- 21 Aug, 2012 1 commit
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Geert Uytterhoeven authored
On s390x-linux-gcc, __SIZE_TYPE__ expands to "long unsigned int" for both 32-bit s390 and 64-bit s390x, as gcc-4.6.3-nolibc/s390x-linux/lib/gcc/s390x-linux/4.6.3/plugin/include/config/s390/linux.h has #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int") To match this, __kernel_size_t is always set to "long unsigned int". But while __kernel_ssize_t is "long" on 64-bit s390x, it is "int" on 32-bit s390, causing compiler warnings like: fs/quota/quota_tree.c:372:4: warning: format '%zd' expects argument of type 'signed size_t', but argument 4 has type 'ssize_t' [-Wformat] To fix this, __kernel_ssize_t should be "long", irrespective of word size. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 20 Aug, 2012 19 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull PCI fixes from Bjorn Helgaas: "Here are two patches from Rafael Wysocki. One fixes an EHCI-related hibernation crash on ASUS boxes. We fixed a similar suspend issue in v3.6-rc1, and this applies the same fix to the hibernate path. The other fixes D3/D3cold/D4 messages related to the D3cold support we merged in v3.6-rc1." (Removed redundant top non-fast-forward merge commit from pulled branch) * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: EHCI: Fix crash during hibernation on ASUS computers PCI / PM: Fix D3/D3cold/D4 messages printed by acpi_pci_set_power_state()
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linuxLinus Torvalds authored
Pull config cleanup for ia64 from Tony Luck: "Clean out references to dead CONFIG_MISC_DEVICES option" * tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: [IA64] defconfig: Remove CONFIG_MISC_DEVICES
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull more USB patches from Greg Kroah-Hartman: "Here are 10 more USB patches for 3.6-rc3. They all fix reported problems (build problems for one of them, and easily repeatable oopses for the others.) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: gpu/mfd/usb: Fix USB randconfig problems USB: CDC ACM: Fix NULL pointer dereference USB: emi62: remove __devinit* from the struct usb_device_id table USB: winbond: remove __devinit* from the struct usb_device_id table USB: vt6656: remove __devinit* from the struct usb_device_id table USB: rtl8187: remove __devinit* from the struct usb_device_id table USB: p54usb: remove __devinit* from the struct usb_device_id table USB: spca506: remove __devinit* from the struct usb_device_id table USB: jl2005bcd: remove __devinit* from the struct usb_device_id table USB: smsusb: remove __devinit* from the struct usb_device_id table
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-coreLinus Torvalds authored
Pull one more driver core fix from Greg Kroah-Hartman: "Here is one fix for the dmesg line corruption problem that the previous set of patches caused. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'driver-core-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: dyndbg: fix for SOH in logging messages
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git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds authored
Pull x86 platform driver update from Matthew Garrett: "Some small updates for a few drivers, and some hardware enablement for new Ideapads and the gmux hardware in the latest Macs. This code won't run on older devices and has been well tested on new ones, so low risk of regressions." * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: ideapad: add Lenovo IdeaPad Z570 support (part 3) ideapad: add Lenovo IdeaPad Z570 support (part 2) ideapad: add Lenovo IdeaPad Z570 support (part 1) classmate-laptop: always call input_sync() after input_report_switch() thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR dell-laptop: Fixed typo in touchpad LED quirk vga_switcheroo: Don't require handler init callback vga_switcheroo: Remove assumptions about registration/unregistration ordering apple-gmux: Add display mux support apple-gmux: Fix kconfig dependencies asus-wmi: record wlan status while controlled by userapp apple_gmux: Fix ACPI video unregister apple_gmux: Add support for newer hardware gmux: Add generic write32 function
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull a hwmon fix from Guenter Roeck: "One patch with section conflict fixes." * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: sections: Fix section conflicts in drivers/hwmon
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/miscLinus Torvalds authored
Pull spi fixes from Mark Brown: "Grant is still away so another pull request with some fairly minor fixes, the most notable of which are several fixes for some common error patterns with the reference counting spi_master_get/put do." * tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc: spi/coldfire-qspi: Drop extra calls to spi_master_get in suspend/resume functions spi: spi-coldfire-qspi: Drop extra spi_master_put in device remove function spi/pl022: fix spi-pl022 pm enable at probe spi/bcm63xx: Ensure that memory is freed only after it is no longer used spi: omap2-mcspi: Fix the error handling in probe spi/s3c64xx: Add missing static storage class specifiers
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Fabio Estevam authored
commit 7c5763b8 (drivers:misc: Remove MISC_DEVICES config option) removed CONFIG_MISC_DEVICES option, so remove the occurrences from the config files as well. Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by:
Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulatorLinus Torvalds authored
Pull regulator fixes from Mark Brown: "A bunch of fixes which are a combination of minor fixes that have been shaken down due to greater testing exposure, the biggest block of which are for the Palmas driver which hadn't had all the changes required for mainline properly tested when it was merged." * tag 'regulator-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: twl-regulator: fix up VINTANA1/VINTANA2 regulator: core: request only valid gpio pins for regulator enable regulator: twl: Remove references to the twl4030 regulator regulator: gpio-regulator: Split setting of voltages and currents regulator: ab3100: add missing voltage table regulator: anatop: Fix wrong mask used in anatop_get_voltage_sel regulator: tps6586x: correct vin pin for sm0/sm1/sm2 regulator: palmas: Fix palmas_probe error handling regulator: palmas: Call palmas_ldo_[read|write] in palmas_ldo_init regulator: palmas: Fix regmap offsets for PALMAS_REG_SMPS10 vsel_reg regulator: palmas: Fix calculating selector in palmas_map_voltage_ldo
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull IOMMU fixes from Joerg Roedel: "Two fixes are necessary. One patch fixes a boot crash on MacBook Air with interrupt remapping enabled and the other patch fixes a regression (which causes a boot crash on AMD IOMMUv2 systems too) in the init code of the AMD IOMMU driver." * tag 'iommu-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix wrong check for ARRAY_SIZE() irq_remap: disable IRQ remapping if any IOAPIC lacks an IOMMU
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Guenter Roeck authored
Fix config warning: warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies (USB_SUPPORT && USB_ARCH_HAS_HCD) and build error: ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined! by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C drivers/i2c/Kconfig:5: symbol I2C is selected by FB_DDC drivers/video/Kconfig:86: symbol FB_DDC is selected by FB_CYBER2000_DDC drivers/video/Kconfig:385: symbol FB_CYBER2000_DDC depends on FB_CYBER2000 drivers/video/Kconfig:373: symbol FB_CYBER2000 depends on FB which is due to drivers/usb/Kconfig: config USB_ARCH_HAS_OHCI ... default y if ARCH_PNX4008 && I2C Fix by dropping I2C from the above dependency; logic is that this is not a platform dependency but a configuration dependency: the _architecture_ still supports USB even is I2C is not selected. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB drivers/mfd/Kconfig:396: symbol MFD_TC6393XB depends on GPIOLIB drivers/gpio/Kconfig:35: symbol GPIOLIB is selected by FB_VIA drivers/video/Kconfig:1560: symbol FB_VIA depends on FB which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on it. Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Ingo Molnar. A x32 socket ABI fix with a -stable backport tag among other fixes. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x32: Use compat shims for {g,s}etsockopt Revert "x86-64/efi: Use EFI to deal with platform wall clock" x86, apic: fix broken legacy interrupts in the logical apic mode x86, build: Globally set -fno-pic x86, avx: don't use avx instructions with "noxsave" boot param
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Ingo Molnar. * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix migration thread runtime bogosity sched,rt: fix isolated CPUs leaving root_task_group indefinitely throttled sched,cgroup: Fix up task_groups list sched: fix divide by zero at {thread_group,task}_times sched, cgroup: Reduce rq->lock hold times for large cgroup hierarchies
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 perf fixes from Ingo Molnar. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: disable PEBS on a guest entry. perf/x86: Add Intel Westmere-EX uncore support perf/x86: Fixes for Nehalem-EX uncore driver perf, x86: Fix uncore_types_exit section mismatch
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull a mutex fix from Ingo Molnar. Fix the fastpath_lock failure contention flag for xchg-based mutexes. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: mutex: Place lock in contended state after fastpath_lock failure
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Al Viro authored
compat_sys_{read,write}v() need the same "pass a copy of file->f_pos" thing as sys_{read,write}{,v}(). Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Maxim Mikityanskiy authored
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special keys working, adds possibility to control fan like Windows does, controls Touchpad Disabled LED, toggles touchpad state via keyboard controller and corrects touchpad behavior on resume from suspend. It is new, modified version of patch. Now it does not depend on psmouse and does not need patching of input subsystem. Signed-off-by:
Maxim Mikityanskiy <maxtram95@gmail.com> This is the part 3 for fan control Signed-off-by:
Ike Panhc <ike.pan@canonical.com> Signed-off-by:
Matthew Garrett <mjg@redhat.com>
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Maxim Mikityanskiy authored
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special keys working, adds possibility to control fan like Windows does, controls Touchpad Disabled LED, toggles touchpad state via keyboard controller and corrects touchpad behavior on resume from suspend. It is new, modified version of patch. Now it does not depend on psmouse and does not need patching of input subsystem. Signed-off-by:
Maxim Mikityanskiy <maxtram95@gmail.com> This is part 2 for touchpad toggle Signed-off-by:
Ike Panhc <ike.pan@canonical.com> Signed-off-by:
Matthew Garrett <mjg@redhat.com>
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Maxim Mikityanskiy authored
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special keys working, adds possibility to control fan like Windows does, controls Touchpad Disabled LED, toggles touchpad state via keyboard controller and corrects touchpad behavior on resume from suspend. It is new, modified version of patch. Now it does not depend on psmouse and does not need patching of input subsystem. Signed-off-by:
Maxim Mikityanskiy <maxtram95@gmail.com> This is part 1 for special button handling. Signed-off-by:
Ike Panhc <ike.pan@canonical.com> Signed-off-by:
Matthew Garrett <mjg@redhat.com>
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- 19 Aug, 2012 11 commits
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Linus Torvalds authored
Merge alpha architecture update from Michael Cree: "The Alpha Maintainer, Matt Turner, is currently unavailable, so I have collected up patches that have been posted to the linux-alpha mailing list over the last couple of months, and are forwarding them to you in the hope that you are prepared to accept them via me. The patches by Al Viro and myself I have been running against kernels for two months now so have had quite a bit of testing. All except one patch were intended for the 3.5 kernel but because of Matt's unavailability never got forwarded to you." * emailed patches from Michael Cree <mcree@orcon.net.nz>: (9 commits) alpha: Fix fall-out from disintegrating asm/system.h Redefine ATOMIC_INIT and ATOMIC64_INIT to drop the casts alpha: fix fpu.h usage in userspace alpha/mm/fault.c: Port OOM changes to do_page_fault alpha: take kernel_execve() out of entry.S alpha: take a bunch of syscalls into osf_sys.c alpha: Use new generic strncpy_from_user() and strnlen_user() alpha: Wire up cross memory attach syscalls alpha: Don't export SOCK_NONBLOCK to user space.
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Michael Cree authored
Commit ec221208 ("Disintegrate asm/system.h for Alpha") removed asm/system.h however arch/alpha/oprofile/common.c requires definitions that were shifted from asm/system.h to asm/special_insns.h. Include that. Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mel Gorman authored
The following build error occurred during an alpha build: net/core/sock.c:274:36: error: initializer element is not constant Dave Anglin says: > Here is the line in sock.i: > > struct static_key memalloc_socks = ((struct static_key) { .enabled = > ((atomic_t) { (0) }) }); The above line contains two compound literals. It also uses a designated initializer to initialize the field enabled. A compound literal is not a constant expression. The location of the above statement isn't fully clear, but if a compound literal occurs outside the body of a function, the initializer list must consist of constant expressions. Cc: <stable@vger.kernel.org> Signed-off-by:
Mel Gorman <mgorman@suse.de> Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mike Frysinger authored
After commit ec221208 ("Disintegrate asm/system.h for Alpha"), the fpu.h header which we install for userland started depending on special_insns.h which is not installed. However, fpu.h only uses that for __KERNEL__ code, so protect the inclusion the same way to avoid build breakage in glibc: /usr/include/asm/fpu.h:4:31: fatal error: asm/special_insns.h: No such file or directory Cc: stable@vger.kernel.org Reported-by:
Matt Turner <mattst88@gentoo.org> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Kautuk Consul authored
Commit d065bd81 ("mm: retry page fault when blocking on disk transfer") and 37b23e05 ("x86,mm: make pagefault killable") introduced changes into the x86 pagefault handler for making the page fault handler retryable as well as killable. These changes reduce the mmap_sem hold time, which is crucial during OOM killer invocation. Port these changes to ALPHA. Signed-off-by:
Mohd. Faris <mohdfarisq2010@gmail.com> Signed-off-by:
Kautuk Consul <consul.kautuk@gmail.com> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Al Viro authored
Signed-off-by:
Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Al Viro authored
New helper: current_thread_info(). Allows to do a bunch of odd syscalls in C. While we are at it, there had never been a reason to do osf_getpriority() in assembler. We also get "namespace"-aware (read: consistent with getuid(2), etc.) behaviour from getx?id() syscalls now. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Michael Cree authored
Similar to x86/sparc/powerpc implementations except: 1) we implement an extremely efficient has_zero()/find_zero() sequence with both prep_zero_mask() and create_zero_mask() no-operations. 2) Our output from prep_zero_mask() differs in that only the lowest eight bits are used to represent the zero bytes nevertheless it can be safely ORed with other similar masks from prep_zero_mask() and forms input to create_zero_mask(), the two fundamental properties prep_zero_mask() must satisfy. Tests on EV67 and EV68 CPUs revealed that the generic code is essentially as fast (to within 0.5% of CPU cycles) of the old Alpha specific code for large quadword-aligned strings, despite the 30% extra CPU instructions executed. In contrast, the generic code for unaligned strings is substantially slower (by more than a factor of 3) than the old Alpha specific code. Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Michael Cree authored
Add sys_process_vm_readv and sys_process_vm_writev to Alpha. Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Michael Cree authored
Currently we export SOCK_NONBLOCK to user space but that conflicts with the definition from glibc leading to compilation errors in user programs (e.g. see Debian bug #658460). The generic socket.h restricts the definition of SOCK_NONBLOCK to the kernel, as does the MIPS specific socket.h, so let's do the same on Alpha. Signed-off-by:
Michael Cree <mcree@orcon.net.nz> Acked-by:
Matt Turner <mattst88@gmail.com> Cc: stable@vger.kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Markus Trippelsdorf authored
commit af7f2158 was done against master, and clashed with structured logging's change of KERN_LEVEL to SOH. Bisected and fixed by Markus Trippelsdorf. Reported-by:
Markus Trippelsdorf <markus@trippelsdorf.de> Signed-off-by:
Jim Cromie <jim.cromie@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Baron <jbaron@redhat.com> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 18 Aug, 2012 9 commits
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git://git.linaro.org/people/rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "The largest thing in this set of changes is bringing back some of the ARMv3 code to fix a compile problem noticed on RiscPC, which we still support, even though we only support ARMv4 there. (The reason is that the system bus doesn't support ARMv4 half-word accesses, so we need the ARMv3 library code for this platform.) The rest are all quite minor fixes." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7490/1: Drop duplicate select for GENERIC_IRQ_PROBE ARM: Bring back ARMv3 IO and user access code ARM: 7489/1: errata: fix workaround for erratum #720789 on UP systems ARM: 7488/1: mm: use 5 bits for swapfile type encoding ARM: 7487/1: mm: avoid setting nG bit for user mappings that aren't present ARM: 7486/1: sched_clock: update epoch_cyc on resume ARM: 7484/1: Don't enable GENERIC_LOCKBREAK with ticket spinlocks ARM: 7483/1: vfp: only advertise VFPv4 in hwcaps if CONFIG_VFPv3 is enabled ARM: 7482/1: topology: fix section mismatch warning for init_cpu_topology
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Andi Kleen authored
Signed-off-by:
Andi Kleen <ak@linux.intel.com> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael J. Wysocki: - Fixes for three obscure problems in the runtime PM core code found recently. - Two fixes for the new "coupled" cpuidle code from Colin Cross and Jon Medhurst. - intel_idle driver fix from Konrad Rzeszutek Wilk. * tag 'pm-for-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it. cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify cpuidle: coupled: fix sleeping while atomic in cpu notifier PM / Runtime: Check device PM QoS setting before "no callbacks" check PM / Runtime: Clear power.deferred_resume on success in rpm_suspend() PM / Runtime: Fix rpm_resume() return value for power.no_callbacks set
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Mike Frysinger authored
Some of the arguments to {g,s}etsockopt are passed in userland pointers. If we try to use the 64bit entry point, we end up sometimes failing. For example, dhcpcd doesn't run in x32: # dhcpcd eth0 dhcpcd[1979]: version 5.5.6 starting dhcpcd[1979]: eth0: broadcasting for a lease dhcpcd[1979]: eth0: open_socket: Invalid argument dhcpcd[1979]: eth0: send_raw_packet: Bad file descriptor The code in particular is getting back EINVAL when doing: struct sock_fprog pf; setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER, &pf, sizeof(pf)); Diving into the kernel code, we can see: include/linux/filter.h: struct sock_fprog { unsigned short len; struct sock_filter __user *filter; }; net/core/sock.c: case SO_ATTACH_FILTER: ret = -EINVAL; if (optlen == sizeof(struct sock_fprog)) { struct sock_fprog fprog; ret = -EFAULT; if (copy_from_user(&fprog, optval, sizeof(fprog))) break; ret = sk_attach_filter(&fprog, sk); } break; arch/x86/syscalls/syscall_64.tbl: 54 common setsockopt sys_setsockopt 55 common getsockopt sys_getsockopt So for x64, sizeof(sock_fprog) is 16 bytes. For x86/x32, it's 8 bytes. This comes down to the pointer being 32bit for x32, which means we need to do structure size translation. But since x32 comes in directly to sys_setsockopt, it doesn't get translated like x86. After changing the syscall table and rebuilding glibc with the new kernel headers, dhcp runs fine in an x32 userland. Oddly, it seems like Linus noted the same thing during the initial port, but I guess that was missed/lost along the way: https://lkml.org/lkml/2011/8/26/452 [ hpa: tagging for -stable since this is an ABI fix. ] Bugzilla: https://bugs.gentoo.org/423649Reported-by:
Mads <mads@ab3.no> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Link: http://lkml.kernel.org/r/1345320697-15713-1-git-send-email-vapier@gentoo.org Cc: H. J. Lu <hjl.tools@gmail.com> Cc: <stable@vger.kernel.org> v3.4..v3.5 Signed-off-by:
H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfsLinus Torvalds authored
Pull vfs fixes from Miklos Szeredi. This mainly fixes some confusion about whether the open 'mode' variable passed around should contain the full file type (S_IFREG etc) information or just the permission mode. In particular, the lack of proper file type information had confused fuse. * 'vfs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: vfs: fix propagation of atomic_open create error on negative dentry fuse: check create mode in atomic open vfs: pass right create mode to may_o_create() vfs: atomic_open(): fix create mode usage vfs: canonicalize create mode in build_open_flags()
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Sven Schnelle authored
If a device specifies zero endpoints in its interface descriptor, the kernel oopses in acm_probe(). Even though that's clearly an invalid descriptor, we should test wether we have all endpoints. This is especially bad as this oops can be triggered by just plugging a USB device in. Signed-off-by:
Sven Schnelle <svens@stackframe.org> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This structure needs to always stick around, even if CONFIG_HOTPLUG is disabled, otherwise we can oops when trying to probe a device that was added after the structure is thrown away. Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Reported-by:
Bjørn Mork <bjorn@mork.no> Cc: stable <stable@vger.kernel.org> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: Felipe Balbi <balbi@ti.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This structure needs to always stick around, even if CONFIG_HOTPLUG is disabled, otherwise we can oops when trying to probe a device that was added after the structure is thrown away. Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Reported-by:
Bjørn Mork <bjorn@mork.no> Cc: stable <stable@vger.kernel.org> CC: Pavel Machek <pavel@ucw.cz> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: "John W. Linville" <linville@tuxdriver.com> CC: Eliad Peller <eliad@wizery.com> CC: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This structure needs to always stick around, even if CONFIG_HOTPLUG is disabled, otherwise we can oops when trying to probe a device that was added after the structure is thrown away. Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Reported-by:
Bjørn Mork <bjorn@mork.no> Cc: stable <stable@vger.kernel.org> CC: Forest Bond <forest@alittletooquiet.net> CC: Marcos Paulo de Souza <marcos.souza.org@gmail.com> CC: "David S. Miller" <davem@davemloft.net> CC: Jesper Juhl <jj@chaosbits.net> CC: Jiri Pirko <jpirko@redhat.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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