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2009-05-14MIPS: Sibyte: Fix locking in set_irq_affinityThomas Bogendoerfer2-10/+4
Locking of irq_desc is now done in irq_set_affinity; don't lock it again in chip specific set_affinity function. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Use force_sig when handling address errors.David Daney1-3/+3
When init is started it is SIGNAL_UNKILLABLE. If it were to get an address error, we would try to send it SIGBUS, but it would be ignored and the faulting instruction restarted. This results in an endless loop. We need to use force_sig() instead so it will actually die and give us some useful information. Reported-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Cavium: Add struct clocksource * argument to octeon_cvmcount_read()Coly Li1-1/+1
This patch modifies parameter of octeon_cvmcount_read() from 'void' to 'struct clocksource *cs', which fixes compile warning for incompatible parameter type. Signed-off-by: Coly Li <coly.li@suse.de> Cc: David Daney <ddaney@caviumnetworks.com> Cc: Ingo Molnar <mingo@elte.hu> Reviewed-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0.Ralf Baechle1-92/+50
The inline assembler used on 32-bit kernels was using the "h" constraint which was considered dangerous and removed for gcc 4.4.0. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Fix highmem.Ralf Baechle4-34/+26
Commit 351336929ccf222ae38ff0cb7a8dd5fd5c6236a0 (kernel.org) rsp. b3594a089f1c17ff919f8f78505c3f20e1f6f8ce (linux-mips.org): > From: Chris Dearman <chris@mips.com> > Date: Wed, 19 Sep 2007 00:58:24 +0100 > Subject: [PATCH] [MIPS] Allow setting of the cache attribute at run time. > > Slightly tacky, but there is a precedent in the sparc archirecture code. introduces the variable _page_cachable_default, which defaults to zero and. is used to create the prototype PTE for __kmap_atomic in arch/mips/mm/init.c:kmap_init before initialization in arch/mips/mm/c-r4k.c:coherency_setup, so the default value of 0 will be used as the CCA of kmap atomic pages which on many processors is not a defined CCA value and may result in writes to kmap_atomic pages getting corrupted. Debugged by Jon Fraser (jfraser@broadcom.com). Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Fix sign-extension bug in 32-bit kernel on 32-bit hardware.Ralf Baechle1-4/+4
Probably nobody does arithmetic on cp0 register values so this has never bitten. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: MSP71xx: Remove the RAMROOT functionsShane McDonald2-71/+1
The RAMROOT function was a successful but non-portable attempt to append the root filesystem to the end of the kernel image. The preferred and portable solution is to use an initramfs instead. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Use -mno-check-zero-divisionRalf Baechle1-0/+1
I don't think that in 15 years of Linux/MIPS the zero division checking code generated by gcc by default has ever caught anything. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Set compiler options only after the compiler prefix has ben set.Ralf Baechle1-2/+2
Otherwise indigestable options might be passed to the host compiler. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: IP27: Get rid of #ident. Gcc 4.4.0 doesn't like it.Ralf Baechle1-2/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: uaccess: Switch lock annotations to might_fault().Ralf Baechle2-18/+23
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: MSP71xx: Resolve use of non-existent GPIO routines in msp71xx resetShane McDonald1-6/+2
There have been a number of compile problems with the msp71xx configuration ever since it was included in the linux-mips.org repository. This patch resolves compilation problems with attempting to reset the board using non-existent GPIO routines. This patch has been compile-tested against the current HEAD. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: MSP71xx: Resolve multiple definition of plat_timer_setupShane McDonald1-5/+2
There have been a number of compile problems with the msp71xx configuration ever since it was included in the linux-mips.org repository. This patch resolves the "multiple definition of plat_timer_setup" problem, and creates the required get_c0_compare_int function. This patch has been compile-tested against the current HEAD. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Make uaccess.h slightly more sparse friendly.Ralf Baechle1-12/+27
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Make access_ok() sideeffect proof.Ralf Baechle1-3/+13
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: IP27: Fix clash with NMI_OFFSET from hardirq.hThomas Bogendoerfer1-2/+2
There was already a define for NMI_OFFSET in asm/sn/addr.h, which now clashes with linux/hardirq.h. Rename the one in sn/addr.h to fix IP27 builds.. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Alchemy: Timer build fixManuel Lauss1-1/+1
Fix breakage introduced by 8e19608e8b5c001e4a66ce482edc474f05fb7355. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Kconfig: Delete duplicate definition of RWSEM_GENERIC_SPINLOCK.Ralf Baechle1-4/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Cavium: Add support for 8k and 32k page sizes.Ralf Baechle6-4/+44
Beyond the requirements of the architecture standard Cavium also supports 8k and 32k pages. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: David Daney <ddaney@caviumnetworks.com>
2009-05-14MIPS: TXx9: Fix possible overflow in clock calculationsAtsushi Nemoto3-3/+3
Addition of -fwrapv option in 2.6.29 discloses possible overflow with signed arithmetics. For example, result of "a * 6 / 12" (int a = 400000000) is 200000000 without -fwrapv but -157913941 with -fwrapv. Change some variable to unsigned to avoid such overflows. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Synchronize dma_map_page and dma_map_singleAtsushi Nemoto2-20/+8
Synchronize dma_map_page/dma_unmap_page and dma_map_single/dma_unmap_single. This will reduce unnecessary writebacks and invalidates. [Ralf: make dma_unmap_page an inline function.] Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Enable CLO / CLZ instructions via separate CPU propertyRalf Baechle2-2/+11
This is useful for IDT RC32332, RC32334 and NEC VR5500 processors which do not implement the full MIPS32 / MIPS64 architecture. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Loongson 2 needs no hazard barriers.Zhang Le1-2/+3
Quoting from Loongson2FUserGuide.pdf: 5.22.1 Hazards The processor detects most of the pipeline hazards in hardware, including CP0 hazards and load hazards. No NOP instructions are required to correct instruction sequences. Signed-off-by: Zhang Le <r0bertz@gentoo.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Do not include seccomp.h from compat.hAtsushi Nemoto1-1/+0
The compat.h does not need seccomp.h since TIF_32BIT was moved to thread_info.h This fixes a build error of 64-bit kernel without CONFIG_SECCOMP. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: : David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: RBTX4939: Fix typo in system nameAtsushi Nemoto1-1/+1
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Compat: Use generic 32-bit wrapers for sys_timerfd_{g,s}ettimeDavid Daney2-4/+4
The LTP timerfd01 test is failing (blocking forever) on the 32-bit ABIs. We need to use the compat_* wrappers for these system calls. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Fix build error if CONFIG_CEVT_R4K is undefined.Ralf Baechle1-1/+1
Introduced by 99aa5029937ee926e3b249369e208d7013cd381b. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Add Loongson cpu-feature-overrides.hZhang Le1-0/+59
I have taken Wu Zhangjin's and Philippe Vachon's version as references, did a little modification and tested on 16K page size kernel. It works well. Unfornately although it already has defined cpu_has_dc_aliases as 1, 4k page size still not working. More work needed here. Signed-off-by: Zhang Le <r0bertz@gentoo.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Print the actual detected I-cache associativity on bootup.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: gbe: Make needlessly global symbols static in drivers/video/gbefb.cDmitri Vorobiev1-7/+7
The following symbols are needlessly defined global: default_mode default_var gbe_mem_phys gbe_turn_off gbefb_exit gbefb_init gbefb_setup This error was noticed by namespacecheck when compiling ip32_defconfig. This patch makes the symbols static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: IP32: Fix needlessly global symbols in arch/mips/sgi-ip32/ip32-irq.cDmitri Vorobiev1-2/+2
The following symbols are needlessly defined global: cpuerr_irq and memerr_irq. This patch makes the symbols static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: IP32: ip32_be_handler symbol is needlessly defined globalDmitri Vorobiev1-1/+1
The file arch/mips/sgi-ip32/ip32-berr.c needlessly defines the function ip32_be_handler() as global, and this patch makes it static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: IP32: Two symbols can become staticDmitri Vorobiev1-2/+2
The file arch/mips/mm/sc-rm7k.c needlessly defines two global symbols: rm7k_sc_ops rm7k_tcache_enabled This patch makes these symbols static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: au1xxx-ide: Fix build with CONFIG_PMManuel Lauss1-17/+0
au1xxx_power_dev_t? is never defined; get rid of all PM stuff as well since it is not in the driver source anyway. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Alchemy: Add missing Au1200 GPIO203 interruptManuel Lauss1-2/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: Alchemy: Fix AU1100 interrupt numbers off-by-oneManuel Lauss1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: SMTC: Fix xxx_clockevent_init() naming conflict for SMTCKevin D. Kissell2-2/+6
Commit 779e7d41ad004946603da139da99ba775f74cb1c created a name collision in SMTC builds. The attached patch corrects this in a a not-too-terribly-ugly manner. Note that the SMTC case has to come first, because CEVT_R4K will also be true. Signed-off-by: Kevin D. Kissell <kevink@paralogos.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-14MIPS: SMTC: Bring set/clear/change_c0_## return value semantics uptodate.Kevin D. Kissell1-8/+11
Signed-off-by: Kevin D. Kissell <kevink@paralogos.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-05-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6Linus Torvalds12-20/+81
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: xtensa: Fix linker script to include .literal sections xtensa: update s6105_defconfig for ccount calibration xtensa: implement ccount calibration for s6000 xtensa: fix wrong extern declaration renamed in code using it xtensa: register gpio chip before use xtensa: always use correct stack pointer for stack traces xtensa: Fix checksum header file xtensa: Fix architecture specific Kconfig
2009-05-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linusLinus Torvalds3-1/+11
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: Squashfs: cody tidying, remove commented out line in Makefile Squashfs: check page size is not larger than the filesystem block size Squashfs: fix breakage when page size > metadata block size
2009-05-13Merge branch 'for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: destroy bdi on error
2009-05-13Merge branch 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2-6/+8
* 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SVM: Remove port 80 passthrough KVM: Make EFER reads safe when EFER does not exist KVM: Fix NX support reporting KVM: SVM: Fix cross vendor migration issue with unusable bit
2009-05-13Merge branch 'for-linus' of ↵Linus Torvalds7-149/+167
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: check size of array structured data exchanged via ioctls nilfs2: fix lock order reversal in nilfs_clean_segments ioctl nilfs2: fix possible circular locking for get information ioctls nilfs2: ensure to clear dirty state when deleting metadata file block nilfs2: fix circular locking dependency of writer mutex nilfs2: fix possible recovery failure due to block creation without writer
2009-05-13Merge branch 'for-linus' of ↵Linus Torvalds4-3/+11
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/mlx4: Don't overwrite fast registration page list when posting work request RDMA/cxgb3: Don't complete flushed send work requests twice
2009-05-13Merge branch 'for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-2.6: drm/i915: automatically select FRAMEBUFFER_CONSOLE if !EMBEDDED
2009-05-13Merge branches 'cxgb3' and 'mlx4' into for-linusRoland Dreier3-3/+10
2009-05-13Revert "Ignore madvise(MADV_WILLNEED) for hugetlbfs-backed regions"Linus Torvalds1-8/+0
This reverts commit a425a638c858fd10370b573bde81df3ba500e271. Now that the previous commit removed the "readpage" actor for hugetlb files, read-ahead will no longer mess up the mapping, and there's no longer any reason to treat hugetlbfs mappings specially. Tested-and-acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-13Remove implementation of readpage from the hugetlbfs_aopsMel Gorman1-11/+0
The core VM assumes the page size used by the address_space in inode->i_mapping is PAGE_SIZE but hugetlbfs breaks this assumption by inserting pages into the page cache at offsets the core VM considers unexpected. This would not be a problem except that hugetlbfs also provide a ->readpage implementation. As it exists, the core VM can assume the base page size is being used, allocate pages on behalf of the filesystem, insert them into the page cache and call ->readpage to populate them. These pages are the wrong size and at the wrong offset for hugetlbfs causing confusion. This patch deletes the ->readpage implementation for hugetlbfs on the grounds the core VM should not be allocating and populating pages on behalf of hugetlbfs. There should be no existing users of the ->readpage implementation so it should not cause a regression. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-13Squashfs: cody tidying, remove commented out line in MakefilePhillip Lougher1-1/+0
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2009-05-13Squashfs: check page size is not larger than the filesystem block sizePhillip Lougher1-0/+10
Normally the block size (by default 128K) will be larger than the page size, unless a non-standard block size has been specified in Mksquashfs, and the page size is larger than 4K. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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