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

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Message-ID: <1c5b4f577ec0475bb33d4106f45796a5@AcuMS.aculab.com>
Date:   Mon, 2 Sep 2019 09:12:34 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Randy Dunlap' <rdunlap@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
CC:     Al Viro <viro@...iv.linux.org.uk>,
        "Steven J. Magnani" <steve@...idescorp.com>,
        Michal Simek <monstr@...str.eu>,
        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

From: Randy Dunlap
> Sent: 01 September 2019 15:56
> arch/microblaze/ is missing support for get_user() of size 8 bytes,
> so add it by using __copy_from_user().

Ugg....

Use get_user() for 4 bytes twice and combine the returned values.

	David

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