linux-kernel - Re: [PATCH] block: ioprio: Replace GFP_ATOMIC with GFP_KERNEL in set_task

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Message-ID: <00149ccf-71d7-14e9-fb64-9b8b2ca1e74e@gmail.com>
Date:   Tue, 24 Jul 2018 09:42:28 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Christoph Hellwig <hch@...radead.org>
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: ioprio: Replace GFP_ATOMIC with GFP_KERNEL in
 set_task_ioprio()



On 2018/7/24 5:49, Tetsuo Handa wrote:
> On 2018/07/23 16:18, Christoph Hellwig wrote:
>> Looks good,
> Looks bad. :-(
>
> SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
> {
> (...snipped...)
> 	rcu_read_lock();
> (...snipped...)
> 	ret = set_task_ioprio(p, ioprio);
> (...snipped...)
> 	rcu_read_unlock();
> (...snipped...)

Oops, my tool does not handle SYSCALL_DEFINE3()...
Sorry for my incorrect report.


Best wishes,
Jia-Ju Bai