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Re: [PATCH] Further TLB handler optimizations

To: Rojhalat Ibrahim <>
Subject: Re: [PATCH] Further TLB handler optimizations
From: Thiemo Seufer <>
Date: Mon, 10 Jan 2005 15:04:29 +0100
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <> <>
User-agent: Mutt/1.5.6+20040907i
Rojhalat Ibrahim wrote:
> Thiemo Seufer wrote:
> >
> >I updated the patch now and checked it in. Please test, especially
> >for cases I couldn't do, like R3000-style TLB handling and MIPS32
> >CPUs with 64bit physaddr.
> >
> My Yosemite board (RM9000 processor) does not boot anymore with
> CONFIG_64BIT_PHYS_ADDR. Without that option it seems to be working
> as before. I tried to define cpu_has_64bit_gp_regs.

Correct, this should always be defined for 64bit capable CPUs.

> With that it boots partly.

Where does it fail?

> When I also define cpu_has_64bit_addresses it stops working again.

cpu_has_64bit_addresses is roughly the same as CONFIG_MIPS64,
so it's unsurprising that it breaks 32bit kernels.


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