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Message-ID: <ca9866f0-622d-a55c-ded5-48b32340de51@amd.com>
Date: Tue, 17 May 2022 11:37:27 +0200
From: Christian König <christian.koenig@....com>
To: Jérôme Pouiller <jerome.pouiller@...abs.com>,
Daniel Vetter <daniel.vetter@...ll.ch>,
Jason Ekstrand <jason@...kstrand.net>,
Pekka Paalanen <pekka.paalanen@...labora.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-buf: fix use of DMA_BUF_SET_NAME_{A,B} in userspace
Am 17.05.22 um 10:32 schrieb Jérôme Pouiller:
> [add stable@...r.kernel.org to the recipients]
Well, that's not what I suggested :)
The question was if we should add a CC stable tag while pushing this.
Greg might be complaining that you shouldn't CC the stable list manually.
> On Tuesday 17 May 2022 09:30:24 CEST Christian König wrote:
>> Am 17.05.22 um 09:27 schrieb Jerome Pouiller:
>>> From: Jérôme Pouiller <jerome.pouiller@...abs.com>
>>>
>>> The typedefs u32 and u64 are not available in userspace. Thus user get
>>> an error he try to use DMA_BUF_SET_NAME_A or DMA_BUF_SET_NAME_B:
>>>
>>> $ gcc -Wall -c -MMD -c -o ioctls_list.o ioctls_list.c
>>> In file included from /usr/include/x86_64-linux-gnu/asm/ioctl.h:1,
>>> from /usr/include/linux/ioctl.h:5,
>>> from /usr/include/asm-generic/ioctls.h:5,
>>> from ioctls_list.c:11:
>>> ioctls_list.c:463:29: error: ‘u32’ undeclared here (not in a function)
>>> 463 | { "DMA_BUF_SET_NAME_A", DMA_BUF_SET_NAME_A, -1, -1 }, // linux/dma-buf.h
>>> | ^~~~~~~~~~~~~~~~~~
>>> ioctls_list.c:464:29: error: ‘u64’ undeclared here (not in a function)
>>> 464 | { "DMA_BUF_SET_NAME_B", DMA_BUF_SET_NAME_B, -1, -1 }, // linux/dma-buf.h
>>> | ^~~~~~~~~~~~~~~~~~
>>>
>>> The issue was initially reported here[1].
>>>
>>> [1]: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__https%3A%2F%2Fnam11.safelinks.protection.outlook.com%2F%3Furl%3Dhttps*3A*2F*2Fgithub.com*2Fjerome-pouiller*2Fioctl*2Fpull*2F14%26amp%3Bdata%3D05*7C01*7Cchristian.koenig*40amd.com*7C4b665e3c2222463014ec08da37d6b3f4*7C3dd8961fe4884e608e11a82d994e183d*7C0*7C0*7C637883692533547283*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C3000*7C*7C*7C%26amp%3Bsdata%3Dprj*2BSOuf*2B1IWK1XKGD381LhDuL9qOoj7lYy8xMoV*2B6o*3D%26amp%3Breserved%3D0__%3BJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSU!!N30Cs7Jr!Vp-6M6kuBq4uqEHaYTbkJbN3BTkd85DAeGS7xNYLPbNMp00kBlbD0iQPjJdQ5OVCFeCp_XVrsYIhxvLlpLQDmRhK5QXhQA%24&data=05%7C01%7Cchristian.koenig%40amd.com%7Cfb9e2ca37e624de0ca6508da37dfc4cf%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637883731471453935%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=K1H3mVhehV9D1F9HleR%2FHWhN6NiQpAi5pXyF4RH4Kbw%3D&reserved=0
>>>
>>> Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
>> Good catch, Reviewed-by: Christian König <christian.koenig@....com>
>>
>> CC: stable?
> Done
>
>> Fixes: ?
> Fixes: a5bff92eaac4 ("dma-buf: Fix SET_NAME ioctl uapi")
Going to push that to drm-misc-fixes with the Fixes: and CC: stable tag
added.
Thanks,
Christian.
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