PAGE_SIZE));
fcd46e53449c4d6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-01-12 173
fcd46e53449c4d6 drivers/gpu/drm/i915/i915_gem_internal.c Chris Wilson 2017-01-12 @174 if (overflows_type(size, obj->base.size))
:::::: The code at line 174 was first introduced by commit
:::::: fcd46e53449c4d659ffbedcd2823ea2f73e39927 drm/i915: Declare i915_gem_object_create_internal() as taking phys_addr_t size
:::::: TO: Chris Wilson <chris@...is-wilson.co.uk>
:::::: CC: Chris Wilson <chris@...is-wilson.co.uk>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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