From: Ralf Baechle <ralf@linux-mips.org>
To: Rojhalat Ibrahim <ibrahim@schenk.isar.de>
Cc: linux-mips@linux-mips.org
Subject: Re: More than 512MB of memory
Date: Wed, 9 Feb 2005 19:14:44 +0100 [thread overview]
Message-ID: <20050209181444.GB5740@linux-mips.org> (raw)
In-Reply-To: <420A2F2D.8050404@schenk.isar.de>
On Wed, Feb 09, 2005 at 04:41:33PM +0100, Rojhalat Ibrahim wrote:
> Those messages actually go away when I do not
> define cpu_has_64bit_gp_regs, which is strange
> because the RM9000 definitely has 64bit gp regs.
> Any ideas?
cpu_has_64bit_gp_regs is meant to indicate "CPU has 64-bit registers and
it's actually safe to use them". This is why it's defined as 0 for all
32-bit kernels where an interrupt would corrupt the upper 32-bits which
we don't save during any kind of exception.
Ralf
prev parent reply other threads:[~2005-02-09 18:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-18 14:44 More than 512MB of memory Rojhalat Ibrahim
2005-01-18 15:49 ` Manish Lachwani
2005-01-18 17:13 ` Rojhalat Ibrahim
2005-02-03 15:35 ` Ralf Baechle
2005-02-03 18:20 ` Manish Lachwani
2005-02-04 0:01 ` Ralf Baechle
2005-02-04 0:40 ` Ralf Baechle
2005-02-07 8:10 ` Rojhalat Ibrahim
2005-02-08 0:17 ` Ralf Baechle
2005-02-08 9:57 ` Rojhalat Ibrahim
2005-02-09 0:06 ` Ralf Baechle
2005-02-09 8:06 ` Rojhalat Ibrahim
2005-02-10 13:40 ` Ralf Baechle
2005-02-10 14:54 ` Rojhalat Ibrahim
2005-02-10 15:10 ` Rojhalat Ibrahim
2005-02-09 15:41 ` Rojhalat Ibrahim
2005-02-09 18:14 ` Ralf Baechle [this message]
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