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2008-12-18x86: PAT: add follow_pfnmp_pte routine to help tracking pfnmap pages - v3venkatesh.pallipadi@intel.com
Impact: New currently unused interface. Add a generic interface to follow pfn in a pfnmap vma range. This is used by one of the subsequent x86 PAT related patch to keep track of memory types for vma regions across vma copy and free. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-12-18x86: PAT: store vm_pgoff for all linear_over_vma_region mappings - v3venkatesh.pallipadi@intel.com
Impact: Code transformation, new functions added should have no effect. Drivers use mmap followed by pgprot_* and remap_pfn_range or vm_insert_pfn, in order to export reserved memory to userspace. Currently, such mappings are not tracked and hence not kept consistent with other mappings (/dev/mem, pci resource, ioremap) for the sme memory, that may exist in the system. The following patchset adds x86 PAT attribute tracking and untracking for pfnmap related APIs. First three patches in the patchset are changing the generic mm code to fit in this tracking. Last four patches are x86 specific to make things work with x86 PAT code. The patchset aso introduces pgprot_writecombine interface, which gives writecombine mapping when enabled, falling back to pgprot_noncached otherwise. This patch: While working on x86 PAT, we faced some hurdles with trackking remap_pfn_range() regions, as we do not have any information to say whether that PFNMAP mapping is linear for the entire vma range or it is smaller granularity regions within the vma. A simple solution to this is to use vm_pgoff as an indicator for linear mapping over the vma region. Currently, remap_pfn_range only sets vm_pgoff for COW mappings. Below patch changes the logic and sets the vm_pgoff irrespective of COW. This will still not be enough for the case where pfn is zero (vma region mapped to physical address zero). But, for all the other cases, we can look at pfnmap VMAs and say whether the mappng is for the entire vma region or not. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-12-18x86: process.c declare c1e_remove_cpu before they get usedJaswinder Singh
Impact: cleanup, avoid sparse warning Included asm/idle.h for c1e_remove_cpu() declaration. Fixes this sparse warning: CHECK arch/x86/kernel/process.c arch/x86/kernel/process.c:284:6: warning: symbol 'c1e_remove_cpu' was not declared. Should it be static? Signed-off-by: Jaswinder Singh <jaswinder@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: sigframe.h: add guard macroHiroshi Shimamoto
Impact: cleanup Add missing guard macro _ASM_X86_SIGFRAME_H. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: async_xor: dma_map destination DMA_BIDIRECTIONAL dmaengine: protect 'id' from concurrent registrations ioat: wait for self-test completion
2008-12-18Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: favr-32 build fix ATSTK1006: Fix boot from NAND flash avr32: remove .note.gnu.build-id section when making vmlinux.bin avr32: Enable pullup on USART TX lines
2008-12-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: bnx2: Fix bug in bnx2_free_rx_mem(). irda: Add irda_skb_cb qdisc related padding jme: Fixed a typo net: kernel BUG at drivers/net/phy/mdio_bus.c:165! drivers/net: starfire: Fix napi ->poll() weight handling tlan: Fix pci memory unmapping enc28j60: use netif_rx_ni() to deliver RX packets tlan: Fix small (< 64 bytes) datagram transmissions netfilter: ctnetlink: fix missing CTA_NAT_SEQ_UNSPEC
2008-12-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: We need to implement arch_ptrace_stop().
2008-12-18Maintainer email fixes for inotifyJohn McCutchan
Update John McCutchan and Robert Love's email addresses for maintenance of inotify Signed-off-by: John McCutchan <john@johnmccutchan.com> Acked-by: Robert Love <rlove@rlove.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-18x86: revert CONFIG_RELOCATABLE=y defconfig changeVegard Nossum
This commit: commit 5cb04df8d3f03e37a19f2502591a84156be71772 Author: Ingo Molnar <mingo@elte.hu> Date: Sun May 4 19:49:04 2008 +0200 x86: defconfig updates changed CONFIG_RELOCATABLE from n to y, which may lead to a mismatch between the vmlinux debug information and the runtime location of the kernel, even when the bootloader does not relocate the kernel. Revert the specific change. Works for me with GRUB and qemu. Reference: http://lkml.org/lkml/2008/11/25/243 Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18kbuild: add headerdep used to detect inclusion cycles in header filesVegard Nossum
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-12-18ASoC: Add WM8350 AudioPlus codec driverMark Brown
The WM8350 is an integrated audio and power management subsystem which provides a single-chip solution for portable audio and multimedia systems. The integrated audio CODEC provides all the necessary functions for high-quality stereo recording and playback. Programmable on-chip amplifiers allow for the direct connection of headphones and microphones with a minimum of external components. A programmable low-noise bias voltage is available to feed one or more electret microphones. Additional audio features include programmable high-pass filter in the ADC input path. This driver was originally written by Liam Girdwood with further updates from me. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2008-12-18ASoC: Complain if we fail to create DAPM controlsMark Brown
This should never happen and it's helpful to identify the specific control that failed when it does happen. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2008-12-18ASoC: Ease merge difficulties from new architecturesMark Brown
Rather than listing lots of architectures per line in Kconfig and Makefile, causing merge conflicts all the time, have one per line in alphabetical order. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2008-12-18avr32: favr-32 build fixHaavard Skinnemoen
The favr-32 board code still refers to the old asm/arch header files which were moved to mach/ some time ago. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-12-18ATSTK1006: Fix boot from NAND flashHaavard Skinnemoen
Enable JFFS2 write buffer support so that the kernel can access a root filesystem in NAND flash. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-12-18schedstat: consolidate per-task cpu runtime statsKen Chen
Impact: simplify code When we turn on CONFIG_SCHEDSTATS, per-task cpu runtime is accumulated twice. Once in task->se.sum_exec_runtime and once in sched_info.cpu_time. These two stats are exactly the same. Given that task->se.sum_exec_runtime is always accumulated by the core scheduler, sched_info can reuse that data instead of duplicate the accounting. Signed-off-by: Ken Chen <kenchen@google.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18tracing/ring-buffer: remove unused ring_buffer sizeLai Jiangshan
Impact: remove dead code struct ring_buffer.size is not set after ring_buffer is initialized or resized. it is always 0. we can use "buffer->pages * PAGE_SIZE" to get ring_buffer's size Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: tls.c declare sys_set_thread_area and sys_get_thread_area before they ↵Jaswinder Singh
get used Impact: cleanup In asm/syscalls.h move out sys_set_thread_area() and sys_get_thread_area() as they are common for both 32 and 64 bit. Signed-off-by: Jaswinder Singh <jaswinder@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: time_64.c timer_interrupt() should be staticJaswinder Singh
Impact: cleanup, reduce kernel size a bit Signed-off-by: Jaswinder Singh <jaswinder@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18Merge branch 'iommu-fixes-2.6.28' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
2008-12-18x86 gart: don't complain if no AMD GART foundBjorn Helgaas
Impact: remove annoying bootup printk It's perfectly normal for no AMD GART to be present, e.g., if you have Intel CPUs. None of the other iommu_init() functions makes noise when it finds nothing. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18trace: fix task state printoutThomas Gleixner
Impact: fix occasionally incorrect trace output The tracing code has interesting varieties of printing out task state. Unfortunalely only one of the instances is correct as it copies the code from sched.c:sched_show_task(). The others are plain wrong as they treatthe bitfield as an integer offset into the character array. Also the size check of the character array is wrong as it includes the trailing \0. Use a common state decoder inline which does the Right Thing. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18ftrace: add not to regex on filtering functionsSteven Rostedt
Impact: enhancement Ingo Molnar has asked about a way to remove items from the filter lists. Currently, you can only add or replace items. The way items are added to the list is through opening one of the list files (set_ftrace_filter or set_ftrace_notrace) via append. If the file is opened for truncate, the list is cleared. echo spin_lock > /debug/tracing/set_ftrace_filter The above will replace the list with only spin_lock echo spin_lock >> /debug/tracing/set_ftrace_filter The above will add spin_lock to the list. Now this patch adds: echo '!spin_lock' >> /debug/tracing/set_ftrace_filter This will remove spin_lock from the list. The limited glob features of these lists also can be notted. echo '!spin_*' >> /debug/tracing/set_ftrace_filter This will remove all functions that start with 'spin_' Note: echo '!spin_*' > /debug/tracing/set_ftrace_filter will simply clear out the list (notice the '>' instead of '>>') Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18trace: better use of stack_trace_enabled for boot up codeSteven Rostedt
Impact: clean up Andrew Morton suggested to use the stack_tracer_enabled variable to decide whether or not to start stack tracing on bootup. This lets us remove the start_stack_trace variable. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18trace: add a way to enable or disable the stack tracerSteven Rostedt
Impact: enhancement to stack tracer The stack tracer currently is either on when configured in or off when it is not. It can not be disabled when it is configured on. (besides disabling the function tracer that it uses) This patch adds a way to enable or disable the stack tracer at run time. It defaults off on bootup, but a kernel parameter 'stacktrace' has been added to enable it on bootup. A new sysctl has been added "kernel.stack_tracer_enabled" to let the user enable or disable the stack tracer at run time. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18Merge branches 'tracing/ftrace' and 'tracing/hw-branch-tracing' into ↵Ingo Molnar
tracing/core
2008-12-18ALSA: hda - Convert from takslet_hi_schedule() to tasklet_schedule()Takashi Iwai
Replace all tasklet_hi_schedule() callers with the normal tasklet_schedule(). The former often causes troubles with RT-kernels, and has actually no merit. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-18x86: ia32_signal: use sigframe.hHiroshi Shimamoto
Impact: cleanup Use arch/x86/include/asm/sigframe.h instead of defining redundant structures. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: ia32_signal: rename struct sigframe and rt_sigframeHiroshi Shimamoto
Impact: cleanup, prepare to include sigframe.h Rename struct sigframe to struct sigframe_ia32 and struct rt_sigframe to struct rt_sigframe_ia32. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: signal: prepare to include from ia32_signal.cHiroshi Shimamoto
Impact: cleanup, prepare to use from ia32_signal.c Make struct sigframe_ia32 and rt_sigframe_ia32 visible to ia32_signal.c. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: signal: move sigframe.h to arch/x86/include/asmHiroshi Shimamoto
Impact: cleanup, move header file Move arch/x86/kernel/sigframe.h to arch/x86/include/asm/sigframe.h. It will be used in arch/x86/ia32/ia32_signal.c. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: signal: rename sigframe and rt_sigframe on 32-bitHiroshi Shimamoto
Impact: cleanup, prepare to move sigframe.h On 32-bit, rename struct sigrame to struct sigframe_ia32, struct rt_sigframe to struct rt_sigframe_ia32 and several structures. And add helper macros to access the above data in arch/x86/kernel/signal.c. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18x86: signal: move ia32 func declarations into arch/x86/kernel/signal.cHiroshi Shimamoto
Impact: cleanup Move declarations of ia32_setup_rt_frame() and ia32_setup_frame() into arch/x86/kernel/signal.c. This is for future use of sigframe.h. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18ALSA: hda - Remove duplicated strings from codec nameTakashi Iwai
Remove codec vendor names from the codec name strings. The vendor name is already given from the vendor name table, so displayed doubly. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-18ALSA: hda - Add Intel vendor id stringTakashi Iwai
Added Intel codec vendor id string (0x8086). Also fixed Intel-HDMI codec name strings, too. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-18ALSA: hda - Fix silent HP output on D975Takashi Iwai
Some desktops seems to have no HP/mic jack detection on the front panel, which results in the silent output in the recent driver, because the driver mutes the output (to save power) when no plug is detected. This patch adds a new model that disables the jack-detection. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-17Revert "net: release skb->dst in sock_queue_rcv_skb()"David S. Miller
This reverts commit 70355602879229c6f8bd694ec9c0814222bc4936. As pointed out by Mark McLoughlin IP_PKTINFO cmsg data is one post-queueing user, so this optimization is not valid right now. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: use port_params in __update_lacpdu_from_portHolger Eitzenberger
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: use port_params in __update_default_selected()Holger Eitzenberger
I also removed some of the unneeded braces in the if condition to improve readability and a little bit of reformatting. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: use port_params in __update_selected()Holger Eitzenberger
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: remove various function declarationsHolger Eitzenberger
They are all defined before used, it's therefore ok to remove them. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: init port_params from templateHolger Eitzenberger
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: use plain memcpy in __record_default()Holger Eitzenberger
Also remove the pointless comment at the top. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: use port_params in __record_pdu()Holger Eitzenberger
It helps in maintaining the various partner information values from the LACPDU. It also removes the pointless comment at the top. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: introduce and use port_params structureHolger Eitzenberger
It generally helps to handle those values in various places, using it might make the code more readable and gives room for other improvements. The IEEE standard talks about them as "parameter values". Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bonding: improve elaborate port_state assignmentHolger Eitzenberger
The previous code was just a funny way of assigning both values (they are both of type u8). Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17bnx2: Fix bug in bnx2_free_rx_mem().Michael Chan
DMA memory for the jumbo rx page rings was freed incorrectly using the wrong local variable as the array index. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17gianfar: Continue polling until both tx and rx are emptyAndy Fleming
gfar_poll would declare polling done once the rx queue was empty, but the tx queue could still have packets left. Stolen mostly from the e1000 driver. Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17gianfar: Merge Tx and Rx interrupt for scheduling clean up ringDai Haruki
No clean up function is executed in the interrupt context by this patch. Signed-off-by: Dai Haruki <dai.haruki@freescale.com> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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