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Re: another 4kc machine check.

To: linux-mips@linux-mips.org
Subject: Re: another 4kc machine check.
From: Greg Weeks <greg.weeks@timesys.com>
Date: Tue, 12 Apr 2005 15:12:29 -0400
Cc: "Kevin D. Kissell" <kevink@mips.com>, "Maciej W. Rozycki" <macro@linux-mips.org>, Ralf Baechle <ralf@linux-mips.org>
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References: <42553E49.7080004@timesys.com> <4256991C.4020601@timesys.com> <20050408161357.GB19166@linux-mips.org> <4256B524.2080509@timesys.com> <425AD440.5050600@timesys.com> <004a01c53ed4$dab12b00$10eca8c0@grendel> <Pine.LNX.4.61L.0504121610500.18606@blysk.ds.pg.gda.pl> <00c701c53f7e$09ec56c0$10eca8c0@grendel> <425BFCC2.9060901@timesys.com>
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Greg Weeks wrote:

No, it adds it before the TLBWR where there shouldn't be a hazard.

On the off chance that the hazard between the TLBWR and the ERET might be coming into play I tried a kernel with 3 nops between the TLBWR and ERET and no EHB before the TLBWR and it still machine checks for me.

Greg Weeks

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