From: Andrew Rybchenko <arybchenko@solarflare.com>
To: David Marchand <david.marchand@redhat.com>,
Vamsi Attunuru <vattunuru@marvell.com>,
Jerin Jacob <jerinj@marvell.com>,
Ferruh Yigit <ferruh.yigit@intel.com>
Cc: John McNamara <john.mcnamara@intel.com>,
Marko Kovacevic <marko.kovacevic@intel.com>, dev <dev@dpdk.org>,
Kiran Kumar K <kirankumark@marvell.com>,
Igor Ryzhov <iryzhov@nfware.com>,
Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v2] kni: increase kernel version requirement for VA
Date: Thu, 28 Nov 2019 13:44:54 +0300 [thread overview]
Message-ID: <c71e17a2-e60c-706d-8c31-6ab4201155b7@solarflare.com> (raw)
In-Reply-To: <CAJFAV8wF7v53J+zL+dccV_5rn48PKfxR_wuTogyvT_RpNMOiaA@mail.gmail.com>
On 11/21/19 1:30 AM, David Marchand wrote:
> On Wed, Nov 20, 2019 at 6:28 PM David Marchand
> <david.marchand@redhat.com> wrote:
>> On Wed, Nov 20, 2019 at 6:22 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>>> A build error reported related to the selected
>>> 'get_user_pages_remote()' kernel API:
>>>
>>> .../kernel/linux/kni/kni_dev.h:113:8:
>>> error: too few arguments to function ‘get_user_pages_remote’
>>> ret = get_user_pages_remote(tsk, tsk->mm, iova, 1
>>> ^~~~~~~~~~~~~~~~~~~~~
>>>
>>> Currently there are three version of the 'get_user_pages_remote()'
>>> supported, based on kernel version
>>> < 4.9, = 4.9, > 4.9
>>>
>>> These version based checks are not working fine with the distro kernels
>>> which is the cause of reported build error. The error reported by the
>>> kernel version 4.8, but it is using API defined in > 4.9.
>>>
>>> To be able to take control of this, and possible more, related build
>>> error, increasing the minimum supported kernel version for iova=va with
>>> KNI to kernel version 4.9.
>>>
>>> This leaves us with single version of the kernel API and more
>>> manageable.
>>>
>>> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> Reviewed-by: David Marchand <david.marchand@redhat.com>
>
> We need this change to fix compilation issues for -rc3.
> Applied, thanks.
The build is still broken on Debian 9 stretch which has Linux 4.9.189,
but corresponding function still has no the last argument.
It looks like requirements should be bumped to >=4.10.0.
next prev parent reply other threads:[~2019-11-28 10:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 16:00 [dpdk-dev] [PATCH] " Ferruh Yigit
2019-11-20 16:24 ` Igor Ryzhov
2019-11-20 16:26 ` Ferruh Yigit
2019-11-20 17:22 ` [dpdk-dev] [PATCH v2] " Ferruh Yigit
2019-11-20 17:28 ` David Marchand
2019-11-20 22:30 ` David Marchand
2019-11-28 10:44 ` Andrew Rybchenko [this message]
2019-11-28 10:50 ` Thomas Monjalon
2019-11-28 11:01 ` Jerin Jacob
2019-11-28 11:02 ` David Marchand
2019-11-28 11:05 ` Ferruh Yigit
2019-11-21 1:58 ` Jerin Jacob
2019-11-21 2:18 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-11-28 12:13 ` [dpdk-dev] " Ferruh Yigit
2019-11-28 14:58 ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
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