workqueue: fix enum type for gcc-13

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In gcc-13, the WORK_STRUCT_WQ_DATA_MASK constant is a signed 64-bit
type on 32-bit architectures because the enum definition has both
negative numbers and numbers above LONG_MAX in it:

kernel/workqueue.c: In function 'get_work_pwq':
kernel/workqueue.c:709:24: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
  709 |                 return (void *)(data & WORK_STRUCT_WQ_DATA_MASK);
      |                        ^
kernel/workqueue.c: In function 'get_work_pool':
kernel/workqueue.c:737:25: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
  737 |                 return ((struct pool_workqueue *)
      |                         ^
kernel/workqueue.c: In function 'get_work_pool_id':
kernel/workqueue.c:759:25: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
  759 |                 return ((struct pool_workqueue *)
      |                         ^

Change the enum definition to ensure all values can fit into
the range of 'unsigned long' on all architectures.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Thierry Reding <treding@nvidia.com>
Tested-by: Lai Jiangshan<jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

...

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Arnd Bergmann 2023-01-17 17:40:35 +01:00 • committed by Tejun Heo

parent 8a1dd1e547

commit 525ff9c296

1 changed files with 1 additions and 1 deletions

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include/linux/workqueue.h

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