linux-kernel - Re: [PATCH] ipc: fix call

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Date:   Mon, 15 Jun 2020 04:55:15 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Julia Lawall <julia.lawall@...ia.fr>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Waiman Long <longman@...hat.com>,
        Vasily Averin <vvs@...tuozzo.com>,
        Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>,
        linux-kernel@...r.kernel.org, kbuild-all@...ts.01.org
Subject: Re: [PATCH] ipc: fix call_kern.cocci warnings

On Mon, Jun 15, 2020 at 01:53:54PM +0200, Julia Lawall wrote:
> From: kernel test robot <lkp@...el.com>
> 
> This function is called from ipc_addid with a spin lock held so change
> GFP_KERNEL to GFP_ATOMIC.
> 
> Generated by: scripts/coccinelle/locks/call_kern.cocci
> 
> Fixes: dc996261c060 ("ipc: convert ipcs_idr to XArray")

We're dropping this patch; the problems go far deeper.