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2009-06-18random: Add optional continuous repetition test to entropy store based rngsNeil Horman
FIPS-140 requires that all random number generators implement continuous self tests in which each extracted block of data is compared against the last block for repetition. The ansi_cprng implements such a test, but it would be nice if the hw rng's did the same thing. Obviously its not something thats always needed, but it seems like it would be a nice feature to have on occasion. I've written the below patch which allows individual entropy stores to be flagged as desiring a continuous test to be run on them as is extracted. By default this option is off, but is enabled in the event that fips mode is selected during bootup. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu templateHuang Ying
kernel_fpu_begin/end used preempt_disable/enable, so sleep should be prevented between kernel_fpu_begin/end. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Do not sleep when using the FPUHuang Ying
Because AES-NI instructions will touch XMM state, corresponding code must be enclosed within kernel_fpu_begin/end, which used preempt_disable/enable. So sleep should be prevented between kernel_fpu_begin/end. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Fix cbc mode IV savingHuang Ying
Original implementation of aesni_cbc_dec do not save IV if input length % 4 == 0. This will make decryption of next block failed. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: padlock-aes - work around Nano CPU errata in CBC modeChuck Ebbert
Extend previous workarounds for the prefetch bug to cover CBC mode, clean up the code a bit. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: padlock-aes - work around Nano CPU errata in ECB modeChuck Ebbert
The VIA Nano processor has a bug that makes it prefetch extra data during encryption operations, causing spurious page faults. Extend existing workarounds for ECB mode to copy the data to an temporary buffer to avoid the problem. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-17ia64: Fix resource assignment for root bussesMatthew Wilcox
ia64 was assigning resources to root busses after allocations had been made for child busses. Calling pcibios_setup_root_windows() from pcibios_fixup_bus() solves this problem by assigning the resources to the root bus before child busses are scanned. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17x86: Use pci_claim_resourceMatthew Wilcox
Instead of open-coding pci_find_parent_resource and request_resource, just call pci_claim_resource. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Delete pcibios_select_rootMatthew Wilcox
This function was only used by pci_claim_resource(), and the last commit deleted that use. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Fix pci_claim_resourceMatthew Wilcox
Instead of starting from the iomem or ioport roots, start from the parent bus' resources. This fixes a bug where child resources would appear above their parents resources if they had the same size. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Convert ia64 to use int-ll64.h [IA64] Fix build error in paravirt_patchlist.c [IA64] ia64 does not need umount2() syscall [IA64] hook up new rt_tgsigqueueinfo syscall [IA64] msi_ia64.c dmar_msi_type should be static [IA64] remove obsolete hw_interrupt_type [IA64] remove obsolete irq_desc_t typedef [IA64] remove obsolete no_irq_type [IA64] unexport fpswa.h
2009-06-17Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: early init for MFD running regulators mfd: fix tmio related warnings mfd: asic3: enable SD/SDIO cell mfd: asic3: enable DS1WM cell mfd: asic3: remove SD/SDIO controller register definitions mfd: asic3: use resource_size macro instead of local variable mfd: add ASIC3 IRQ numbers mfd: asic3: add clock handling for MFD cells mfd: asic3: add asic3_set_register common operation mfd: Fix Kconfig help text for WM8350 mfd: add PCAP driver mfd: add U300 AB3100 core support drivers/mfd: remove obsolete irq_desc_t typedef mfd/pcf50633-gpio.c: add MODULE_LICENSE mfd: Mark WM8350 mask revision as readable to match silicon mfd: Mark clocks_init as non-init in twl4030-core.c mfd: Correct readability of WM8350 register 227
2009-06-17Merge branch 'kmemleak' of git://linux-arm.org/linux-2.6Linus Torvalds
* 'kmemleak' of git://linux-arm.org/linux-2.6: kmemleak: Fix some typos in comments kmemleak: Rename kmemleak_panic to kmemleak_stop kmemleak: Only use GFP_KERNEL|GFP_ATOMIC for the internal allocations
2009-06-17mfd: early init for MFD running regulatorsSamuel Ortiz
For MFDs running regulator cores, we really want them to be brought up early during boot. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mike Rapoport <mike@compulab.co.il>
2009-06-17mfd: fix tmio related warningsSamuel Ortiz
We can not have .driver_data as const since platform_set_drvdata() doesnt take a const. The hclk mmc_data field can be const though. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: enable SD/SDIO cellPhilipp Zabel
This enables the ASIC3's SD/SDIO MFD cell, supported by the tmio_mmc driver. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: enable DS1WM cellPhilipp Zabel
This enables the ASIC3's DS1WM MFD cell, supported by the ds1wm driver. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: remove SD/SDIO controller register definitionsPhilipp Zabel
Only the base addresses remain, as they are needed to set up the IOMEM resources. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: use resource_size macro instead of local variablePhilipp Zabel
This should make the code a little bit easier to read. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add ASIC3 IRQ numbersPhilipp Zabel
IRQ number definitions for PWM, LED, SPI and OWM (ds1wm). Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: add clock handling for MFD cellsPhilipp Zabel
Since ASIC3 has to work on both PXA and S3C and since their struct clk implementations differ, we can't register out clocks with the clkdev mechanism (yet?). For now we have to keep clock handling internal to this driver and enable/disable the clocks via the mfd_cell->enable/disable functions. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: add asic3_set_register common operationPhilipp Zabel
Used to configure single bits of the SDHWCTRL_SDCONF and EXTCF_RESET/SELECT registers needed for DS1WM, MMC/SDIO and PCMCIA functionality. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Fix Kconfig help text for WM8350Mark Brown
More with the grammar. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add PCAP driverDaniel Ribeiro
The PCAP Asic as present on EZX phones is a multi function device with voltage regulators, ADC, touch screen controller, RTC, USB transceiver, leds controller, and audio codec. It has two SPI ports, typically one is connected to the application processor and another to the baseband, this driver provides read/write functions to its registers, irq demultiplexer and ADC queueing/abstraction. This chip is used on a lot of Motorola phones, it was manufactured by TI as a custom product with the name PTWL93017, later this design evolved into the ATLAS PMIC from Freescale (MC13783). Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add U300 AB3100 core supportLinus Walleij
This adds a core driver for the AB3100 mixed-signal circuit found in the ST-Ericsson U300 series platforms. This driver is a singleton proxy for all accesses to the AB3100 sub-drivers which will be merged on top of this one, RTC, regulators, battery and system power control, vibrator, LEDs, and an ALSA codec. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Reviewed-by: Mike Rapoport <mike@compulab.co.il> Reviewed-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17drivers/mfd: remove obsolete irq_desc_t typedefThomas Gleixner
The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have been kept around for migration reasons. After more than two years it's time to remove them finally. This patch cleans up one of the remaining users. When all such patches hit mainline we can remove the defines and typedefs finally. Impact: cleanup Convert the last remaining users and remove the typedef. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd/pcf50633-gpio.c: add MODULE_LICENSEAdrian Bunk
Add the missing MODULE_LICENSE("GPL"). Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Balaji Rao <balajirrao@openmoko.org> Cc: Andy Green <andy@openmoko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Mark WM8350 mask revision as readable to match siliconMark Brown
No impact unless someone has written additional kernel code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Mark clocks_init as non-init in twl4030-core.cRakib Mullick
Impact: Fix section mismatch. clocks_init() has been called from twl4030_probe() which is a non-init function. Since probing can be done anytime so clocks_init will be called anytime too. So we mark clock_init() as non-init. LD drivers/mfd/built-in.o WARNING: drivers/mfd/built-in.o(.text+0x8dd9): Section mismatch in reference from the function twl4030_probe() to the function .init.text:clocks_init() The function twl4030_probe() references the function __init clocks_init(). This is often because twl4030_probe lacks a __init annotation or the annotation of clocks_init is wrong. Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Correct readability of WM8350 register 227Mark Brown
This includes the USB current limit status override which is used in the power management driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17kmemleak: Fix some typos in commentsCatalin Marinas
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-06-17kmemleak: Rename kmemleak_panic to kmemleak_stopCatalin Marinas
This is to avoid the confusion created by the "panic" word. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
2009-06-17kmemleak: Only use GFP_KERNEL|GFP_ATOMIC for the internal allocationsCatalin Marinas
Kmemleak allocates memory for pointer tracking and it tries to avoid using GFP_ATOMIC if the caller doesn't require it. However other gfp flags may be passed by the caller which aren't required by kmemleak. This patch filters the gfp flags so that only GFP_KERNEL | GFP_ATOMIC are used. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
2009-06-17Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] cpumask: new cpumask operators for arch/x86/kernel/cpu/cpufreq/powernow-k8.c [CPUFREQ] cpumask: avoid playing with cpus_allowed in powernow-k8.c [CPUFREQ] cpumask: avoid cpumask games in arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c [CPUFREQ] cpumask: avoid playing with cpus_allowed in speedstep-ich.c [CPUFREQ] powernow-k8: get drv data for correct CPU [CPUFREQ] powernow-k8: read P-state from HW [CPUFREQ] reduce scope of ACPI_PSS_BIOS_BUG_MSG[] [CPUFREQ] Clean up convoluted code in arch/x86/kernel/tsc.c:time_cpufreq_notifier() [CPUFREQ] minor correction to cpu-freq documentation [CPUFREQ] powernow-k8.c: mess cleanup [CPUFREQ] Only set sampling_rate_max deprecated, sampling_rate_min is useful [CPUFREQ] powernow-k8: Set transition latency to 1 if ACPI tables export 0 [CPUFREQ] ondemand: Uncouple minimal sampling rate from HZ in NO_HZ case
2009-06-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: [SCSI] aic79xx: make driver respect nvram for IU and QAS settings [SCSI] don't attach ULD to Dell Universal Xport [SCSI] lpfc 8.3.3 : Update driver version to 8.3.3 [SCSI] lpfc 8.3.3 : Add support for Target Reset handler entrypoint [SCSI] lpfc 8.3.3 : Fix a couple of spin_lock and memory issues and a crash [SCSI] lpfc 8.3.3 : FC/FCOE discovery fixes [SCSI] lpfc 8.3.3 : Fix various SLI-3 vs SLI-4 differences [SCSI] qla2xxx: Resolve a performance issue in interrupt [SCSI] cnic, bnx2i: Fix build failure when CONFIG_PCI is not set. [SCSI] nsp_cs: time_out reaches -1 [SCSI] qla2xxx: fix printk format warnings [SCSI] ncr53c8xx: div reaches -1 [SCSI] compat: don't perform unneeded copy in sg_io code [SCSI] zfcp: Update FC pass-through support [SCSI] zfcp: Add FC pass-through support [SCSI] FC Pass Thru support
2009-06-17Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6Linus Torvalds
* 'linux-next' of git://git.infradead.org/ubi-2.6: (21 commits) UBI: add reboot notifier UBI: handle more error codes UBI: fix multiple spelling typos UBI: fix kmem_cache_free on error patch UBI: print amount of reserved PEBs UBI: improve messages in the WL worker UBI: make gluebi a separate module UBI: remove built-in gluebi UBI: add notification API UBI: do not switch to R/O mode on read errors UBI: fix and clean-up error paths in WL worker UBI: introduce new constants UBI: fix race condition UBI: minor serialization fix UBI: do not panic if volume check fails UBI: add dump_stack in checking code UBI: fix races in I/O debugging checks UBI: small debugging code optimization UBI: improve debugging messages UBI: re-name volumes_mutex to device_mutex ...
2009-06-17Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds
* 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: start using hrtimers hrtimer: export ktime_add_safe UBIFS: do not forget to register BDI device UBIFS: allow sync option in rootflags UBIFS: remove dead code UBIFS: use anonymous device UBIFS: return proper error code if the compr is not present UBIFS: return error if link and unlink race UBIFS: reset no_space flag after inode deletion
2009-06-17Documentation/vm/Makefile: don't try to build slqbinfoAndrew Morton
For it is only in linux-next at this stage. Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17drm/radeon/kms: remove the _DRM_DRIVER from the KMS paths.Dave Airlie
This causes an issue since we fixed the drm mappings to do the right thing, so its just a copy and pasto. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: SLUB: Fix early boot GFP_DMA allocations SLUB: Don't print out OOM warning for __GFP_NOFAIL SLUB: fix build when !SLUB_DEBUG SLUB: Out-of-memory diagnostics slab: document kzfree() zeroing behavior slab: fix generic PAGE_POISONING conflict with SLAB_RED_ZONE slob: use PG_slab for identifying SLOB pages
2009-06-17Pull for-2.6.31 into releaseTony Luck
2009-06-17[IA64] Convert ia64 to use int-ll64.hMatthew Wilcox
It is generally agreed that it would be beneficial for u64 to be an unsigned long long on all architectures. ia64 (in common with several other 64-bit architectures) currently uses unsigned long. Migrating piecemeal is too painful; this giant patch fixes all compilation warnings and errors that come as a result of switching to use int-ll64.h. Note that userspace will still see __u64 defined as unsigned long. This is important as it affects C++ name mangling. [Updated by Tony Luck to change efi.h:efi_freemem_callback_t to use u64 for start/end rather than unsigned long] Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-06-17Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (47 commits) MIPS: Add hibernation support MIPS: Move Cavium CP0 hwrena impl bits to cpu-feature-overrides.h MIPS: Allow CPU specific overriding of CP0 hwrena impl bits. MIPS: Kconfig Add SYS_SUPPORTS_HUGETLBFS and enable it for some systems. Hugetlbfs: Enable hugetlbfs for more systems in Kconfig. MIPS: TLB support for hugetlbfs. MIPS: Add hugetlbfs page defines. MIPS: Add support files for hugetlbfs. MIPS: Remove unused parameters from iPTE_LW. Staging: Add octeon-ethernet driver files. MIPS: Export erratum function needed by octeon-ethernet driver. MIPS: Cavium-Octeon: Add more chip specific feature tests. MIPS: Cavium-Octeon: Add more board type constants. MIPS: Export cvmx_sysinfo_get needed by octeon-ethernet driver. MIPS: Add named alloc functions to OCTEON boot monitor memory allocator. MIPS: Alchemy: devboards: Convert to gpio calls. MIPS: Alchemy: xxs1500: use linux gpio api. MIPS: Alchemy: MTX-1: Use linux gpio api. MIPS: Alchemy: Rewrite GPIO support. MIPS: Alchemy: Remove unused au1000_gpio.h header ...
2009-06-17[IA64] Fix build error in paravirt_patchlist.cJes Sorensen
Andrew cleaned up some #include tangles in: commit 0d9c25dde878a636ee9a9b53923569171bf9a55b headers: move module_bug_finalize()/module_bug_cleanup() definitions into module.h which resulted in this build error for ia64: CC arch/ia64/kernel/paravirt_patchlist.o arch/ia64/kernel/paravirt_patchlist.c:43: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__initdata' arch/ia64/kernel/paravirt_patchlist.c:54: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_patchlist' arch/ia64/kernel/paravirt_patchlist.c:76: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_section' make[1]: *** [arch/ia64/kernel/paravirt_patchlist.o] Error 1 The problem was that paravirt_patchlist.c was relying on some of the nested includes (specifically that linux/bug.h included linux/module.h Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-06-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: get rid of BKL in fs/sysv get rid of BKL in fs/minix get rid of BKL in fs/efs befs ->pust_super() doesn't need BKL Cleanup of adfs headers 9P doesn't need BKL in ->umount_begin() fuse doesn't need BKL in ->umount_begin() No instance of ->bmap() needs BKL remove unlock_kernel() left accidentally ext4: avoid unnecessary spinlock in critical POSIX ACL path ext3: avoid unnecessary spinlock in critical POSIX ACL path
2009-06-17MIPS: Add hibernation supportWu Zhangjin
[Ralf: SMP support requires CPU hotplugging which MIPS currently doesn't support. As implemented in this patch cache and tlb flushing will also be invoked with interrupts disabled so smp_call_function() will blow up in charming ways. So limit to !SMP.] Reviewed-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Yan Hua <yanh@lemote.com> Reviewed-by: Arnaud Patard <apatard@mandriva.com> Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Wu Zhangjin <wuzj@lemote.com> Signed-off-by: Hu Hongbing <huhb@lemote.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-17MIPS: Move Cavium CP0 hwrena impl bits to cpu-feature-overrides.hDavid Daney
We had an ugly #ifdef for Cavium Octeon hwrena bits in traps.c, remove it to mach-cavium-octeon/cpu-feature-overrides.h Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-17MIPS: Allow CPU specific overriding of CP0 hwrena impl bits.David Daney
Some CPUs have implementation dependent rdhwr registers. Allow them to be enabled on a per CPU basis. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-17MIPS: Kconfig Add SYS_SUPPORTS_HUGETLBFS and enable it for some systems.David Daney
Add new kconfig variables SYS_SUPPORTS_HUGETLBFS and CPU_SUPPORTS_HUGEPAGES. They are enabled for systems that are known to support huge pages. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-17Hugetlbfs: Enable hugetlbfs for more systems in Kconfig.David Daney
As part of adding hugetlbfs support for MIPS, I am adding a new kconfig variable 'SYS_SUPPORTS_HUGETLBFS'. Since some mips cpu varients don't yet support it, we can enable selection of HUGETLBFS on a system by system basis from the arch/mips/Kconfig. Signed-off-by: David Daney <ddaney@caviumnetworks.com> CC: William Irwin <wli@holomorphy.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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