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2011-05-16x86, AMD, cacheinfo: Fix fallout caused by max3 conversionBorislav Petkov
732eacc0542d0aa48797f675888b85d6065af837 converted code around the kernel using nested max() macros to use the new max3 macro but forgot to remove the old line in intel_cacheinfo.c. Fix it. Cc: Hagen Paul Pfeifer <hagen@jauu.net> Cc: Frank Arnold <farnold@amd64.org> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Link: http://lkml.kernel.org/r/1305553188-21061-2-git-send-email-bp@amd64.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-04-18x86, cpu: Change NOP selection for certain Intel CPUsH. Peter Anvin
Due to a decoder implementation quirk, some specific Intel CPUs actually perform better with the "k8_nops" than with the SDM-recommended NOPs. For runtime-selected NOPs, if we detect those specific CPUs then use the k8_nops instead of the ones we would normally use. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Tejun Heo <tj@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jason Baron <jbaron@redhat.com> Link: http://lkml.kernel.org/r/1303166160-10315-4-git-send-email-hpa@linux.intel.com
2011-04-18x86, cpu: Clean up and unify the NOP selection infrastructureH. Peter Anvin
Clean up and unify the NOP selection infrastructure: - Make the atomic 5-byte NOP a part of the selection system. - Pick NOPs once during early boot and then be done with it. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Tejun Heo <tj@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jason Baron <jbaron@redhat.com> Link: http://lkml.kernel.org/r/1303166160-10315-3-git-send-email-hpa@linux.intel.com
2011-04-18x86, percpu: Use ASM_NOP4 instead of hardcoding P6_NOP4H. Peter Anvin
For use in assembly constants, use the ASM_NOP* defines. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1303166160-10315-2-git-send-email-hpa@linux.intel.com
2011-04-08x86, cpu: Move AMD Elan Kconfig under "Processor family"Ian Campbell
Currently the option resides under X86_EXTENDED_PLATFORM due to historical nonstandard A20M# handling. However that is no longer the case and so Elan can be treated as part of the standard processor choice Kconfig option. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Link: http://lkml.kernel.org/r/1302245177.31620.47.camel@localhost.localdomain Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-04-04Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, UV: Fix kdump reboot x86, amd-nb: Rename CPU PCI id define for F4 sound: Add delay.h to sound/soc/codecs/sn95031.c x86, mtrr, pat: Fix one cpu getting out of sync during resume x86, microcode: Unregister syscore_ops after microcode unloaded x86: Stop including <linux/delay.h> in two asm header files
2011-04-04Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Fix task_struct reference leak perf: Fix task context scheduling perf: mmap 512 kiB by default perf: Rebase max unprivileged mlock threshold on top of page size perf tools: Fix NO_NEWT=1 python build error perf symbols: Properly align symbol_conf.priv_size perf tools: Emit clearer message for sys_perf_event_open ENOENT return perf tools: Fixup exit path when not able to open events perf symbols: Fix vsyscall symbol lookup oprofile, x86: Allow setting EDGE/INV/CMASK for counter events
2011-04-04Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: create new rcu_access_index() and use in mce WARN_ON_SMP(): Add comment to explain ({0;})
2011-04-01rcu: create new rcu_access_index() and use in mcePaul E. McKenney
The MCE subsystem needs to sample an RCU-protected index outside of any protection for that index. If this was a pointer, we would use rcu_access_pointer(), but there is no corresponding rcu_access_index(). This commit therefore creates an rcu_access_index() and applies it to MCE. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: Zdenek Kabelac <zkabelac@redhat.com>
2011-03-31x86, UV: Fix kdump rebootCliff Wickman
After a crash dump on an SGI Altix UV system the crash kernel fails to cause a reboot. EFI mode is disabled in the kdump kernel, so only the reboot_type of BOOT_ACPI works. Signed-off-by: Cliff Wickman <cpw@sgi.com> Cc: rja@sgi.com LKML-Reference: <E1Q5Iuo-00013b-UK@eag09.americas.sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-31x86, amd-nb: Rename CPU PCI id define for F4Borislav Petkov
With increasing number of PCI function ids, add the PCI function id in the define name instead of its symbolic name in the BKDG for more clarity. This renames function 4 define. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> LKML-Reference: <20110330183447.GA3668@aftab> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-30Merge commit 'v2.6.39-rc1' into perf/urgentIngo Molnar
Merge reason: use the post-merge-window tree. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-29x86, mtrr, pat: Fix one cpu getting out of sync during resumeSuresh Siddha
On laptops with core i5/i7, there were reports that after resume graphics workloads were performing poorly on a specific AP, while the other cpu's were ok. This was observed on a 32bit kernel specifically. Debug showed that the PAT init was not happening on that AP during resume and hence it contributing to the poor workload performance on that cpu. On this system, resume flow looked like this: 1. BP starts the resume sequence and we reinit BP's MTRR's/PAT early on using mtrr_bp_restore() 2. Resume sequence brings all AP's online 3. Resume sequence now kicks off the MTRR reinit on all the AP's. 4. For some reason, between point 2 and 3, we moved from BP to one of the AP's. My guess is that printk() during resume sequence is contributing to this. We don't see similar behavior with the 64bit kernel but there is no guarantee that at this point the remaining resume sequence (after AP's bringup) has to happen on BP. 5. set_mtrr() was assuming that we are still on BP and skipped the MTRR/PAT init on that cpu (because of 1 above) 6. But we were on an AP and this led to not reprogramming PAT on this cpu leading to bad performance. Fix this by doing unconditional mtrr_if->set_all() in set_mtrr() during MTRR/PAT init. This might be unnecessary if we are still running on BP. But it is of no harm and will guarantee that after resume, all the cpu's will be in sync with respect to the MTRR/PAT registers. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <1301438292-28370-1-git-send-email-eric@anholt.net> Signed-off-by: Eric Anholt <eric@anholt.net> Tested-by: Keith Packard <keithp@keithp.com> Cc: stable@kernel.org [v2.6.32+] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-03-30x86: apb_timer: Fixup genirq falloutThomas Gleixner
The lonely user of the internal interface was not in the coccinelle script. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29Merge branch 'stable/bug-fixes-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/bug-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: Use new irq_move functions xen: Convert genirq namespace xen: fix p2m section mismatches xen/p2m: Allocate p2m tracking pages on override xen-gntdev: unlock on error path in gntdev_mmap() xen-gntdev: return -EFAULT on copy_to_user failure
2011-03-29xen: fix p2m section mismatchesRandy Dunlap
Fix section mismatch warnings: set_phys_range_identity() is called by __init xen_set_identity(), so also mark set_phys_range_identity() as __init. then: __early_alloc_p2m() is called set_phys_range_identity(), so also mark __early_alloc_p2m() as __init. WARNING: arch/x86/built-in.o(.text+0x7856): Section mismatch in reference from the function __early_alloc_p2m() to the function .init.text:extend_brk() The function __early_alloc_p2m() references the function __init extend_brk(). This is often because __early_alloc_p2m lacks a __init annotation or the annotation of extend_brk is wrong. WARNING: arch/x86/built-in.o(.text+0x7967): Section mismatch in reference from the function set_phys_range_identity() to the function .init.text:extend_brk() The function set_phys_range_identity() references the function __init extend_brk(). This is often because set_phys_range_identity lacks a __init annotation or the annotation of extend_brk is wrong. [v2: Per Stephen Hemming recommonedation made __early_alloc_p2m static] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-03-29x86, microcode: Unregister syscore_ops after microcode unloadedXiaotian Feng
Currently, microcode doesn't unregister syscore_ops after it's unloaded. So if we modprobe then rmmod microcode, the stale microcode syscore_ops info will stay on syscore_ops_list. Later when we're trying to reboot/halt/shutdown the machine, kernel will panic on syscore_shutdown(). With the patch applied, I can reboot/halt/shutdown my machine successfully. Signed-off-by: Xiaotian Feng <dfeng@redhat.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Cc: Rafael J. Wysocki <rjw@sisk.pl> LKML-Reference: <1301387672-23661-1-git-send-email-dfeng@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-29x86: Stop including <linux/delay.h> in two asm header filesJean Delvare
Stop including <linux/delay.h> in x86 header files which don't need it. This will let the compiler complain when this header is not included by source files when it should, so that contributors can fix the problem before building on other architectures starts to fail. Credits go to Geert for the idea. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: James E.J. Bottomley <James.Bottomley@suse.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> LKML-Reference: <20110325152014.297890ec@endymion.delvare> [ this also fixes an upstream build bug in drivers/media/rc/ite-cir.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-29Merge branch 'core' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent
2011-03-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - fixed problem with packets that are not multiple of 64bytes
2011-03-27Merge 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: Clean up max8997 IRQ namespace mfd: Fold irq_set_chip/irq_set_handler mfd: Cleanup irq namespace mfd: twl6030: Cleanup interrupt handling mfd: twl4030: Cleanup interrupt handling mfd: mx8925: Remove irq_desc leftovers mfd: htc-i2cpld: Cleanup interrupt handling mfd: htc-egpio: Cleanup interrupt handling mfd: ezx-pcap: Remvove open coded irq handling mfd: 88pm860x: Remove unused irq_desc leftovers mfd: asic3: Cleanup irq handling mfd: Select MFD_CORE if TPS6105X driver is configured mfd: Add MODULE_DEVICE_TABLE to rdc321x-southbridge mfd: Add MAX8997/8966 IRQ control mfd: Constify i2c_device_id tables mfd: OLPC: Clean up names to match what OLPC actually uses mfd: Add mfd_clone_cell(), convert cs5535-mfd/olpc-xo1 to it
2011-03-27percpu: Omit segment prefix in the UP case for cmpxchg_doubleChristoph Lameter
Omit the segment prefix in the UP case. GS is not used then and we will generate segfaults if cmpxchg16b is used otherwise. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-27crypto: aesni-intel - fixed problem with packets that are not multiple of ↵Tadeusz Struk
64bytes This patch fixes problem with packets that are not multiple of 64bytes. Signed-off-by: Adrian Hoban <adrian.hoban@intel.com> Signed-off-by: Aidan O'Mahony <aidan.o.mahony@intel.com> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-03-27mfd: OLPC: Clean up names to match what OLPC actually usesDaniel Drake
The cs5535-pms cell doesn't actually need to be cloned, so we can drop that and simply have the olpc-xo1.c driver use "cs5535-pms" directly. Also, rename the cs5535-acpi clones to what we actually use for the (currently out-of-tree) SCI driver. In the process, that fixes a subtle bug in olpc-xo1.c which broke powerdown on XO-1s.. olpc-xo1-ac-acpi was a typo, not something that actually existed. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-03-27mfd: Add mfd_clone_cell(), convert cs5535-mfd/olpc-xo1 to itAndres Salomon
Replace mfd_shared_platform_driver_register with mfd_clone_cell. The former was called by an mfd client, and registered both a platform driver and device. The latter is called by an mfd driver, and registers only a platform device. The downside of this is that mfd drivers need to be modified whenever new clients are added that share a cell; the upside is that it fits Linux's driver model better. It's also simpler. This also converts cs5535-mfd/olpc-xo1 from the old API. cs5535-mfd now creates the olpc-xo1-{acpi,pms} devices, while olpc-xo1 binds to them via platform drivers. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-03-25Merge branch 'syscore' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: Introduce ARCH_NO_SYSDEV_OPS config option (v2) cpufreq: Use syscore_ops for boot CPU suspend/resume (v2) KVM: Use syscore_ops instead of sysdev class and sysdev PCI / Intel IOMMU: Use syscore_ops instead of sysdev class and sysdev timekeeping: Use syscore_ops instead of sysdev class and sysdev x86: Use syscore_ops instead of sysdev classes and sysdevs
2011-03-25Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kdb: add usage string of 'per_cpu' command kgdb,x86_64: fix compile warning found with sparse kdb: code cleanup to use macro instead of value kgdboc,kgdbts: strlen() doesn't count the terminator
2011-03-25Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf, x86: Complain louder about BIOSen corrupting CPU/PMU state and continue perf, x86: P4 PMU - Read proper MSR register to catch unflagged overflows perf symbols: Look at .dynsym again if .symtab not found perf build-id: Add quirk to deal with perf.data file format breakage perf session: Pass evsel in event_ops->sample() perf: Better fit max unprivileged mlock pages for tools needs perf_events: Fix stale ->cgrp pointer in update_cgrp_time_from_cpuctx() perf top: Fix uninitialized 'counter' variable tracing: Fix set_ftrace_filter probe function display perf, x86: Fix Intel fixed counters base initialization
2011-03-25Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: futex: Fix WARN_ON() test for UP WARN_ON_SMP(): Allow use in if() statements on UP x86, dumpstack: Use %pB format specifier for stack trace vsprintf: Introduce %pB format specifier lockdep: Remove unused 'factor' variable from lockdep_stats_show()
2011-03-25Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: DT: Cleanup namespace and call irq_set_irq_type() unconditional x86: DT: Fix return condition in irq_create_of_mapping() x86, mpparse: Move check_slot into CONFIG_X86_IO_APIC context
2011-03-25kgdb,x86_64: fix compile warning found with sparseJason Wessel
Fix sparse warning: arch/x86/kernel/kgdb.c:123:9: warning: switch with no cases Reported-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2011-03-25perf, x86: Complain louder about BIOSen corrupting CPU/PMU state and continueIngo Molnar
Eric Dumazet reported that hardware PMU events do not work on his system, due to the BIOS corrupting PMU state: Performance Events: PEBS fmt0+, Core2 events, Broken BIOS detected, using software events only. [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 186 is 43003c) Linus suggested that we continue in the face of such BIOS-induced CPU state corruption: http://lkml.org/lkml/2011/3/24/608 Such BIOSes will have to be fixed - Linux developers rely on a working and fully capable PMU and the BIOS interfering with the CPU's PMU state is simply not acceptable. So this patch changes perf to continue when it detects such BIOS interaction, some hardware events may be unreliable due to the BIOS writing and re-writing them - there's not much the kernel can do about that but to detect the corruption and report it. Reported-and-tested-by: Eric Dumazet <eric.dumazet@gmail.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-24x86: DT: Cleanup namespace and call irq_set_irq_type() unconditionalThomas Gleixner
That call escaped the name space cleanup. Fix it up. We really want to call there. The chip might have changed since the irq was setup initially. So let the core code and the chip decide what to do. The status is just an unreliable snapshot. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-03-24x86: DT: Fix return condition in irq_create_of_mapping()Thomas Gleixner
The xlate() function returns 0 or a negative error code. Returning the error code blindly will be seen as an huge irq number by the calling function because irq_create_of_mapping() returns an unsigned value. Return 0 (NO_IRQ) as required. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-03-24perf, x86: P4 PMU - Read proper MSR register to catch unflagged overflowsDon Zickus
The read of a proper MSR register was missed and instead of counter the configration register was tested (it has ARCH_P4_UNFLAGGED_BIT always cleared) leading to unknown NMI hitting the system. As result the user may obtain "Dazed and confused, but trying to continue" message. Fix it by reading a proper MSR register. When an NMI happens on a P4, the perf nmi handler checks the configuration register to see if the overflow bit is set or not before taking appropriate action. Unfortunately, various P4 machines had a broken overflow bit, so a backup mechanism was implemented. This mechanism checked to see if the counter rolled over or not. A previous commit that implemented this backup mechanism was broken. Instead of reading the counter register, it used the configuration register to determine if the counter rolled over or not. Reading that bit would give incorrect results. This would lead to 'Dazed and confused' messages for the end user when using the perf tool (or if the nmi watchdog is running). The fix is to read the counter register before determining if the counter rolled over or not. Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Lin Ming <ming.m.lin@intel.com> LKML-Reference: <4D8BAB49.3080701@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-24oprofile, x86: Allow setting EDGE/INV/CMASK for counter eventsAndi Kleen
For some performance events it's useful to set the EDGE and INV bits and the CMASK mask in the counter control register. The list of predefined events Intel releases for each CPU has some events which require these settings to get more "natural" to use higher level events. oprofile currently doesn't allow this. This patch adds new extra configuration fields for them, so that they can be specified in oprofilefs. An updated oprofile daemon can then make use of this to set them. v2: Write back masked extra value to variable. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Robert Richter <robert.richter@amd.com>
2011-03-24Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (42 commits) ACPI: minor printk format change in acpi_pad ACPI: make acpi_pad /sys output more readable ACPICA: Update version to 20110316 ACPICA: Header support for SLIC table ACPI: Make sure the FADT is at least rev 2 before using the reset register ACPI: Bug compatibility for Windows on the ACPI reboot vector ACPICA: Fix access width for reset vector ACPI battery: fribble sysfs files from a resume notifier ACPI button: remove unused procfs I/F ACPI, APEI, Add PCIe AER error information printing support PCIe, AER, use pre-generated prefix in error information printing ACPI, APEI, Add ERST record ID cache ACPI: Use syscore_ops instead of sysdev class and sysdev ACPI: Remove the unused EC sysdev class ACPI: use __cpuinit for the acpi_processor_set_pdc() call tree ACPI: use __init where possible in processor driver Thermal_Framework-Fix_crash_during_hwmon_unregister ACPICA: Update version to 20110211. ACPICA: Add mechanism to defer _REG methods for some installed handlers ACPICA: Add support for FunctionalFixedHW in acpi_ut_get_region_name ...
2011-03-24Merge 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: (90 commits) mfd: Push byte swaps out of wm8994 bulk read path mfd: Rename ab8500 gpadc header mfd: Constify WM8994 write path mfd: Push byte swap out of WM8994 bulk I/O mfd: Avoid copying data in WM8994 I2C write mfd: Remove copy from WM831x I2C write function mfd: Staticise WM8994 PM ops regulator: Add a subdriver for TI TPS6105x regulator portions v2 mfd: Add a core driver for TI TPS61050/TPS61052 chips v2 gpio: Add Tunnel Creek support to sch_gpio mfd: Add Tunnel Creek support to lpc_sch pci_ids: Add Intel Tunnel Creek LPC Bridge device ID. regulator: MAX8997/8966 support mfd: Add WM8994 bulk register write operation mfd: Append additional read write on 88pm860x mfd: Adopt mfd_data in 88pm860x input driver mfd: Adopt mfd_data in 88pm860x regulator mfd: Adopt mfd_data in 88pm860x led mfd: Adopt mfd_data in 88pm860x backlight mfd: Fix MAX8997 Kconfig entry typos ...
2011-03-24xen/p2m: Allocate p2m tracking pages on overrideDaniel De Graaf
It is possible to add a p2m override on pages that are currently mapped to INVALID_P2M_ENTRY; in particular, this will happen when using ballooned pages in gntdev. This means that set_phys_to_machine must be used instead of __set_phys_to_machine. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-03-24x86, dumpstack: Use %pB format specifier for stack traceNamhyung Kim
Improve noreturn function entries in call traces: Before: Call Trace: [<ffffffff812a8502>] panic+0x8c/0x18d [<ffffffffa000012a>] deep01+0x0/0x38 [test_panic] <--- bad [<ffffffff81104666>] proc_file_write+0x73/0x8d [<ffffffff811000b3>] proc_reg_write+0x8d/0xac [<ffffffff810c7d32>] vfs_write+0xa1/0xc5 [<ffffffff810c7e0f>] sys_write+0x45/0x6c [<ffffffff8f02943b>] system_call_fastpath+0x16/0x1b After: Call Trace: [<ffffffff812bce69>] panic+0x8c/0x18d [<ffffffffa000012a>] panic_write+0x20/0x20 [test_panic] <--- good [<ffffffff81115fab>] proc_file_write+0x73/0x8d [<ffffffff81111a5f>] proc_reg_write+0x8d/0xac [<ffffffff810d90ee>] vfs_write+0xa1/0xc5 [<ffffffff810d91cb>] sys_write+0x45/0x6c [<ffffffff812c07fb>] system_call_fastpath+0x16/0x1b Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <1300934550-21394-2-git-send-email-namhyung@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-23Merge 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: deal with races in /proc/*/{syscall,stack,personality} proc: enable writing to /proc/pid/mem proc: make check_mem_permission() return an mm_struct on success proc: hold cred_guard_mutex in check_mem_permission() proc: disable mem_write after exec mm: implement access_remote_vm mm: factor out main logic of access_process_vm mm: use mm_struct to resolve gate vma's in __get_user_pages mm: arch: rename in_gate_area_no_task to in_gate_area_no_mm mm: arch: make in_gate_area take an mm_struct instead of a task_struct mm: arch: make get_gate_vma take an mm_struct instead of a task_struct x86: mark associated mm when running a task in 32 bit compatibility mode x86: add context tag to mark mm when running a task in 32-bit compatibility mode auxv: require the target to be tracable (or yourself) close race in /proc/*/environ report errors in /proc/*/*map* sanely pagemap: close races with suid execve make sessionid permissions in /proc/*/task/* match those in /proc/* fix leaks in path_lookupat() Fix up trivial conflicts in fs/proc/base.c
2011-03-23crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, ↵Olaf Hering
setup_elfcorehdr and saved_max_pfn The Xen PV drivers in a crashed HVM guest can not connect to the dom0 backend drivers because both frontend and backend drivers are still in connected state. To run the connection reset function only in case of a crashdump, the is_kdump_kernel() function needs to be available for the PV driver modules. Consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn into kernel/crash_dump.c Also export elfcorehdr_addr to make is_kdump_kernel() usable for modules. Leave 'elfcorehdr' as early_param(). This changes powerpc from __setup() to early_param(). It adds an address range check from x86 also on ia64 and powerpc. [akpm@linux-foundation.org: additional #includes] [akpm@linux-foundation.org: remove elfcorehdr_addr export] [akpm@linux-foundation.org: fix for Tejun's mm/nobootmem.c changes] Signed-off-by: Olaf Hering <olaf@aepfle.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23remove dma64_addr_tFUJITA Tomonori
There is no user now. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: David Miller <davem@davemloft.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23rapidio: modify configuration to support PCI-SRIO controllerAlexandre Bounine
1. Add an option to include RapidIO support if the PCI is available. 2. Add FSL_RIO configuration option to enable controller selection. 3. Add RapidIO support option into x86 and MIPS architectures. Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Acked-by: Kumar Gala <galak@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Thomas Moll <thomas.moll@sysgo.com> Cc: Micha Nelissen <micha@neli.hopto.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23bitops: remove minix bitops from asm/bitops.hAkinobu Mita
minix bit operations are only used by minix filesystem and useless by other modules. Because byte order of inode and block bitmaps is different on each architecture like below: m68k: big-endian 16bit indexed bitmaps h8300, microblaze, s390, sparc, m68knommu: big-endian 32 or 64bit indexed bitmaps m32r, mips, sh, xtensa: big-endian 32 or 64bit indexed bitmaps for big-endian mode little-endian bitmaps for little-endian mode Others: little-endian bitmaps In order to move minix bit operations from asm/bitops.h to architecture independent code in minix filesystem, this provides two config options. CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED is only selected by m68k. CONFIG_MINIX_FS_NATIVE_ENDIAN is selected by the architectures which use native byte order bitmaps (h8300, microblaze, s390, sparc, m68knommu, m32r, mips, sh, xtensa). The architectures which always use little-endian bitmaps do not select these options. Finally, we can remove minix bit operations from asm/bitops.h for all architectures. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Ungerer <gerg@uclinux.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Andreas Schwab <schwab@linux-m68k.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Michal Simek <monstr@monstr.eu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Hirokazu Takata <takata@linux-m32r.org> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23bitops: remove ext2 non-atomic bitops from asm/bitops.hAkinobu Mita
As the result of conversions, there are no users of ext2 non-atomic bit operations except for ext2 filesystem itself. Now we can put them into architecture independent code in ext2 filesystem, and remove from asm/bitops.h for all architectures. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23bitops: introduce little-endian bitops for most architecturesAkinobu Mita
Introduce little-endian bit operations to the big-endian architectures which do not have native little-endian bit operations and the little-endian architectures. (alpha, avr32, blackfin, cris, frv, h8300, ia64, m32r, mips, mn10300, parisc, sh, sparc, tile, x86, xtensa) These architectures can just include generic implementation (asm-generic/bitops/le.h). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Matthew Wilcox <willy@debian.org> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Zankel <chris@zankel.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23Introduce ARCH_NO_SYSDEV_OPS config option (v2)Rafael J. Wysocki
Introduce Kconfig option allowing architectures where sysdev operations used during system suspend, resume and shutdown have been completely replaced with struct sycore_ops operations to avoid building sysdev code that will never be used. Make callbacks in struct sys_device and struct sysdev_driver depend on ARCH_NO_SYSDEV_OPS to allows us to verify if all of the references have been actually removed from the code the given architecture depends on. Make x86 select ARCH_NO_SYSDEV_OPS. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-03-23x86: Use syscore_ops instead of sysdev classes and sysdevsRafael J. Wysocki
Some subsystems in the x86 tree need to carry out suspend/resume and shutdown operations with one CPU on-line and interrupts disabled and they define sysdev classes and sysdevs or sysdev drivers for this purpose. This leads to unnecessarily complicated code and excessive memory usage, so switch them to using struct syscore_ops objects for this purpose instead. Generally, there are three categories of subsystems that use sysdevs for implementing PM operations: (1) subsystems whose suspend/resume callbacks ignore their arguments entirely (the majority), (2) subsystems whose suspend/resume callbacks use their struct sys_device argument, but don't really need to do that, because they can be implemented differently in an arguably simpler way (io_apic.c), and (3) subsystems whose suspend/resume callbacks use their struct sys_device argument, but the value of that argument is always the same and could be ignored (microcode_core.c). In all of these cases the subsystems in question may be readily converted to using struct syscore_ops objects for power management and shutdown. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ingo Molnar <mingo@elte.hu>
2011-03-23mm: arch: rename in_gate_area_no_task to in_gate_area_no_mmStephen Wilson
Now that gate vma's are referenced with respect to a particular mm and not a particular task it only makes sense to propagate the change to this predicate as well. Signed-off-by: Stephen Wilson <wilsons@start.ca> Reviewed-by: Michel Lespinasse <walken@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>