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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: Xie Shaohui-B21989 <B21989@freescale.com>,
	Liu Qiang-B32616 <B32616@freescale.com>,
	Zang Roy-R61911 <r61911@freescale.com>,
	Timur Tabi <timur@tabi.org>,
	"tiejun.chen" <tiejun.chen@windriver.com>,
	David Laight <David.Laight@ACULAB.COM>,
	Fleming Andy-AFLEMING <afleming@freescale.com>,
	Bhushan Bharat-R65777 <R65777@freescale.com>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: fsqrt
Date: Sat, 08 Jun 2013 09:25:24 +1000	[thread overview]
Message-ID: <1370647524.3766.433.camel@pasglop> (raw)
In-Reply-To: <1370647431.3766.432.camel@pasglop>

On Sat, 2013-06-08 at 09:23 +1000, Benjamin Herrenschmidt wrote:
> Ok, thinking out loud... looks like we might be able to just use existing 
> math-emu for that. From what I can tell, all it needs (other than enabling
> the config option), is a call to flush_fp_to_thread(current);
> 
> While talking math-emu... we seem to have some duplication between the
> code on do_mathemu which can be compiled without CONFIG_MATH_EMULATION and
> in this case only just emulates loads/stores/fmr and the code in
> arch/powerpc/kernel/softemu8xx.c.
> 
> Is there any reason we can't just get rid of the latter ?

Or just git completely rid of that "minimal emulation" ...

Cheers,
Ben.

  reply	other threads:[~2013-06-07 23:25 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-16  4:47 SATA FSL and upstreaming Benjamin Herrenschmidt
2013-05-16  5:45 ` Benjamin Herrenschmidt
2013-05-16  5:55   ` tiejun.chen
2013-05-16  6:06     ` Benjamin Herrenschmidt
2013-05-16  5:59   ` Zang Roy-R61911
2013-05-16  6:01   ` Bhushan Bharat-R65777
2013-05-16  6:05     ` Zang Roy-R61911
2013-05-16  6:09       ` Benjamin Herrenschmidt
2013-05-16  6:17         ` tiejun.chen
2013-05-16  6:20           ` Zang Roy-R61911
2013-05-16  6:25             ` tiejun.chen
2013-05-16  7:20               ` Zang Roy-R61911
2013-05-16  6:26             ` Benjamin Herrenschmidt
2013-05-16  6:21           ` Benjamin Herrenschmidt
2013-05-16  6:35             ` tiejun.chen
2013-05-16  6:37               ` Zang Roy-R61911
2013-05-16  6:40               ` Benjamin Herrenschmidt
2013-05-16  6:43                 ` tiejun.chen
2013-05-16  6:48                   ` Bhushan Bharat-R65777
2013-05-16  6:49                     ` Zang Roy-R61911
2013-05-16  6:53                       ` Benjamin Herrenschmidt
2013-05-16  6:56                         ` tiejun.chen
2013-05-16  7:01                         ` Zang Roy-R61911
2013-05-16  7:05                           ` Benjamin Herrenschmidt
2013-05-16  7:13                             ` Bhushan Bharat-R65777
2013-05-16  7:26                               ` Benjamin Herrenschmidt
2013-05-16  7:20                             ` Xie Shaohui-B21989
2013-05-16  7:25                             ` Bhushan Bharat-R65777
2013-05-16  6:59                       ` Benjamin Herrenschmidt
2013-05-16  7:17                         ` Zang Roy-R61911
2013-05-16  6:52                     ` Benjamin Herrenschmidt
2013-05-16 14:56                       ` Timur Tabi
2013-06-07  3:52                         ` Benjamin Herrenschmidt
2013-06-07  4:39                           ` Benjamin Herrenschmidt
2013-06-07  4:45                             ` Zang Roy-R61911
2013-06-07  4:47                               ` Benjamin Herrenschmidt
2013-06-07  4:50                                 ` Zang Roy-R61911
2013-06-07  7:41                                   ` fsqrt Benjamin Herrenschmidt
2013-06-07  7:45                                     ` fsqrt Zang Roy-R61911
2013-06-07  8:53                                       ` fsqrt Benjamin Herrenschmidt
2013-06-07  8:59                                         ` fsqrt Benjamin Herrenschmidt
2013-06-07 10:48                                           ` fsqrt David Laight
2013-06-07 12:14                                             ` fsqrt Benjamin Herrenschmidt
2013-06-07 19:19                                               ` fsqrt Kumar Gala
2013-06-07 23:23                                                 ` fsqrt Benjamin Herrenschmidt
2013-06-07 23:25                                                   ` Benjamin Herrenschmidt [this message]
2013-06-07 23:30                                                     ` fsqrt Benjamin Herrenschmidt
2013-06-08  0:20                                                       ` fsqrt Dan Malek
2013-06-08  0:34                                                         ` fsqrt Benjamin Herrenschmidt
2013-06-08  1:13                                                           ` fsqrt Dan Malek
2013-06-08  4:31                                                             ` fsqrt Benjamin Herrenschmidt
2013-06-09  6:32                                                             ` fsqrt Benjamin Herrenschmidt
2013-06-07  7:46                                     ` fsqrt tiejun.chen
2013-06-07  8:53                                       ` fsqrt Benjamin Herrenschmidt
2013-06-07  9:02                                         ` fsqrt tiejun.chen
2013-06-07 12:07                                           ` fsqrt Benjamin Herrenschmidt
2013-06-07  7:05                               ` FSL 64-bit DMA window question Benjamin Herrenschmidt
2013-06-07  7:58                                 ` Zang Roy-R61911
2013-06-07  8:55                                   ` Benjamin Herrenschmidt
2013-06-07  9:44                                     ` Zang Roy-R61911
2013-06-07 12:09                                       ` Benjamin Herrenschmidt
     [not found]                                         ` <1370642488.6813.15@snotra>
2013-06-07 22:02                                           ` Scott Wood
2013-06-07 22:09                                             ` Benjamin Herrenschmidt
2013-06-07 22:34                                               ` Scott Wood
2013-06-07 22:39                                                 ` Benjamin Herrenschmidt
2013-06-07 23:29                                                   ` Scott Wood
2013-06-07 23:33                                                     ` Benjamin Herrenschmidt
2013-06-07 12:09                             ` SATA FSL and upstreaming Timur Tabi
2013-05-16  6:17         ` Zang Roy-R61911
2013-05-16  6:23           ` Benjamin Herrenschmidt
2013-05-16  6:33             ` Bhushan Bharat-R65777
2013-05-16  6:34               ` Benjamin Herrenschmidt
2013-05-16  6:35               ` Zang Roy-R61911
2013-05-16  6:37               ` Benjamin Herrenschmidt
2013-05-16  6:41                 ` tiejun.chen
2013-05-16  6:48               ` Zang Roy-R61911
2013-05-16  6:24 ` Xie Shaohui-B21989
2013-05-16  6:31   ` Benjamin Herrenschmidt

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