From: Ralf Baechle <ralf@linux-mips.org>
To: Kevin Cernekee <cernekee@gmail.com>
Cc: David Daney <ddaney@caviumnetworks.com>,
linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO_READ
Date: Fri, 13 May 2011 16:07:07 +0100 [thread overview]
Message-ID: <20110513150707.GA26389@linux-mips.org> (raw)
In-Reply-To: <7aa38c32b7748a95e814e5bb0583f967@localhost>
On Sat, Apr 16, 2011 at 09:44:29AM -0700, Kevin Cernekee wrote:
> Reuse more of the same definitions for the non-RIXI and RIXI cases. This
> avoids having special cases for kernel_uses_smartmips_rixi cluttering up
> the pgtable*.h files.
>
> On hardware that does not support RI/XI, EntryLo bits 31:30 / 63:62 will
> remain unset and RI/XI permissions will not be enforced.
Nice idea but it breaks on 64-bit hardware running 32-bit kernels. On
those the RI/XI bits written to c0_entrylo0/1 31:30 will be interpreted as
physical address bits 37:36.
I'm removing this patch series from the 2.6.40 patch queue until we can
sort this out.
Ralf
next prev parent reply other threads:[~2011-05-13 15:05 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-16 16:44 [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO_READ Kevin Cernekee
2011-04-16 16:44 ` [PATCH 2/4] MIPS: Add dummy _PAGE_NO_EXEC field for R3000 and 64BIT_PHYS_ADDR cases Kevin Cernekee
2011-05-12 14:12 ` Ralf Baechle
2011-04-16 16:44 ` [PATCH 3/4] MIPS: Clean up protection_map[] initialization Kevin Cernekee
2011-05-12 14:12 ` Ralf Baechle
2011-04-16 16:44 ` [PATCH 4/4] MIPS: Remove unused PAGE_* definitions Kevin Cernekee
2011-05-12 14:12 ` Ralf Baechle
2011-04-18 17:32 ` [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO_READ David Daney
2011-04-18 18:24 ` Kevin Cernekee
2011-04-18 18:52 ` David Daney
2011-05-12 14:12 ` Ralf Baechle
2011-05-13 15:07 ` Ralf Baechle [this message]
2011-05-13 15:46 ` Kevin Cernekee
2011-05-13 15:56 ` Ralf Baechle
2011-05-13 16:55 ` Kevin Cernekee
2011-05-13 17:36 ` Jayachandran C.
2011-05-13 17:51 ` Kevin Cernekee
2011-05-13 18:45 ` Jayachandran C.
2011-05-13 18:57 ` David Daney
2011-05-13 22:00 ` Arnaud Patard
2011-05-13 22:06 ` Kevin Cernekee
2011-05-14 5:13 ` Jayachandran C.
2011-05-14 6:02 ` Kevin Cernekee
2011-05-16 12:57 ` Jayachandran C.
2011-05-13 17:17 ` David Daney
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