linux-kernel - Re: [process_vm_access] BUG: unable to handle kernel paging request at fffffff27b92dd20

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Message-ID: <20140212003803.GL18016@ZenIV.linux.org.uk>
Date:	Wed, 12 Feb 2014 00:38:03 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Fengguang Wu <fengguang.wu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [process_vm_access] BUG: unable to handle kernel paging request
 at fffffff27b92dd20

On Tue, Feb 11, 2014 at 04:27:45PM -0800, Andrew Morton wrote:
> On Mon, 10 Feb 2014 19:22:31 +0800 Fengguang Wu <fengguang.wu@...el.com> wrote:
> 
> > We noticed the below oops since commit 68a25f08c9bec07ad95e55a01b127168e43aed84
> > ("process_vm_access: take get_user_pages/put_pages one level up")
> > while running ltp tests inside kvm.
> 
> I can't find this patch anywhere.  Where did it come from?

It used to be in vfs.git#iov_iter; fixed since then, but this stuff is still
not in #for-next.
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