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2011-05-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM: Fix PM QOS's user mode interface to work with ASCII input PM / Hibernate: Update kerneldoc comments in hibernate.c PM / Hibernate: Remove arch_prepare_suspend() PM / Hibernate: Update some comments in core hibernate code
2011-05-25lib: consolidate DEBUG_STACK_USAGE optionStephen Boyd
Most arches define CONFIG_DEBUG_STACK_USAGE exactly the same way. Move it to lib/Kconfig.debug so each arch doesn't have to define it. This obviously makes the option generic, but that's fine because the config is already used in generic code. It's not obvious to me that sysrq-P actually does anything caution by keeping the most inclusive wording. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Chris Metcalf <cmetcalf@tilera.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: Mike Frysinger <vapier@gentoo.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Hirokazu Takata <takata@linux-m32r.org> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-25mm: now that all old mmu_gather code is gone, remove the storagePeter Zijlstra
Fold all the mmu_gather rework patches into one for submission Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reported-by: Hugh Dickins <hughd@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: Tony Luck <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-25arch, mm: filter disallowed nodes from arch specific show_mem functionsDavid Rientjes
Architectures that implement their own show_mem() function did not pass the filter argument to show_free_areas() to appropriately avoid emitting the state of nodes that are disallowed in the current context. This patch now passes the filter argument to show_free_areas() so those nodes are now avoided. This patch also removes the show_free_areas() wrapper around __show_free_areas() and converts existing callers to pass an empty filter. ia64 emits additional information for each node, so skip_free_areas_zone() must be made global to filter disallowed nodes and it is converted to use a nid argument rather than a zone for this use case. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Helge Deller <deller@gmx.de> Cc: James Bottomley <jejb@parisc-linux.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-24PM / Hibernate: Remove arch_prepare_suspend()Rafael J. Wysocki
All architectures supporting hibernation define arch_prepare_suspend() as an empty function, so remove it. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-05-19Merge branch 'driver-core-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 * 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (44 commits) debugfs: Silence DEBUG_STRICT_USER_COPY_CHECKS=y warning sysfs: remove "last sysfs file:" line from the oops messages drivers/base/memory.c: fix warning due to "memory hotplug: Speed up add/remove when blocks are larger than PAGES_PER_SECTION" memory hotplug: Speed up add/remove when blocks are larger than PAGES_PER_SECTION SYSFS: Fix erroneous comments for sysfs_update_group(). driver core: remove the driver-model structures from the documentation driver core: Add the device driver-model structures to kerneldoc Translated Documentation/email-clients.txt RAW driver: Remove call to kobject_put(). reboot: disable usermodehelper to prevent fs access efivars: prevent oops on unload when efi is not enabled Allow setting of number of raw devices as a module parameter Introduce CONFIG_GOOGLE_FIRMWARE driver: Google Memory Console driver: Google EFI SMI x86: Better comments for get_bios_ebda() x86: get_bios_ebda_length() misc: fix ti-st build issues params.c: Use new strtobool function to process boolean inputs debugfs: move to new strtobool ... Fix up trivial conflicts in fs/debugfs/file.c due to the same patch being applied twice, and an unrelated cleanup nearby.
2011-05-13sysfs: remove "last sysfs file:" line from the oops messagesGreg Kroah-Hartman
On some arches (x86, sh, arm, unicore, powerpc) the oops message would print out the last sysfs file accessed. This was very useful in finding a number of sysfs and driver core bugs in the 2.5 and early 2.6 development days, but it has been a number of years since this file has actually helped in debugging anything that couldn't also be trivially determined from the stack traceback. So it's time to delete the line. This is good as we need all the space we can get for oops messages at times on consoles. Acked-by: Phil Carmody <ext-phil.2.carmody@nokia.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-05-11PM / UNICORE32: Use struct syscore_ops instead of sysdevs for PMRafael J. Wysocki
Make some UNICORE32 architecture's code use struct syscore_ops objects for power management instead of sysdev classes and sysdevs. This simplifies the code and reduces the kernel's memory footprint. It also is necessary for removing sysdevs from the kernel entirely in the future. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-04-07Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6Linus Torvalds
* 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6: Fix common misspellings
2011-04-04Merge branch 'unicore32' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32 * 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32: unicore32 framebuffer fix: get videomemory by __get_free_pages() and make it floatable unicore32 core architecture: remove duplicated #include unicore32 rtc driver fix: cleanup irq_set_freq and irq_set_state unicore32 fix: remove arch-specific futex support unicore32 ldscript fix: add cacheline parameter to PERCPU() macro
2011-04-02unicore32 framebuffer fix: get videomemory by __get_free_pages() and make it ↵Guan Xuetao
floatable 1. get videomemory by __get_free_pages() in fb-puv3.c 2. remove resource reservation for old fixed UNIGFX_MMAP & UVC_MMAP space 3. remove unused macros: PKUNTIY_UNIGFX_MMAP_BASE, PKUNITY_UNIGFX_MMAP_SIZE, PKUNITY_UVC_MMAP_BASE, PKUNITY_UVC_MMAP_SIZE and KUSER_UNIGFX_BASE 4. remove unused header linux/vmalloc.h in fb-puv3.h Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-04-02unicore32 core architecture: remove duplicated #includeHuang Weiyi
Remove duplicated #include('s) in arch/unicore32/kernel/traps.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-04-02unicore32 rtc driver fix: cleanup irq_set_freq and irq_set_stateGuan Xuetao
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-04-02unicore32 fix: remove arch-specific futex supportGuan Xuetao
The futex functions in unicore32 are not used and verified, so just replaced by asm-generic version. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-04-02unicore32 ldscript fix: add cacheline parameter to PERCPU() macroGuan Xuetao
Also, adjust cacheline parameter of RW_DATA_SECTION and EXCEPTION_TABLE Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-31Fix common misspellingsLucas De Marchi
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-30genirq: Remove the now obsolete config options and select statementsThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29unicore32: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29unicore32: Convert to new irq function namesThomas Gleixner
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24lib, arch: add filter argument to show_mem and fix private implementationsDavid Rientjes
Commit ddd588b5dd55 ("oom: suppress nodes that are not allowed from meminfo on oom kill") moved lib/show_mem.o out of lib/lib.a, which resulted in build warnings on all architectures that implement their own versions of show_mem(): lib/lib.a(show_mem.o): In function `show_mem': show_mem.c:(.text+0x1f4): multiple definition of `show_mem' arch/sparc/mm/built-in.o:(.text+0xd70): first defined here The fix is to remove __show_mem() and add its argument to show_mem() in all implementations to prevent this breakage. Architectures that implement their own show_mem() actually don't do anything with the argument yet, but they could be made to filter nodes that aren't allowed in the current context in the future just like the generic implementation. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: James Bottomley <James.Bottomley@hansenpartnership.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-17unicore32: rewrite arch-specific tlb.h to use asm-generic versionGuanXuetao
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32: modify io_p2v and io_v2p macros, and adjust PKUNITY_mmio_BASEsGuanXuetao
1. remove __REG macro 2. add (void __iomem *) to io_p2v macro 3. add (phys_addr_t) to io_v2p macro 4. add PKUNITY_AHB_BASE and PKUNITY_APB_BASE definitions 5. modify all PKUNITY_mmio_BASEs from physical addr to virtual addr 6. adjust prefix macro for all usage of PKUNITY_mmio_BASEs -- by advice with Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32: replace unicore32-specific iomap functions with generic lib ↵GuanXuetao
implementation 1. define and enable CONFIG_GENERIC_IOMAP 2. define unicore32-specific PCI_IOBASE for asm-generic/io.h 3. define HAVE_ARCH_PIO_SIZE and unicore32-specific PIO_* macros 4. remove all unicore32-specific iomap functions Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-and-Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 machine related: add frame buffer driver for pkunity-v3 socGuanXuetao
change from original version -- by advice of Paul Mundt 1. remove videomemorysize definitions 2. remove unifb_enable and unifb_setup 3. use dev_warn instead of printk in fb driver 4. remove judgement for FB_ACCEL_PUV3_UNIGFX 5. adjust clk_get and clk_set_rate calls 6. add resources definitions 7. remove unifb_option 8. adjust register for platform_device 9. adjust unifb_ops position and unifb_regs assignment position Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 machine related files: add i2c bus drivers for pkunity-v3 socGuanXuetao
change from original version -- by advice of Jean Delvare 1. remove global variable i2c_reg, replaced by local variables 2. replace ENXIO with ENODEV when no platform resources 3. add adapter->nr assignment before i2c_add_numbered_adapter() call 4. add judgement for i2c_del_adapter() return value 5. release adapter when driver removed 6. add __devexit for puv3_i2c_remove() function 7. modify several names to more appropriated ones Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 io: redefine __REG(x) and re-use readl/writel funcsGuanXuetao
-- by advice of Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 upgrade to v2.6.38-rc5: add one more paramter for pte_alloc_map callGuanXuetao
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32: rename PKUNITY_IOSPACE_BASE to PKUNITY_MMIO_BASEGuanXuetao
for the term IOSPACE normally refers to the PCI PIO space -- by advice with Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32: modify function names and parameters for irq_chipsGuanXuetao
-- by advice with Thomas Gleixner Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32: remove unused lines in arch/unicore32/include/asm/irq.hGuanXuetao
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 time.c: change calculate method for clock_event_deviceGuanXuetao
apply clockevents_calc_mult_shift() to get rid of shift assignment and mult calculation for osmr0 -- by advice with Thomas Gleixner Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 machine related files: pci bus handlingGuanXuetao
This patch implements arch-specific pci bus driver. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 machine related files: hardware registersGuanXuetao
This patch adds all hardware registers definitions. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 machine related files: core filesGuanXuetao
This patch adds machine related core files, also including build infrastructure. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: boot processGuanXuetao
This patch implements booting process, including uncompression process. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: low-level lib: miscGuanXuetao
This patch implements the rest low-level libraries. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: low-level lib: uaccessGuanXuetao
This patch implements low-level uaccess libraries. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: low-level lib: ocd debugGuanXuetao
This patch implements low-level debug libraries with On-Chip-Debugger hardware support. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: ptrace handlingGuanXuetao
This patch adds ptrace support. Changed from previous version: 1. disable arch_has_single_step and remove single-step instruction handler 2. add 'Ross Biro 1/23/92' contributor information 3. clean unused codes Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: float point handlingGuanXuetao
This patch implements support for float point unit, which using UniCore-F64 FPU hardware in UniCore32 ISA. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 additional architecture files: pm related filesGuanXuetao
This patch adds pm related files, including hibernate and sleep supports. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: signals handlingGuanXuetao
This patch implements signals. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 core architecture: interrupts ang gpio handlingGuanXuetao
This patch implements interrupts and gpio handling. UniCore32 has 9 gpio interrupt sources. And gpio device operations are also here. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 core architecture: timer and time handlingGuanXuetao
This patch implements timer and time. RTC and PWM device drivers are also here. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2011-03-17unicore32 core architecture: mm related: consistent device DMA handlingGuanXuetao
This patch implements consistent device DMA handling of memory management. DMA device operations are also here. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: mm related: fault handlingGuanXuetao
This patch implements fault handling of memory management. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: mm related: generic codesGuanXuetao
This patch includes generic codes for memory management. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: process/thread related codesGuanXuetao
This patch implements process/thread related codes. Backtrace and stacktrace are here. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: low level entry and setup codesGuanXuetao
This patch implements low level entry and setup codes. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17unicore32 core architecture: processor and system headersGuanXuetao
This patch includes processor and system headers. System call interface is here. We used the syscall interface the same as asm-generic version. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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