On 2/5/24 7:10 PM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the block tree, today's linux-next build (arm
> multi_v7_defconfig) produced these warnings:
>
> In file included from /home/sfr/next/next/include/linux/bits.h:6,
> from /home/sfr/next/next/include/linux/bitops.h:6,
> from /home/sfr/next/next/include/linux/kernel.h:23,
> from /home/sfr/next/next/io_uring/nop.c:2:
> /home/sfr/next/next/include/vdso/bits.h:7:40: warning: left shift count >= width of type [-Wshift-count-overflow]
> 7 | #define BIT(nr) (UL(1) << (nr))
> | ^~
> /home/sfr/next/next/include/linux/io_uring_types.h:538:35: note: in expansion of macro 'BIT'
> 538 | REQ_F_CAN_POLL = BIT(REQ_F_CAN_POLL_BIT),
> | ^~~
>
> (and mny more similar)
>
> Introduced by commit
>
> d964e8440442 ("io_uring: add io_file_can_poll() helper")
>
> REQ_F_CAN_POLL_BIT is 32.
Oops yes, didn't get around to 32-bit compiles just yet. I'll fix it
up, thanks.
--
Jens Axboe
