Linux MIPS Architecture development
 help / color / mirror / Atom feed
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH] MIPS: SMTC: Correct saving of CP0_STATUS
Date: Tue, 30 Aug 2011 07:57:09 +0200	[thread overview]
Message-ID: <20110830055709.GA3989@zapo> (raw)
In-Reply-To: <4E5C2490.6040203@cavium.com>

On Mon, Aug 29, 2011 at 04:45:20PM -0700, David Daney wrote:
> On 08/29/2011 04:20 PM, Edgar E. Iglesias wrote:
> >Hi,
> >
> >Commit 362e696428590f7d0a5d0971a2d04b0372a761b8
> >reorders a bunch of insns to improve the flow of the pipeline but
> >for MT_SMTC kernels, AFAICT, the saving of CP0_STATUS seems wrong.
> 
> Indeed.
> 
> >
> >Am I missing something?
> >
> 
> It does look like in the MIPS_MT_SMTC case we are clobbering the
> value in v1.
> 
> >If not here is a patch, tested with qemu.
> >
> 
> How about the attached completely untested one instead?
> 
> David Daney

> From d0035295ae34bcf84d601b1e25e2642fe0802752 Mon Sep 17 00:00:00 2001
> From: David Daney <david.daney@cavium.com>
> Date: Mon, 29 Aug 2011 16:42:12 -0700
> Subject: [PATCH] MIPS: Don't clobber CP0_STATUS vaue for CONFIG_MIPS_MT_SMTC
> 
> Untested, but it looks nice.


Thanks, I like you patch better. But whichever version will do.

Cheers

  parent reply	other threads:[~2011-08-30  5:57 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-29 23:20 [PATCH] MIPS: SMTC: Correct saving of CP0_STATUS Edgar E. Iglesias
2011-08-29 23:45 ` David Daney
2011-08-29 23:45   ` David Daney
2011-08-29 23:53   ` David Daney
2011-08-29 23:55   ` Kevin D. Kissell
2011-08-30  0:14     ` David Daney
2011-08-30  0:35       ` Kevin D. Kissell
2011-08-30 11:16         ` Edgar E. Iglesias
2011-08-30 16:54           ` Kevin D. Kissell
2011-09-14 15:12             ` Ralf Baechle
2011-09-14 18:20               ` Kevin D. Kissell
2011-08-30  5:57   ` Edgar E. Iglesias [this message]
2011-09-15 16:00   ` Ralf Baechle
2011-09-17  1:23     ` Edgar E. Iglesias
2011-09-17  2:00       ` Ralf Baechle
2011-09-17  2:08         ` Edgar E. Iglesias

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110830055709.GA3989@zapo \
    --to=edgar.iglesias@gmail.com \
    --cc=david.daney@cavium.com \
    --cc=linux-mips@linux-mips.org \
    --cc=ralf@linux-mips.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox