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4451 Commits

Author SHA1 Message Date
Yong Zhang f2b88d65aa MIPS: sync-r4k: remove redundant irq operation 
Since we have delayed irq enabling to ->smp_finish()

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang b789ad63ac MIPS: smp: Warn on too early irq enable 
Just to catch a potential issue.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3852/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang b9a09a0660 MIPS: call set_cpu_online() on cpu being brought up with irq disabled 
To prevent a problem as commit 5fbd036b [sched: Cleanup cpu_active madness]
and commit 2baab4e9 [sched: Fix select_fallback_rq() vs cpu_active/cpu_online]
try to resolve, move set_cpu_online() to the brought up CPU and with irq
disabled.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3851/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang 5309bdac70 MIPS: call ->smp_finish() a little late 
We have move irq enable to ->smp_finish. Place ->smp_finish() a little
late to prepare for move set_cpu_online() into start_secondary.
And it's not necessary to call cpu_set(cpu, cpu_callin_map) and
synchronise_count_slave() with irq enabled.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3850/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang 263afbdd1c MIPS: Yosemite: delay irq enable to ->smp_finish() 
To prepare for smoothing set_cpu_[active|online]() mess up

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3848/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang 70dc8fa782 MIPS: SMTC: delay irq enable to ->smp_finish() 
To prepare for smoothing set_cpu_[active|online]() mess up

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3847/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang 856ac3c6e0 MIPS: BMIPS: delay irq enable to ->smp_finish() 
To prepare for smoothing set_cpu_[active|online]() mess up

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3846/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Yong Zhang 1bcfecc028 MIPS: Octeon: delay enable irq to ->smp_finish() 
To prepare for smoothing set_cpu_[active|online]() mess up

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3845/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Ralf Baechle 68b6352cdc MIPS: Oprofile: Fix build as a module. 
When building oprofile as a module for R10000 or R7000 class processors,
E9000 or MIPSxx class cores since 3572a2c37f
[MIPS: make oprofile use cp0_perfcount_irq if it is set] an

ERROR: "cp0_compare_irq" [arch/mips/oprofile/oprofile.ko] undefined!

error will happen.  Fixed by exporting cp0_compare_irq.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Florian Fainelli 38be3c7e77 MIPS: BCM63XX: Fix BCM6368 IPSec clock bit 
The IPsec clock bit is 18 and not 17.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: mpm@selenic.com
Cc: herbert@gondor.apana.org.au
Patchwork: https://patchwork.linux-mips.org/patch/3323/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Florian Fainelli 6c37c95804 MIPS: perf: Fix build error caused by unused counters_per_cpu_to_total() 
cc1: warnings being treated as errors
arch/mips/kernel/perf_event_mipsxx.c:166: error: 'counters_per_cpu_to_total' defined but not used
make[2]: *** [arch/mips/kernel/perf_event_mipsxx.o] Error 1
make[2]: *** Waiting for unfinished jobs....

It was first introduced by 82091564cf [MIPS:
perf: Add support for 64-bit perf counters.] in 3.2.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: david.daney@cavium.com
Patchwork: https://patchwork.linux-mips.org/patch/3357/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Vincent Wen e909be8252 MIPS: Fix Magic SysRq L kernel crash. 
show_backtrace() was passed a NULL pointer which caused paging
request fail. Set to current task as other architectures (ARM,
etc) do when passed a NULL task pointer.

Signed-off-by: Vincent Wen <vincentwenlinux@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Patchwork: https://patchwork.linux-mips.org/patch/3524/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Danny Kukawka ca760ca523 MIPS: BMIPS: Fix duplicate header inclusion. 
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Cc: Danny Kukawka <dkukawka@suse.de>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/3369/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:44 +02:00
Uwe Kleine-König 4a043d79dc mips: mark const init data with __initconst instead of __initdata 
As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with

	error: $variablename causes a section type conflict

because a section containing const variables is marked read only and so
cannot contain non-const variables.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: linux-mips@linux-mips.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel@pengutronix.de
Patchwork: https://patchwork.linux-mips.org/patch/3565/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Aaro Koskinen 5520e42690 MIPS: cmpxchg.h: Add missing include 
Fix the following build breakage in v3.4-rc1:

  CC      kernel/irq_work.o
In file included from include/linux/irq_work.h:4:0,
                 from kernel/irq_work.c:10:
include/linux/llist.h: In function 'llist_del_all':
include/linux/llist.h:178:2: error: implicit declaration of function 'BUILD_BUG_ON' [-Werror=implicit-function-declaration]

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3568/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Leonid Yegoshin 5d9fbed18e MIPS: Malta may also be equipped with MIPS64 R2 processors. 
Signed-off-by: Leonid Yegoshin <yegoshin@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3792/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Ralf Baechle a586e14f2c MIPS: Fix typo multipy -> multiply 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Yoichi Yuasa 7ee91de45a MIPS: Cavium: Fix duplicate ARCH_SPARSEMEM_ENABLE in kconfig. 
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3883/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Yoichi Yuasa b96b62db8c MIPS: BCM47xx: Fix BCMA_DRIVER_PCI_HOSTMODE config dependencies 
warning: (BCM47XX_BCMA) selects BCMA_DRIVER_PCI_HOSTMODE which has unmet direct dependencies (BCMA_POSSIBLE && BCMA && MIPS && BCMA_HOST_PCI)
warning: (BCM47XX_BCMA) selects BCMA_DRIVER_PCI_HOSTMODE which has unmet direct dependencies (BCMA_POSSIBLE && BCMA && MIPS && BCMA_HOST_PCI)

Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3882/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Ralf Baechle c7b2ec2106 MIPS: SMTC: Spelling and grammar corrections. 
Extractd from Steven J. Hill's https://patchwork.linux-mips.org/patch/3603/.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
David Daney 7b1c0d26a8 MIPS: Properly align the .data..init_task section. 
Improper alignment can lead to unbootable systems and/or random
crashes.

[ralf@linux-mips.org: This is a lond standing bug since
6eb10bc9e2 (kernel.org) rsp.
c422a10917f75fd19fa7fe070aaaa23e384dae6f (lmo) [MIPS: Clean up linker script
using new linker script macros.] so dates back to 2.6.32.]

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/3881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Steven J. Hill c5de50dada MIPS: Malta: Change start address to avoid conflicts. 
There are ACPI and SMB devices in the 0x1000..0x1fff address range.

Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3581/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Leonid Yegoshin 2dd17030c9 MIPS: Fix race condition with FPU thread task flag during context switch. 
[ralf@linux-mips.org: Cosmetic changes; also fixed up r2300_switch.S and
octeon_switch.S which needed similar modifications.]

Signed-off-by: Leonid Yegoshin <yegoshin@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3784/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Douglas Leung dc34b05fea MIPS: Fix decoding of c0_config1 for MIPSxx caches with 32 ways per set. 
This affects certain 4Kc cores.

Signed-off-by: Douglas Leung <douglas@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3855/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00
Steven J. Hill c022630633 MIPS: Refactor 'clear_page' and 'copy_page' functions. 
Remove usage of the '__attribute__((alias("...")))' hack that aliased
to integer arrays containing micro-assembled instructions. This hack
breaks when building a microMIPS kernel. It also makes the code much
easier to understand.

[ralf@linux-mips.org: Added back export of the clear_page and copy_page
symbols so certain modules will work again.  Also fixed build with
CONFIG_SIBYTE_DMA_PAGEOPS enabled.]

Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3866/
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-19 11:23:43 +02:00