From owner-svn-src-all@FreeBSD.ORG  Sat Oct  1 07:21:23 2011
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 0ECF8106566C;
	Sat,  1 Oct 2011 07:21:23 +0000 (UTC)
	(envelope-from c.jayachandran@gmail.com)
Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com
	[74.125.82.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 24F738FC08;
	Sat,  1 Oct 2011 07:21:21 +0000 (UTC)
Received: by wyj26 with SMTP id 26so2358498wyj.13
	for <multiple recipients>; Sat, 01 Oct 2011 00:21:21 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=mime-version:sender:in-reply-to:references:date
	:x-google-sender-auth:message-id:subject:from:to:cc:content-type;
	bh=fJJqvSsWjQc48JiU1eI+Zu+sW7vBeQODqjuACWQJfTc=;
	b=WXM3Uu6M0idKYOeCXESlTSMDGxvvTuwpc34ds3Y6AA0Cnu4DLKyJOAR8N1bL6qrjk6
	5nP120AiH/jOeLllXDhFk7ZIb8TlDVNc/C7Tv0xdvfOZU0dVWWO+TzNN12rYaCdzeqqz
	UxpA32e9oCnzRWX0kCZG8+pRBsKD/T4hSaabE=
MIME-Version: 1.0
Received: by 10.216.230.67 with SMTP id i45mr715447weq.56.1317453681056; Sat,
	01 Oct 2011 00:21:21 -0700 (PDT)
Sender: c.jayachandran@gmail.com
Received: by 10.216.154.5 with HTTP; Sat, 1 Oct 2011 00:21:20 -0700 (PDT)
In-Reply-To: <CAJ-VmokAsDpjJLt+VJ2gDGX+iMAwZvL2TPaaAD_LRm-Yyquxig@mail.gmail.com>
References: <201110010556.p915uQH6003016@svn.freebsd.org>
	<CA+7sy7BiRvTB79H9=y+S4jQ=+boW1bcDJn+BULMmJU9KLLVJ5A@mail.gmail.com>
	<CAJ-VmokAsDpjJLt+VJ2gDGX+iMAwZvL2TPaaAD_LRm-Yyquxig@mail.gmail.com>
Date: Sat, 1 Oct 2011 12:51:20 +0530
X-Google-Sender-Auth: bGXSU-waAlAVlUdJMcDH6qA5F5Q
Message-ID: <CA+7sy7D6h5a08Q6yNfX6xSqwabDLzE5GLu5aV3fCMYQKn_4AoQ@mail.gmail.com>
From: "Jayachandran C." <jchandra@freebsd.org>
To: Adrian Chadd <adrian@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r225892 - head/sys/mips/mips
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 01 Oct 2011 07:21:23 -0000

On Sat, Oct 1, 2011 at 12:39 PM, Adrian Chadd <adrian@freebsd.org> wrote:
> Reverting it unfortunately doesn't help; it messes up the event timer stuff.

I would like to understand this, reverting r216862 would take out the
critical_enter() and cpu_idleclock() which would keep the timer
interrupts coming is as usual, this should not affect the event timer.

> I'd like to see a more permanent solution. What I suggest we do moving
> forward is:
>
> * create a function pointer setup, like what i386 does
> * override it per-platform and per-chipset, once we know what the
> correct behaviour should be.
>
> Are you able to figure out how to achieve correct timer/interrupt/wait
> handling on XLR?

I'm not aware of any platforms which provide an equivalent of 'sti',
so going for an implementation per platform may not help.

JC.