From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To: Stafford Horne <shorne@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Jonas Bonn <jonas@southpole.se>,
Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
Andrew Morton <akpm@linux-foundation.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greentime Hu <green.hu@gmail.com>,
openrisc@lists.librecores.org
Subject: Re: [PATCH v2 3/3] openrisc: Fix issue with get_user for 64-bit values
Date: Sat, 5 Sep 2020 15:57:14 +0200 [thread overview]
Message-ID: <20200905135714.74bsr5h423k7guw4@ltop.local> (raw)
In-Reply-To: <20200905131935.972386-4-shorne@gmail.com>
On Sat, Sep 05, 2020 at 10:19:35PM +0900, Stafford Horne wrote:
Hi,
The change for 64-bit get_user() looks good to me.
But I wonder, given that openrisc is big-endian, what will happen
you have the opposite situation:
u32 *ptr;
u64 val;
...
get_user(val, ptr);
Won't you end with the value in the most significant part of
the register pair?
-- Luc
next prev parent reply other threads:[~2020-09-05 13:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-05 13:19 [PATCH v2 0/3] OpenRISC fixes for 5.9 Stafford Horne
2020-09-05 13:19 ` [PATCH v2 1/3] openrisc: Reserve memblock for initrd Stafford Horne
2020-09-05 13:25 ` Stafford Horne
2020-09-06 6:15 ` Mike Rapoport
2020-09-05 13:19 ` [PATCH v2 2/3] openrisc: Fix cache API compile issue when not inlining Stafford Horne
2020-09-05 13:19 ` [PATCH v2 3/3] openrisc: Fix issue with get_user for 64-bit values Stafford Horne
2020-09-05 13:57 ` Luc Van Oostenryck [this message]
2020-09-05 21:34 ` Stafford Horne
2020-09-06 0:22 ` [OpenRISC] " Luc Van Oostenryck
2020-09-06 21:00 ` Stafford Horne
2020-09-05 13:24 ` [PATCH v2 0/3] OpenRISC fixes for 5.9 Stafford Horne
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