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>
/* convenience constants */
WORK_STRUCT_FLAG_MASK = (1UL << WORK_STRUCT_FLAG_BITS) - 1,
- WORK_STRUCT_WQ_DATA_MASK = ~WORK_STRUCT_FLAG_MASK,
+ WORK_STRUCT_WQ_DATA_MASK = (unsigned long)~WORK_STRUCT_FLAG_MASK,
WORK_STRUCT_NO_POOL = (unsigned long)WORK_OFFQ_POOL_NONE << WORK_OFFQ_POOL_SHIFT,
/* bit mask for work_busy() return values */