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From: Jens Axboe <axboe@kernel.dk>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build warnings after merge of the block tree
Date: Tue, 6 Feb 2024 07:49:22 -0700	[thread overview]
Message-ID: <1ca1e83e-8283-4f64-b5fa-0d0a07dbdb7f@kernel.dk> (raw)
In-Reply-To: <20240206131050.0e86d882@canb.auug.org.au>

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



  parent reply	other threads:[~2024-02-06 14:49 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-06  2:10 linux-next: build warnings after merge of the block tree Stephen Rothwell
2024-02-06  4:13 ` Stephen Rothwell
2024-02-06 11:12 ` Geert Uytterhoeven
2024-02-06 13:42   ` Geert Uytterhoeven
2024-02-06 14:53     ` Jens Axboe
2024-02-06 14:49 ` Jens Axboe [this message]
  -- strict thread matches above, loose matches on Subject: below --
2023-07-27  6:10 Stephen Rothwell
2023-07-27 12:41 ` Jens Axboe
2023-03-27  1:00 Stephen Rothwell
2023-03-27 16:26 ` Josh Poimboeuf
2023-03-27 23:47   ` Stephen Rothwell
2023-04-11 21:34     ` Stephen Rothwell
2023-04-11 21:55       ` Josh Poimboeuf
2023-04-11 22:39         ` Jens Axboe
2023-04-12  0:14           ` Josh Poimboeuf
2023-04-12  1:48             ` Jens Axboe
2023-04-12 11:44             ` Peter Zijlstra
2023-04-12 16:25               ` Josh Poimboeuf
2023-04-12 16:35                 ` Jens Axboe
2023-04-12 16:44                   ` Jens Axboe
2023-04-12 16:56                     ` Josh Poimboeuf
2023-04-12 17:57                       ` Jens Axboe
2023-06-16 12:43                 ` Peter Zijlstra
2023-06-16 12:49                   ` Borislav Petkov
2023-07-03 11:04                   ` Peter Zijlstra
2023-07-03 14:18                     ` Jens Axboe
2023-07-03 15:14                       ` Peter Zijlstra
2023-04-11 22:30       ` Jens Axboe
2022-07-15 11:51 Stephen Rothwell
2020-03-03  1:41 Stephen Rothwell
2020-03-03  2:59 ` Jens Axboe
2018-03-01  0:26 Stephen Rothwell
2018-03-01  4:02 ` Anshuman Khandual
2018-03-01 15:37   ` Jens Axboe
2013-11-26  2:29 Stephen Rothwell
2013-11-26  3:35 ` Stephen Rothwell
2013-11-26 19:01   ` Olof Johansson
2013-11-26 19:02     ` Jens Axboe
2011-01-07  0:02 Stephen Rothwell
2011-01-07  1:49 ` Mathieu Desnoyers

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