From: "Jan Beulich" <jbeulich@suse.com>
To: <linux@horizon.com>, <tim.c.chen@linux.intel.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH] crypto: crc32c-pclmul - Use pmovzxdq to shrink K_table
Date: Thu, 29 May 2014 07:44:31 +0100 [thread overview]
Message-ID: <5386E55F02000078000B524F@mail.emea.novell.com> (raw)
In-Reply-To: <20140528214703.26413.qmail@ns.horizon.com>
>>> "George Spelvin" <linux@horizon.com> 05/28/14 11:47 PM >>>
>Jan Beulich <jbeulich@suse.com> wrote:
>> "George Spelvin" <linux@horizon.com> 05/28/14 4:40 PM
>>> Jan: Is support for SLE10's pre-2.18 binutils still required?
>>> Your PEXTRD fix was only a year ago, so I expect, but I wanted to ask.
>
>> I'd much appreciate if I would be able to build the kernel that way for
>> another while.
>
>Does it matter that the code I'm working on is 64-bit only?
No.
>It aready
>uses crc32q instruction (added with SSE4.2) with no assembler workarounds,
>so I figure pmovzxdq (part of SSE 4.1) doesn't make it any worse.
If that's the case, then adding another (earlier) one shouldn't be an issue.
Jan
next prev parent reply other threads:[~2014-05-29 6:44 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-28 14:40 George Spelvin
2014-05-28 15:32 ` George Spelvin
2014-05-28 22:15 ` [PATCH v2] crypto: crc32c-pclmul - Shrink K_table to 32-bit words George Spelvin
2014-05-28 23:02 ` Tim Chen
2014-05-28 23:55 ` George Spelvin
2014-05-29 3:26 ` George Spelvin
2014-05-29 16:33 ` Tim Chen
2014-05-28 20:47 ` [RFC PATCH] crypto: crc32c-pclmul - Use pmovzxdq to shrink K_table Jan Beulich
2014-05-28 21:47 ` George Spelvin
2014-05-29 6:44 ` Jan Beulich [this message]
2014-05-28 22:32 ` Tim Chen
2014-05-28 23:01 ` George Spelvin
2014-05-28 23:28 ` Tim Chen
2014-05-29 23:54 ` George Spelvin
2014-05-30 1:07 ` Tim Chen
2014-05-30 1:16 ` Dave Jones
2014-05-30 17:56 ` Tim Chen
2014-05-30 18:45 ` Dirk Brandewie
2014-05-30 19:32 ` Tim Chen
2014-05-30 19:38 ` Dirk Brandewie
2014-05-30 20:07 ` Tim Chen
2014-05-30 20:15 ` Dirk Brandewie
2014-05-30 1:37 ` George Spelvin
2014-05-30 5:25 ` George Spelvin
2014-05-30 16:10 ` Tim Chen
2014-05-30 16:52 ` George Spelvin
2014-05-30 17:01 ` Tim Chen
2014-06-07 3:08 ` [PATCH v3] crypto: crc32c-pclmul - Shrink K_table to 32-bit words George Spelvin
2014-06-20 18:42 ` Herbert Xu
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