Kernel

[RFC PATCH 3/6] perf: Generalize some arch callchain code
- Most archs use one callchain buffer per cpu, except x86 that needs to deal with NMIs. Provide a default perf_callchain_buffer() implementation that x86 overrides. - Centralize all the kernel/user regs handling and invoke new arch handlers from there: perf_callchain_user() / perf_callchain_kernel() That... 1 Jul 2010 12:12

[RFC PATCH 6/6] perf: Fix double put_ctx
If we call free_event on fail case of event creation, it already put the context. The falldown goto, though, also does a put_ctx, which might dereference a freed context. Signed-off-by: Frederic Weisbecker <fweisbec(a)gmail.com> Cc: Ingo Molnar <mingo(a)elte.hu> Cc: Peter Zijlstra <a.p.zijlstra(a)chello.nl> Cc: Arnal... 1 Jul 2010 12:12

[RFC PATCH 1/6] perf: Drop unappropriate tests on arch callchains
Drop the TASK_RUNNING test on user tasks for callchains as this check doesn't seem to make any sense. Also remove the tests for !current that is not supposed to happen and current->pid as this should be handled at the generic level, with exclude_idle attribute. Signed-off-by: Frederic Weisbecker <fweisbec(a)gmai... 1 Jul 2010 12:12

[RFC] [PATCH] digital compass hmc5843
Adding support for the Honeywell HMC5843. The interface to the device is i2c. - Comments added - The interface name of sampling frequency made similar to the convention - The sysfs entries changed to io device Signed-off-by: Shubhrajyoti D <shubhrajyoti(a)ti.com> --- drivers/staging/iio/Kconfig | ... 1 Jul 2010 12:12

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[PATCH 4/6] ACPI: Remove /proc/acpi/embedded_controller/..
Other patches in this series add the same info to /sys/... and /proc/ioports. The info removed should never have been used in an application, eventually someone read it manually. /proc/acpi is deprecated for more than a year anyway... Signed-off-by: Thomas Renninger <trenn(a)suse.de> CC: Alexey Starikovskiy <... 1 Jul 2010 12:12

Provide /sys/../ec with read/write access and some cleanups
These patches are diffed against the test branch of the ACPI tree, but also patch fine with 2.6.35-rc3. I thought about tainting the kernel if someone writes to the EC, but as userspace can also write to graphics IO, PCI config or MSRs, it shouldn't matter that much. Eventually this should still be added (by a s... 1 Jul 2010 20:04

[PATCH 5/6] X86 platform drivers: Remove EC dump from thinkpad_acpi
There is a general interface for that now (provided by other patches in this patch series): /sys/devices/system/ec/*/io Signed-off-by: Thomas Renninger <trenn(a)suse.de> CC: Alexey Starikovskiy <astarikovskiy(a)suse.de> CC: Len Brown <lenb(a)kernel.org> CC: linux-kernel(a)vger.kernel.org CC: linux-acpi(a)vger.kernel.o... 1 Jul 2010 12:12

[PATCH 2/6] ACPI: Provide /sys/devices/system/ec/*/io for binary access to the EC
Binary sysfs skeleton taken over from drivers/pci/pci-sysfs.c /sys/devices/system/ec/*/io A userspace app to easily read/write the EC can be found here: ftp://ftp.suse.com/pub/people/trenn/sources/ec/ec_access.c Signed-off-by: Thomas Renninger <trenn(a)suse.de> Index: linux-2.6.34-master/drivers/acpi/ec_sys.c ... 1 Jul 2010 12:12

[PATCH 6/6] X86 platform driver: Fix section mismatch in wmi.c
The .add function must not be declared __init. Signed-off-by: Thomas Renninger <trenn(a)suse.de> CC: Alexey Starikovskiy <astarikovskiy(a)suse.de> CC: Len Brown <lenb(a)kernel.org> CC: linux-kernel(a)vger.kernel.org CC: linux-acpi(a)vger.kernel.org CC: platform-driver-x86(a)vger.kernel.org Index: linux-2.6.34-master... 1 Jul 2010 12:12