linux-kernel - Re: linux-next: build warning after merge of the block tree

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Date:   Thu, 22 Oct 2020 18:30:52 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the block tree

On 10/22/20 5:48 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the block tree, today's linux-next build (KCONFIG_NAME)
> produced this warning:
> 
> fs/io_uring.c: In function 'loop_rw_iter':
> fs/io_uring.c:3141:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>  3141 |    iovec.iov_base = (void __user *) req->rw.addr;
>       |                     ^
> 
> Introduced by commit
> 
>   a5371db1e38d ("io_uring: make loop_rw_iter() use original user supplied pointers")

Thanks, not sure why I didn't use u64_to_user_pointer() in the first
place - updated now.

-- 
Jens Axboe