linux-kernel - Re: [PATCH] MIPS: Kernel hangs occasionally during boot.

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Message-ID: <4EBA2E65.3010009@niisi.msk.ru>
Date:	Wed, 09 Nov 2011 11:40:21 +0400
From:	"Gleb O. Raiko" <raiko@...si.msk.ru>
To:	Ralf Baechle <ralf@...ux-mips.org>
CC:	Al Cooper <alcooperx@...il.com>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: Kernel hangs occasionally during boot.

On 08.11.2011 21:55, Ralf Baechle wrote:
> but we may need another hazard barrier to
> replace back_to_back_c0_hazard().
Urgently. We need some ticks to wait until counter state machine has 
been updated. The amount of ticks may occasionally be the same as in 
case of back_to_back_hazard for some cpus. It's completely different for 
others, I sure. Original compare_change_hazard waits up to 12 ticks for 
r4k. While I don't think this amount should depend on irq_disable_hazard 
as old code assumes, we may still need 12 or so ticks for old cpus.

> Author: Al Cooper <alcooperx@...il.com> Tue Nov 8 09:59:01 2011 -0500
> Comitter: Ralf Baechle <ralf@...ux-mips.org> Tue Nov 8 16:52:51 2011 +0000
> Commit: 9121470d99c029493bd55daa11607b398fe9aea3
> Gitweb: http://git.linux-mips.org/g/linux/9121470d
Could you fix those links, it's broken after you moved git repo in?

Regards,
Gleb.
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