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From: Jiri Kosina <jikos@kernel.org>
To: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] HID: fix few non-DMA capable HID transfers
Date: Wed, 23 Nov 2016 17:44:13 +0100 (CET)	[thread overview]
Message-ID: <alpine.LNX.2.00.1611231743450.29400@cbobk.fhfr.pm> (raw)
In-Reply-To: <1479725322-30863-1-git-send-email-benjamin.tissoires@redhat.com>

On Mon, 21 Nov 2016, Benjamin Tissoires wrote:

> While playing a little bit with the CP2112 (for hid-rmi I must confess), I
> realized that kernel v4.9 now enforces DMA capable buffers when calling
> hid_hw_raw_request(). Kernel v4.8 works fine (but gives a stacktrace the first
> time), but v4.9 doesn't.
> 
> So I gave a check of all the other drivers in the HID tree, and it looks like
> only 4 drivers are not properly allocating their buffers.
> 
> I'd say this is v4.9 material but I was not able to test magicmouse and lg.
> If this doesn't qualifies for 4.9-rc7, I think we should add the stable@ stamp,
> given that the chance this will break hid-rmi is huge (cp2112 is not so much an
> issue, given it's a devel board).

Thanks for fixing this up. Applied to for-4.9/upstream-fixes.

-- 
Jiri Kosina
SUSE Labs

      parent reply	other threads:[~2016-11-23 16:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-21 10:48 [PATCH 0/4] HID: fix few non-DMA capable HID transfers Benjamin Tissoires
2016-11-21 10:48 ` [PATCH 1/4] HID: cp2112: make transfer buffers DMA capable Benjamin Tissoires
2016-11-21 10:48 ` [PATCH 2/4] HID: lg: " Benjamin Tissoires
2016-11-21 12:05   ` [PATCH] HID: lg: fix noderef.cocci warnings kbuild test robot
2016-11-21 14:17     ` Benjamin Tissoires
2016-11-22 10:44       ` Jiri Kosina
2016-11-23  2:22         ` Fengguang Wu
2016-11-23  7:03           ` Julia Lawall
2016-11-21 12:05   ` [PATCH 2/4] HID: lg: make transfer buffers DMA capable kbuild test robot
2016-11-21 10:48 ` [PATCH 3/4] HID: magicmouse: " Benjamin Tissoires
2016-11-21 10:48 ` [PATCH 4/4] HID: rmi: " Benjamin Tissoires
2016-11-23 16:44 ` Jiri Kosina [this message]

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