linux-kernel - Re: [PATCH v3] arch/microblaze: add support for get

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Message-ID: <89c8b8a1-8398-7432-8ad9-599bf1c18f56@monstr.eu>
Date:   Mon, 2 Sep 2019 15:17:33 +0200
From:   Michal Simek <monstr@...str.eu>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        "Steven J. Magnani" <steve@...idescorp.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        Doug Ledford <dledford@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v3] arch/microblaze: add support for get_user() of size 8
 bytes

On 02. 09. 19 6:58, Linus Torvalds wrote:
> On Sun, Sep 1, 2019 at 7:10 PM Randy Dunlap <rdunlap@...radead.org> wrote:
>>
>> I guess we need a way to coerce that to call get_user_1(),
>> such as a typecast.  This _seems_ to work (i.e., call get_user_1()):
> 
> No, I oversimplified.
> 
> Try this slightly modified patch instead.

This one looks good. I have also tested it on HW. I will run some LTP
tests to see if there is any new error. If there is better testsuite to
validate this please let me know.

Randy/Linus: Are you going create regular patch from this?

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs




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