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Kevin Cernekee ea31a6b203 MIPS: Honor L2 bypass bit 
On many of the newer MIPS32 cores, CP0 CONFIG2 bit 12 (L2B) indicates
that the L2 cache is disabled and therefore Linux should not attempt
to use it.

[Ralf: Moved the code added by Kevin's original patch into a separate
function that can easily be replaced for platforms that need more a
different probe.]

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org>
Cc: <linux-kernel@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/1723/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 		2010-10-29 19:08:52 +01:00
..
Makefile MIPS: Add -Werror to arch/mips/Kbuild 2010-08-05 13:25:44 +01:00
c-octeon.c MIPS: Octeon: Handle Octeon II caches. 2010-10-29 19:08:36 +01:00
c-r3k.c MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users. 2009-06-24 18:34:39 +01:00
c-r4k.c MIPS: Remove wait argument of r4k_on_each_cpu 2010-10-29 19:08:25 +01:00
c-tx39.c MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users. 2009-06-24 18:34:39 +01:00
cache.c MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules 2010-04-12 17:26:21 +01:00
cerr-sb1.c MIPS: Sibyte: Use hweight8 instead of counting bits 2009-12-17 01:57:16 +00:00
cex-gen.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cex-oct.S MIPS: Add Cavium OCTEON processor support files to arch/mips/cavium-octeon. 2009-01-11 09:57:21 +00:00
cex-sb1.S [MIPS] Fix loads of section missmatches 2008-03-12 14:14:41 +00:00
dma-default.c MIPS: Convert DMA to use dma-mapping-common.h 2010-10-29 19:08:31 +01:00
extable.c MIPS: Eleminate filenames from comments 2009-08-03 17:52:40 +01:00
fault.c MIPS: add support for software performance events 2010-10-29 19:08:48 +01:00
highmem.c mm: fix race in kunmap_atomic() 2010-10-27 18:03:05 -07:00
hugetlbpage.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
init.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ioremap.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
page.c MIPS: Move arch/mips/mm/uasm.h to arch/mips/include/asm/uasm.h 2010-02-27 12:53:19 +01:00
pgtable-32.c [MIPS] Add external declaration of pagetable_init() to pgalloc.h 2007-02-18 21:31:36 +00:00
pgtable-64.c MIPS: Two-level pagetables for 64-bit kernels with 64KB pages. 2010-02-27 12:53:03 +01:00
sc-ip22.c MIPS: IP22: Make indy_sc_ops variable static 2008-11-20 19:42:33 +00:00
sc-mips.c MIPS: Honor L2 bypass bit 2010-10-29 19:08:52 +01:00
sc-r5k.c [MIPS] Fix loads of section missmatches 2008-03-12 14:14:41 +00:00
sc-rm7k.c MIPS: RM7000: Symbol should be static 2010-10-04 18:33:54 +01:00
tlb-r3k.c MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users. 2009-06-24 18:34:39 +01:00
tlb-r4k.c MIPS: Implement Read Inhibit/eXecute Inhibit 2010-02-27 12:53:26 +01:00
tlb-r8k.c MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users. 2009-06-24 18:34:39 +01:00
tlbex-fault.S [MIPS] Stacktrace build-fix and improvement 2006-10-01 23:16:58 +01:00
tlbex.c MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code 2010-10-29 19:08:50 +01:00
uasm.c MIPS: Octeon: Apply CN63XXP1 errata workarounds. 2010-10-29 19:08:43 +01:00