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2010-04-04sunxvr500: Ignore secondary output PCI devices.David S. Miller
These just represent the secondary and further heads attached to the card, and they have different sets of PCI bar registers to map. So don't try to drive them in the main driver. Reported-by: Frans van Berckel <fberckel@xs4all.nl> Tested-by: Frans van Berckel <fberckel@xs4all.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-03sparc64: Implement perf_arch_fetch_caller_regsDavid S. Miller
We provide regs->tstate, regs->tpc, regs->tnpc and regs->u_regs[UREG_FP]. regs->tstate is necessary for: user_mode() (via perf_exclude_event()) perf_misc_flags() (via perf_prepare_sample()) regs->tpc is necessary for: perf_instruction_pointer() (via perf_prepare_sample()) and regs->u_regs[UREG_FP] is necessary for: perf_callchain() (via perf_prepare_sample()) The regs->tnpc value is provided just to be tidy. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-03sparc64: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-03Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2010-04-03sparc64: Fix array size reported by vmemmap_populate()Ben Hutchings
vmemmap_populate() attempts to report the used index and total size of vmemmap_table, but it wrongly shifts the total size so that it is always shown as 0. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-02Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 5965/1: Fix soft lockup in at91 udc driver ARM: 6006/1: ARM: Use the correct NOP size in memmove for Thumb-2 kernel builds ARM: 6005/1: arm: kprobes: fix register corruption with jprobes ARM: 6003/1: removing compilation warning from pl061.h ARM: 6001/1: removing compilation warning comming from clkdev.h ARM: 6000/1: removing compilation warning comming from <asm/irq.h> ARM: 5999/1: Including device.h and resource.h header files in linux/amba/bus.h ARM: 5997/1: ARM: Correct the VFPv3 detection ARM: 5996/1: ARM: Change the mandatory barriers implementation (4/4) ARM: 5995/1: ARM: Add L2x0 outer_sync() support (3/4) ARM: 5994/1: ARM: Add outer_cache_fns.sync function pointer (2/4) ARM: 5993/1: ARM: Move the outer_cache definitions into a separate file (1/4)
2010-04-02Merge branch 'merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'merge' of git://git.secretlab.ca/git/linux-2.6: powerpc/5200: in lpbfifo, flag DMA irqs as enabled after requesting them powerpc/fsl: add device tree binding for QE firmware of/flattree: Fix unhandled OF_DT_NOP tag when unflattening the device tree
2010-04-02Merge branch 'reiserfs/kill-bkl' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing * 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: reiserfs: Fix locking BUG during mount failure
2010-04-02PCI quirk: RS780/RS880: disable MSI behind the PCI bridgeClemens Ladisch
The missing initialization of the nb_cntl.strap_msi_enable does not seem to be the only problem that prevents MSI, so that quirk is not sufficient to enable MSI on all machines. To be safe, disable MSI unconditionally for the internal graphics and HDMI audio on these chipsets. [rjw: Added the PCI_VENDOR_ID_AI quirk.] Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-02Merge branch 'kgdb-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'kgdb-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kgdb: Turn off tracing while in the debugger kgdb: use atomic_inc and atomic_dec instead of atomic_set kgdb: eliminate kgdb_wait(), all cpus enter the same way kgdbts,sh: Add in breakpoint pc offset for superh kgdb: have ebin2mem call probe_kernel_write once
2010-04-02Merge branch 'pm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: Freezer: Fix buggy resume test for tasks frozen with cgroup freezer Freezer: Only show the state of tasks refusing to freeze
2010-04-02tty: release_one_tty() forgets to put pidsOleg Nesterov
release_one_tty(tty) can be called when tty still has a reference to pgrp/session. In this case we leak the pid. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reported-by: Catalin Marinas <catalin.marinas@arm.com> Reported-and-tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-02kgdb: Turn off tracing while in the debuggerJason Wessel
The kernel debugger should turn off kernel tracing any time the debugger is active and restore it on resume. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
2010-04-02kgdb: use atomic_inc and atomic_dec instead of atomic_setJason Wessel
Memory barriers should be used for the kgdb cpu synchronization. The atomic_set() does not imply a memory barrier. Reported-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-04-02kgdb: eliminate kgdb_wait(), all cpus enter the same wayJason Wessel
This is a kgdb architectural change to have all the cpus (master or slave) enter the same function. A cpu that hits an exception (wants to be the master cpu) will call kgdb_handle_exception() from the trap handler and then invoke a kgdb_roundup_cpu() to synchronize the other cpus and bring them into the kgdb_handle_exception() as well. A slave cpu will enter kgdb_handle_exception() from the kgdb_nmicallback() and set the exception state to note that the processor is a slave. Previously the salve cpu would have called kgdb_wait(). This change allows the debug core to change cpus without resuming the system in order to inspect arch specific cpu information. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-04-02kgdbts,sh: Add in breakpoint pc offset for superhJason Wessel
The kgdb test suite mimics the behavior of gdb. For the sh architecture the pc must be decremented by 2 for software breakpoint. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Paul Mundt <lethal@linux-sh.org>
2010-04-02kgdb: have ebin2mem call probe_kernel_write onceJason Wessel
Rather than call probe_kernel_write() one byte at a time, process the whole buffer locally and pass the entire result in one go. This way, architectures that need to do special handling based on the length can do so, or we only end up calling memcpy() once. [sonic.zhang@analog.com: Reported original problem and preliminary patch] Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-04-02Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: Add NOGET quirk for Quanta Pixart touchscreen HID: fix oops in gyration_event()
2010-04-02Merge branch 'sh/for-2.6.34' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Fix up the SH-3 build for recent TLB changes. sh: export return_address() symbol. sh: Enable the mmu in start_secondary() sh: Fix FDPIC binary loader arch/sh/kernel: Use set_cpus_allowed_ptr sh: Update ecovec_defconfig USB gadget r8a66597-udc.c: duplicated include sh: update the TLB replacement counter for entry wiring.
2010-04-02sh: Fix up the SH-3 build for recent TLB changes.Paul Mundt
While the MMUCR.URB and ITLB/UTLB differentiation works fine for all SH-4 and later TLBs, these features are absent on SH-3. This splits out local_flush_tlb_all() in to SH-4 and PTEAEX copies while restoring the old SH-3 one, subsequently fixing up the build. This will probably want some further reordering and tidying in the future, but that's out of scope at present. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-04-02sh: export return_address() symbol.Paul Mundt
This is needed with some of the tracing code built as modules, so provide the export. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-04-01Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (76 commits) drm/radeon/kms: enable ACPI powermanagement mode on radeon gpus. drm/radeon/kms: rs400/480 should set common registers. drm/radeon/kms: add sanity check to wptr. drm/radeon/kms/evergreen: get DP working drm/radeon/kms: add hw_i2c module option drm/radeon/kms: use new pre/post_xfer i2c bit algo hooks drm/radeon/kms: disable MSI on IGP chips drm/radeon/kms: display watermark updates (v2) drm/radeon/kms/dp: disable training pattern on the sink at the end of link training drm/radeon/kms: minor fixes for eDP with LCD* device tags (v2) drm/radeon/kms/dp: remove extraneous training complete call drm/radeon/kms/atom: minor fixes to transmitter setup drm/radeon/kms: Only restrict BO to visible VRAM size when pinning to VRAM. drm: fix build error when SYSRQ is disabled drm/radeon/kms: fix macbookpro connector quirk drm/radeon/r6xx/r7xx: further safe reg clean up drm/radeon: bump the UMS driver version for r6xx/r7xx const buffer support drm/radeon/kms: bump the version for r6xx/r7xx const buffer support drm/radeon/r6xx/r7xx: CS parser fixes drm/radeon/kms: fix some typos in r6xx/r7xx hpd setup ... Fix up MSI-related conflicts in drivers/gpu/drm/radeon/radeon_irq_kms.c
2010-04-01Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (35 commits) microblaze: Support word copying in copy_tofrom_user microblaze: Print early printk information to log buffer microblaze: head.S typo fix microblaze: Use MICROBLAZE_TLB_SIZE in asm code microblaze: Kconfig Fix - pci microblaze: Adding likely macros microblaze: Add .type and .size to ASM functions microblaze: Fix TLB macros microblaze: Use instruction with delay slot microblaze: Remove additional resr and rear loading microblaze: Change register usage for ESR and EAR microblaze: Prepare work for optimization in exception code microblaze: Add DEBUG option microblaze: Support systems without lmb bram microblaze: uaccess: Sync strlen, strnlen, copy_to/from_user microblaze: uaccess: Unify __copy_tofrom_user microblaze: uaccess: Move functions to generic location microblaze: uaccess: Fix put_user for noMMU microblaze: uaccess: Fix get_user macro for noMMU microblaze: uaccess: fix clear_user for noMMU kernel ...
2010-04-01Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: eeepc-wmi: new driver for WMI based hotkeys on Eee PC laptops asus-laptop: fix warning in asus_handle_init
2010-04-01oom: fix the unsafe usage of badness() in proc_oom_score()Oleg Nesterov
proc_oom_score(task) has a reference to task_struct, but that is all. If this task was already released before we take tasklist_lock - we can't use task->group_leader, it points to nowhere - it is not safe to call badness() even if this task is ->group_leader, has_intersects_mems_allowed() assumes it is safe to iterate over ->thread_group list. - even worse, badness() can hit ->signal == NULL Add the pid_alive() check to ensure __unhash_process() was not called. Also, use "task" instead of task->group_leader. badness() should return the same result for any sub-thread. Currently this is not true, but this should be changed anyway. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-01microblaze: Support word copying in copy_tofrom_userMichal Simek
Word copying is used only for aligned addresses. Here is space for improving to use any better copying technique. Look at memcpy implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Print early printk information to log bufferMichal Simek
If early printk console is not enabled then all messages are written to log buffer. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: head.S typo fixMichal Simek
I forget to change register name in comments. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Use MICROBLAZE_TLB_SIZE in asm codeMichal Simek
TLB size was hardcoded in asm code. This patch brings ability to change TLB size only in one place. (mmu.h). Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Kconfig Fix - pciMichal Simek
I forget to remove pci Kconfig option. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Adding likely macrosMichal Simek
On the base on GCOV analytics is helpful to add likely/unlikely macros. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Add .type and .size to ASM functionsMichal Simek
Cachegrind analysis need this fix to be able to log asm functions. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Fix TLB macrosMichal Simek
To be able to do trace TLB operations. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Use instruction with delay slotMichal Simek
Sync labels. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Remove additional resr and rear loadingMichal Simek
RESR and REAR uses the same regs in whole file. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Change register usage for ESR and EARMichal Simek
This change synchronize register usage in code. ESR = R4 EAR = R3 Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Prepare work for optimization in exception codeMichal Simek
Any sync branch must follow mts instructions not mfs. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Add DEBUG optionMichal Simek
Disable debug option in asm code. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Support systems without lmb bramMichal Simek
When the system has no lmb bram, main memory should be start from zero because of microblaze vectors. DTS fragment could look like: DDR2_SDRAM: memory@0 { device_type = "memory"; reg = < 0x0 0x10000000 >; } ; Then you have to setup CONFIG_KERNEL_BASE_ADDR=0 which caused that kernel physical start address will be zero. On reset vector place will be jump to 0x100 and on 0x100 starts kernel text. You have to solve how to load the kernel before cpu starts. Tested with XMD. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Sync strlen, strnlen, copy_to/from_userMichal Simek
Last sync. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Unify __copy_tofrom_userMichal Simek
Move to generic location. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Move functions to generic locationMichal Simek
noMMU and MMU use them. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Fix put_user for noMMUMichal Simek
Here is small regression on dhrystone tests and I think that on all benchmarking tests. It is due to better checking mechanism in put_user macro Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Fix get_user macro for noMMUMichal Simek
Use unified version. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix clear_user for noMMU kernelMichal Simek
Previous patches fixed only MMU version and this is the first patch for noMMU kernel Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Fix strncpy_from_user functionMichal Simek
Generic implementation for noMMU and MMU version Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix copy_from_user macroMichal Simek
copy_from_user macro also use copy_tofrom_user function Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: copy_to_user unificationMichal Simek
noMMU and MMU kernel will use copy copy_tofrom_user asm implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: sync put/get/clear_user macrosMichal Simek
Add macro description and resort. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix put_user and get_user macrosMichal Simek
Use FIXUP macros and resort them. Signed-off-by: Michal Simek <monstr@monstr.eu>
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