* Re: [PATCH] drm/msm: Fix shrinker deadlock
[not found] <20260508065722.18785-1-daniel@quora.org>
@ 2026-05-10 12:30 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-10 12:30 UTC (permalink / raw)
To: Daniel J Blueman, Rob Clark, Dmitry Baryshkov, Abhinav Kumar,
Jessica Zhang, Sean Paul, Marijn Suijten, David Airlie,
Simona Vetter, Antonino Maniscalco
Cc: llvm, oe-kbuild-all, Daniel J Blueman, linux-arm-msm, dri-devel,
freedreno, linux-kernel, stable
Hi Daniel,
kernel test robot noticed the following build errors:
[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v7.1-rc2 next-20260508]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-J-Blueman/drm-msm-Fix-shrinker-deadlock/20260510-132942
base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link: https://lore.kernel.org/r/20260508065722.18785-1-daniel%40quora.org
patch subject: [PATCH] drm/msm: Fix shrinker deadlock
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20260510/202605102047.JRDq9587-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260510/202605102047.JRDq9587-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605102047.JRDq9587-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/gpu/drm/msm/msm_gem_shrinker.c:10:
In file included from drivers/gpu/drm/msm/msm_drv.h:22:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/gpu/drm/msm/msm_gem_shrinker.c:125:46: error: too many arguments to function call, expected 2, have 3
125 | return with_vm_locks(ticket, msm_gem_evict, obj);
| ~~~~~~~~~~~~~ ^~~
drivers/gpu/drm/msm/msm_gem_shrinker.c:46:1: note: 'with_vm_locks' declared here
46 | with_vm_locks(void (*fn)(struct drm_gem_object *obj),
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
47 | struct drm_gem_object *obj)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning and 1 error generated.
vim +125 drivers/gpu/drm/msm/msm_gem_shrinker.c
6afb0750dba05c Rob Clark 2021-04-05 115
63f17ef834284d Rob Clark 2021-04-05 116 static bool
02070f04987524 Rob Clark 2025-06-29 117 evict(struct drm_gem_object *obj, struct ww_acquire_ctx *ticket)
63f17ef834284d Rob Clark 2021-04-05 118 {
b352ba54a82072 Rob Clark 2022-08-02 119 if (is_unevictable(to_msm_bo(obj)))
63f17ef834284d Rob Clark 2021-04-05 120 return false;
63f17ef834284d Rob Clark 2021-04-05 121
b352ba54a82072 Rob Clark 2022-08-02 122 if (msm_gem_active(obj))
01780d02634a3a Rob Clark 2022-08-02 123 return false;
01780d02634a3a Rob Clark 2022-08-02 124
fe4952b5f27cca Rob Clark 2025-06-29 @125 return with_vm_locks(ticket, msm_gem_evict, obj);
63f17ef834284d Rob Clark 2021-04-05 126 }
63f17ef834284d Rob Clark 2021-04-05 127
--
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https://github.com/intel/lkp-tests/wiki
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