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Re: [PATCH] use CONFIG_HZ

To: ralf@linux-mips.org
Subject: Re: [PATCH] use CONFIG_HZ
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 20 Jun 2006 00:19:13 +0900 (JST)
Cc: macro@linux-mips.org, linux-mips@linux-mips.org
In-reply-to: <20060425.233138.72708117.anemo@mba.ocn.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20060407170401.GA17163@linux-mips.org> <20060409.002929.74751620.anemo@mba.ocn.ne.jp> <20060425.233138.72708117.anemo@mba.ocn.ne.jp>
Sender: linux-mips-bounce@linux-mips.org
On Tue, 25 Apr 2006 23:31:38 +0900 (JST), Atsushi Nemoto <anemo@mba.ocn.ne.jp> 
wrote:
> On Sun, 09 Apr 2006 00:29:29 +0900 (JST), Atsushi Nemoto 
> <anemo@mba.ocn.ne.jp> wrote:
> > OK, Take 3.  48Hz are only available if explicitly listed in board
> > definition.
> 
> Updated for current git tree.

Updated again.

Make HZ configurable.  DECSTATION can select 128/256/1024 HZ, JAZZ can
only select 100 HZ, others can select 100/128/250/256/1000/1024 HZ if
not explicitly specified).  Also remove all mach-xxx/param.h files and
update all defconfigs according to current HZ value.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

 b/arch/mips/Kconfig                         |   75 ++++++++++++++++++++++++++++
 b/arch/mips/configs/atlas_defconfig         |    9 +++
 b/arch/mips/configs/bigsur_defconfig        |    9 +++
 b/arch/mips/configs/capcella_defconfig      |    9 +++
 b/arch/mips/configs/cobalt_defconfig        |    9 +++
 b/arch/mips/configs/db1000_defconfig        |    9 +++
 b/arch/mips/configs/db1100_defconfig        |    9 +++
 b/arch/mips/configs/db1200_defconfig        |    9 +++
 b/arch/mips/configs/db1500_defconfig        |    9 +++
 b/arch/mips/configs/db1550_defconfig        |    9 +++
 b/arch/mips/configs/ddb5477_defconfig       |    9 +++
 b/arch/mips/configs/decstation_defconfig    |   11 ++++
 b/arch/mips/configs/e55_defconfig           |    9 +++
 b/arch/mips/configs/emma2rh_defconfig       |    9 +++
 b/arch/mips/configs/ev64120_defconfig       |    9 +++
 b/arch/mips/configs/ev96100_defconfig       |    9 +++
 b/arch/mips/configs/excite_defconfig        |    9 +++
 b/arch/mips/configs/ip22_defconfig          |    9 +++
 b/arch/mips/configs/ip27_defconfig          |    9 +++
 b/arch/mips/configs/ip32_defconfig          |    9 +++
 b/arch/mips/configs/it8172_defconfig        |    9 +++
 b/arch/mips/configs/ivr_defconfig           |    9 +++
 b/arch/mips/configs/jaguar-atx_defconfig    |    9 +++
 b/arch/mips/configs/jmr3927_defconfig       |    9 +++
 b/arch/mips/configs/lasat200_defconfig      |    9 +++
 b/arch/mips/configs/malta_defconfig         |    9 +++
 b/arch/mips/configs/mipssim_defconfig       |    9 +++
 b/arch/mips/configs/mpc30x_defconfig        |    9 +++
 b/arch/mips/configs/ocelot_3_defconfig      |    9 +++
 b/arch/mips/configs/ocelot_c_defconfig      |    9 +++
 b/arch/mips/configs/ocelot_defconfig        |    9 +++
 b/arch/mips/configs/ocelot_g_defconfig      |    9 +++
 b/arch/mips/configs/pb1100_defconfig        |    9 +++
 b/arch/mips/configs/pb1500_defconfig        |    9 +++
 b/arch/mips/configs/pb1550_defconfig        |    9 +++
 b/arch/mips/configs/pnx8550-jbs_defconfig   |    9 +++
 b/arch/mips/configs/pnx8550-v2pci_defconfig |    9 +++
 b/arch/mips/configs/qemu_defconfig          |    9 +++
 b/arch/mips/configs/rbhma4500_defconfig     |    9 +++
 b/arch/mips/configs/rm200_defconfig         |    9 +++
 b/arch/mips/configs/sb1250-swarm_defconfig  |    9 +++
 b/arch/mips/configs/sead_defconfig          |    9 +++
 b/arch/mips/configs/tb0226_defconfig        |    9 +++
 b/arch/mips/configs/tb0229_defconfig        |    9 +++
 b/arch/mips/configs/tb0287_defconfig        |    9 +++
 b/arch/mips/configs/workpad_defconfig       |    9 +++
 b/arch/mips/configs/wrppmc_defconfig        |    9 +++
 b/arch/mips/configs/yosemite_defconfig      |    9 +++
 b/arch/mips/dec/time.c                      |    2 
 b/arch/mips/defconfig                       |    9 +++
 b/include/asm-mips/param.h                  |    2 
 include/asm-mips/mach-dec/param.h           |   18 ------
 include/asm-mips/mach-generic/param.h       |   13 ----
 include/asm-mips/mach-jazz/param.h          |   16 -----
 include/asm-mips/mach-mips/param.h          |   13 ----
 include/asm-mips/mach-qemu/param.h          |   13 ----
 56 files changed, 511 insertions(+), 75 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8dcaccc..89ec332 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -168,6 +168,9 @@ config MACH_DECSTATION
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+       select SYS_SUPPORTS_128HZ
+       select SYS_SUPPORTS_256HZ
+       select SYS_SUPPORTS_1024HZ
        help
          This enables support for DEC's MIPS based workstations.  For details
          see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
@@ -265,6 +268,7 @@ config MACH_JAZZ
        select SYS_HAS_CPU_R4X00
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+       select SYS_SUPPORTS_100HZ
        help
         This a family of machines based on the MIPS R4030 chipset which was
         used by several vendors to build RISC/os and Windows NT workstations.
@@ -1731,6 +1735,77 @@ config NR_CPUS
          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.
 
+#
+# Timer Interrupt Frequency Configuration
+#
+
+choice
+       prompt "Timer frequency"
+       default HZ_250
+       help
+        Allows the configuration of the timer frequency.
+
+       config HZ_48
+               bool "48 HZ" if SYS_SUPPORTS_48HZ
+
+       config HZ_100
+               bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_128
+               bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_250
+               bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_256
+               bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_1000
+               bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_1024
+               bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
+
+endchoice
+
+config SYS_SUPPORTS_48HZ
+       bool
+
+config SYS_SUPPORTS_100HZ
+       bool
+
+config SYS_SUPPORTS_128HZ
+       bool
+
+config SYS_SUPPORTS_250HZ
+       bool
+
+config SYS_SUPPORTS_256HZ
+       bool
+
+config SYS_SUPPORTS_1000HZ
+       bool
+
+config SYS_SUPPORTS_1024HZ
+       bool
+
+config SYS_SUPPORTS_ARBIT_HZ
+       bool
+       default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
+                    !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
+                    !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
+                    !SYS_SUPPORTS_1024HZ
+
+config HZ
+       int
+       default 48 if HZ_48
+       default 100 if HZ_100
+       default 128 if HZ_128
+       default 250 if HZ_250
+       default 256 if HZ_256
+       default 1000 if HZ_1000
+       default 1024 if HZ_1024
+
 source "kernel/Kconfig.preempt"
 
 config RTC_DS1742
diff --git a/arch/mips/configs/atlas_defconfig 
b/arch/mips/configs/atlas_defconfig
index 93b5181..776dcee 100644
--- a/arch/mips/configs/atlas_defconfig
+++ b/arch/mips/configs/atlas_defconfig
@@ -142,6 +142,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+CONFIG_HZ_100=y
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_1000 is not set
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=100
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/bigsur_defconfig 
b/arch/mips/configs/bigsur_defconfig
index f802d06..15884ef 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -144,6 +144,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_SMP=y
 CONFIG_NR_CPUS=4
 CONFIG_PREEMPT_NONE=y
diff --git a/arch/mips/configs/capcella_defconfig 
b/arch/mips/configs/capcella_defconfig
index 6669df1..da9e60c 100644
--- a/arch/mips/configs/capcella_defconfig
+++ b/arch/mips/configs/capcella_defconfig
@@ -131,6 +131,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/cobalt_defconfig 
b/arch/mips/configs/cobalt_defconfig
index 46cbed1..4923fc1 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -128,6 +128,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/db1000_defconfig 
b/arch/mips/configs/db1000_defconfig
index 89f91ce..a640849 100644
--- a/arch/mips/configs/db1000_defconfig
+++ b/arch/mips/configs/db1000_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/db1100_defconfig 
b/arch/mips/configs/db1100_defconfig
index 08912e1..84b7f9c 100644
--- a/arch/mips/configs/db1100_defconfig
+++ b/arch/mips/configs/db1100_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/db1200_defconfig 
b/arch/mips/configs/db1200_defconfig
index fd9f86c..c3700d3 100644
--- a/arch/mips/configs/db1200_defconfig
+++ b/arch/mips/configs/db1200_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/db1500_defconfig 
b/arch/mips/configs/db1500_defconfig
index 9be59eb..1539390 100644
--- a/arch/mips/configs/db1500_defconfig
+++ b/arch/mips/configs/db1500_defconfig
@@ -131,6 +131,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/db1550_defconfig 
b/arch/mips/configs/db1550_defconfig
index 6142438..7d77561 100644
--- a/arch/mips/configs/db1550_defconfig
+++ b/arch/mips/configs/db1550_defconfig
@@ -130,6 +130,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ddb5477_defconfig 
b/arch/mips/configs/ddb5477_defconfig
index 1ff5780..913bc57 100644
--- a/arch/mips/configs/ddb5477_defconfig
+++ b/arch/mips/configs/ddb5477_defconfig
@@ -128,6 +128,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/decstation_defconfig 
b/arch/mips/configs/decstation_defconfig
index c8d6c5d..ed39ded 100644
--- a/arch/mips/configs/decstation_defconfig
+++ b/arch/mips/configs/decstation_defconfig
@@ -127,6 +127,17 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_128=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_1000 is not set
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_128HZ=y
+CONFIG_SYS_SUPPORTS_256HZ=y
+CONFIG_SYS_SUPPORTS_1024HZ=y
+CONFIG_HZ=128
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig
index 6eb178a..f0e46bf 100644
--- a/arch/mips/configs/e55_defconfig
+++ b/arch/mips/configs/e55_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/emma2rh_defconfig 
b/arch/mips/configs/emma2rh_defconfig
index da1bc03..01f29f4 100644
--- a/arch/mips/configs/emma2rh_defconfig
+++ b/arch/mips/configs/emma2rh_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
diff --git a/arch/mips/configs/ev64120_defconfig 
b/arch/mips/configs/ev64120_defconfig
index dc7caa8..dc62fe2 100644
--- a/arch/mips/configs/ev64120_defconfig
+++ b/arch/mips/configs/ev64120_defconfig
@@ -130,6 +130,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ev96100_defconfig 
b/arch/mips/configs/ev96100_defconfig
index d9c1c67..fc73e4d 100644
--- a/arch/mips/configs/ev96100_defconfig
+++ b/arch/mips/configs/ev96100_defconfig
@@ -134,6 +134,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/excite_defconfig 
b/arch/mips/configs/excite_defconfig
index 3240962..f2ce64c 100644
--- a/arch/mips/configs/excite_defconfig
+++ b/arch/mips/configs/excite_defconfig
@@ -132,6 +132,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_SMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index 6d03aeb..664283c 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 749481e..969f282 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -134,6 +134,15 @@ CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_NEED_MULTIPLE_NODES=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_MIGRATION=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=64
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index 29bd0ad..1bae379 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/it8172_defconfig 
b/arch/mips/configs/it8172_defconfig
index 98a26ea..d6ea8d8 100644
--- a/arch/mips/configs/it8172_defconfig
+++ b/arch/mips/configs/it8172_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ivr_defconfig b/arch/mips/configs/ivr_defconfig
index 2a74cdd..c8579ba 100644
--- a/arch/mips/configs/ivr_defconfig
+++ b/arch/mips/configs/ivr_defconfig
@@ -126,6 +126,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/jaguar-atx_defconfig 
b/arch/mips/configs/jaguar-atx_defconfig
index 2dd971c..59bb5b1 100644
--- a/arch/mips/configs/jaguar-atx_defconfig
+++ b/arch/mips/configs/jaguar-atx_defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_SMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
diff --git a/arch/mips/configs/jmr3927_defconfig 
b/arch/mips/configs/jmr3927_defconfig
index 174fac8..b04c2fb 100644
--- a/arch/mips/configs/jmr3927_defconfig
+++ b/arch/mips/configs/jmr3927_defconfig
@@ -124,6 +124,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/lasat200_defconfig 
b/arch/mips/configs/lasat200_defconfig
index 42bbe06..4582b00 100644
--- a/arch/mips/configs/lasat200_defconfig
+++ b/arch/mips/configs/lasat200_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/malta_defconfig 
b/arch/mips/configs/malta_defconfig
index 7411dac..85c95b9 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -153,6 +153,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+CONFIG_HZ_100=y
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_1000 is not set
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=100
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/mipssim_defconfig 
b/arch/mips/configs/mipssim_defconfig
index d5bfb68..632ea35 100644
--- a/arch/mips/configs/mipssim_defconfig
+++ b/arch/mips/configs/mipssim_defconfig
@@ -137,6 +137,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/mpc30x_defconfig 
b/arch/mips/configs/mpc30x_defconfig
index 3bcfb9a..fd588fd 100644
--- a/arch/mips/configs/mpc30x_defconfig
+++ b/arch/mips/configs/mpc30x_defconfig
@@ -131,6 +131,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ocelot_3_defconfig 
b/arch/mips/configs/ocelot_3_defconfig
index 3e81a40..9f02e0f 100644
--- a/arch/mips/configs/ocelot_3_defconfig
+++ b/arch/mips/configs/ocelot_3_defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_SMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
diff --git a/arch/mips/configs/ocelot_c_defconfig 
b/arch/mips/configs/ocelot_c_defconfig
index 3e3858a..be34918 100644
--- a/arch/mips/configs/ocelot_c_defconfig
+++ b/arch/mips/configs/ocelot_c_defconfig
@@ -132,6 +132,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ocelot_defconfig 
b/arch/mips/configs/ocelot_defconfig
index 2c9bdad..b5a4984 100644
--- a/arch/mips/configs/ocelot_defconfig
+++ b/arch/mips/configs/ocelot_defconfig
@@ -136,6 +136,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/ocelot_g_defconfig 
b/arch/mips/configs/ocelot_g_defconfig
index 9368336..5b364ae 100644
--- a/arch/mips/configs/ocelot_g_defconfig
+++ b/arch/mips/configs/ocelot_g_defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/pb1100_defconfig 
b/arch/mips/configs/pb1100_defconfig
index 48edee2..e7ae00a 100644
--- a/arch/mips/configs/pb1100_defconfig
+++ b/arch/mips/configs/pb1100_defconfig
@@ -131,6 +131,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/pb1500_defconfig 
b/arch/mips/configs/pb1500_defconfig
index 94fe7d8..2718879 100644
--- a/arch/mips/configs/pb1500_defconfig
+++ b/arch/mips/configs/pb1500_defconfig
@@ -130,6 +130,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/pb1550_defconfig 
b/arch/mips/configs/pb1550_defconfig
index dc754ec..f52d085 100644
--- a/arch/mips/configs/pb1550_defconfig
+++ b/arch/mips/configs/pb1550_defconfig
@@ -130,6 +130,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/pnx8550-jbs_defconfig 
b/arch/mips/configs/pnx8550-jbs_defconfig
index 3851133..3448156 100644
--- a/arch/mips/configs/pnx8550-jbs_defconfig
+++ b/arch/mips/configs/pnx8550-jbs_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig 
b/arch/mips/configs/pnx8550-v2pci_defconfig
index 43d7048..e9228f0 100644
--- a/arch/mips/configs/pnx8550-v2pci_defconfig
+++ b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/qemu_defconfig b/arch/mips/configs/qemu_defconfig
index 7acb72d..f76a1ee 100644
--- a/arch/mips/configs/qemu_defconfig
+++ b/arch/mips/configs/qemu_defconfig
@@ -127,6 +127,15 @@ CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_SMP is not set
+# CONFIG_HZ_48 is not set
+CONFIG_HZ_100=y
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_1000 is not set
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=100
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/rbhma4500_defconfig 
b/arch/mips/configs/rbhma4500_defconfig
index 1156c0a..7796cc1 100644
--- a/arch/mips/configs/rbhma4500_defconfig
+++ b/arch/mips/configs/rbhma4500_defconfig
@@ -137,6 +137,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/rm200_defconfig 
b/arch/mips/configs/rm200_defconfig
index 1b214e4..3635f9a 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -137,6 +137,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/sb1250-swarm_defconfig 
b/arch/mips/configs/sb1250-swarm_defconfig
index c611401..2f51758 100644
--- a/arch/mips/configs/sb1250-swarm_defconfig
+++ b/arch/mips/configs/sb1250-swarm_defconfig
@@ -148,6 +148,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
 CONFIG_PREEMPT_NONE=y
diff --git a/arch/mips/configs/sead_defconfig b/arch/mips/configs/sead_defconfig
index c3be587..a228934 100644
--- a/arch/mips/configs/sead_defconfig
+++ b/arch/mips/configs/sead_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/tb0226_defconfig 
b/arch/mips/configs/tb0226_defconfig
index 2d46ccb..6574c25 100644
--- a/arch/mips/configs/tb0226_defconfig
+++ b/arch/mips/configs/tb0226_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/tb0229_defconfig 
b/arch/mips/configs/tb0229_defconfig
index 930940e..523c8b3 100644
--- a/arch/mips/configs/tb0229_defconfig
+++ b/arch/mips/configs/tb0229_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/tb0287_defconfig 
b/arch/mips/configs/tb0287_defconfig
index 70392d5..258457f 100644
--- a/arch/mips/configs/tb0287_defconfig
+++ b/arch/mips/configs/tb0287_defconfig
@@ -133,6 +133,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/workpad_defconfig 
b/arch/mips/configs/workpad_defconfig
index 6376441..bc45bfa 100644
--- a/arch/mips/configs/workpad_defconfig
+++ b/arch/mips/configs/workpad_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/wrppmc_defconfig 
b/arch/mips/configs/wrppmc_defconfig
index 8c0e636..40572a3 100644
--- a/arch/mips/configs/wrppmc_defconfig
+++ b/arch/mips/configs/wrppmc_defconfig
@@ -136,6 +136,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/configs/yosemite_defconfig 
b/arch/mips/configs/yosemite_defconfig
index a96a50d..8779bfa 100644
--- a/arch/mips/configs/yosemite_defconfig
+++ b/arch/mips/configs/yosemite_defconfig
@@ -129,6 +129,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
 CONFIG_PREEMPT_NONE=y
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 74cb055..76e4d09 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -181,7 +181,7 @@ void __init dec_time_init(void)
        }
 
        /* Set up the rate of periodic DS1287 interrupts.  */
-       CMOS_WRITE(RTC_REF_CLCK_32KHZ | (16 - LOG_2_HZ), RTC_REG_A);
+       CMOS_WRITE(RTC_REF_CLCK_32KHZ | (16 - __ffs(HZ)), RTC_REG_A);
 }
 
 EXPORT_SYMBOL(do_settimeofday);
diff --git a/arch/mips/defconfig b/arch/mips/defconfig
index 6d03aeb..664283c 100644
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -135,6 +135,15 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_HZ_48 is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+CONFIG_HZ_1000=y
+# CONFIG_HZ_1024 is not set
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_HZ=1000
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
diff --git a/arch/mips/math-emu/kernel_linkage.c 
b/arch/mips/math-emu/kernel_linkage.c
diff --git a/include/asm-mips/mach-dec/param.h 
b/include/asm-mips/mach-dec/param.h
deleted file mode 100644
index 3e4f0e3..0000000
--- a/include/asm-mips/mach-dec/param.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 by Ralf Baechle
- */
-#ifndef __ASM_MACH_DEC_PARAM_H
-#define __ASM_MACH_DEC_PARAM_H
-
-/*
- * log2(HZ), change this here if you want another HZ value. This is also
- * used in dec_time_init.  Minimum is 1, Maximum is 15.
- */
-#define LOG_2_HZ 7
-#define HZ (1 << LOG_2_HZ)
-
-#endif /* __ASM_MACH_DEC_PARAM_H */
diff --git a/include/asm-mips/mach-generic/param.h 
b/include/asm-mips/mach-generic/param.h
deleted file mode 100644
index a0d12f9..0000000
--- a/include/asm-mips/mach-generic/param.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 by Ralf Baechle
- */
-#ifndef __ASM_MACH_GENERIC_PARAM_H
-#define __ASM_MACH_GENERIC_PARAM_H
-
-#define HZ             1000            /* Internal kernel timer frequency */
-
-#endif /* __ASM_MACH_GENERIC_PARAM_H */
diff --git a/include/asm-mips/mach-jazz/param.h 
b/include/asm-mips/mach-jazz/param.h
deleted file mode 100644
index 639763a..0000000
--- a/include/asm-mips/mach-jazz/param.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 by Ralf Baechle
- */
-#ifndef __ASM_MACH_JAZZ_PARAM_H
-#define __ASM_MACH_JAZZ_PARAM_H
-
-/*
- * Jazz is currently using the internal 100Hz timer of the R4030
- */
-#define HZ             100             /* Internal kernel timer frequency */
-
-#endif /* __ASM_MACH_JAZZ_PARAM_H */
diff --git a/include/asm-mips/mach-mips/param.h 
b/include/asm-mips/mach-mips/param.h
deleted file mode 100644
index 805ef6d..0000000
--- a/include/asm-mips/mach-mips/param.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 by Ralf Baechle
- */
-#ifndef __ASM_MACH_MIPS_PARAM_H
-#define __ASM_MACH_MIPS_PARAM_H
-
-#define HZ             100             /* Internal kernel timer frequency */
-
-#endif /* __ASM_MACH_MIPS_PARAM_H */
diff --git a/include/asm-mips/mach-qemu/param.h 
b/include/asm-mips/mach-qemu/param.h
deleted file mode 100644
index cb30ee4..0000000
--- a/include/asm-mips/mach-qemu/param.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2005 by Ralf Baechle
- */
-#ifndef __ASM_MACH_QEMU_PARAM_H
-#define __ASM_MACH_QEMU_PARAM_H
-
-#define HZ             100             /* Internal kernel timer frequency */
-
-#endif /* __ASM_MACH_QEMU_PARAM_H */
diff --git a/include/asm-mips/param.h b/include/asm-mips/param.h
index 2bead82..1d9bb8c 100644
--- a/include/asm-mips/param.h
+++ b/include/asm-mips/param.h
@@ -11,7 +11,7 @@
 
 #ifdef __KERNEL__
 
-# include <param.h>                    /* Internal kernel timer frequency */
+# define HZ            CONFIG_HZ       /* Internal kernel timer frequency */
 # define USER_HZ       100             /* .. some user interfaces are in 
"ticks" */
 # define CLOCKS_PER_SEC        (USER_HZ)       /* like times() */
 #endif

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