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The impetus for this is that we would like to move to 64-bit PMDs and
PGDs, but that would result in only supporting a 42-bit address space
with the current page table layout. It'd be nice to support at least
43-bits.
The reason we'd end up with only 42-bits after making PMDs and PGDs
64-bit is that we only use half-page sized PTE tables in order to make
PMDs line up to 4MB, the hardware huge page size we use.
So what we do here is we make huge pages 8MB, and fabricate them using
4MB hw TLB entries.
Facilitate this by providing a "REAL_HPAGE_SHIFT" which is used in
places that really need to operate on hardware 4MB pages.
Use full pages (512 entries) for PTE tables, and adjust PMD_SHIFT,
PGD_SHIFT, and the build time CPP test as needed. Use a CPP test to
make sure REAL_HPAGE_SHIFT and the _PAGE_SZHUGE_* we use match up.
This makes the pgtable cache completely unused, so remove the code
managing it and the state used in mm_context_t. Now we have less
spinlocks taken in the page table allocation path.
The technique we use to fabricate the 8MB pages is to transfer bit 22
from the missing virtual address into the PTEs physical address field.
That takes care of the transparent huge pages case.
For hugetlb, we fill things in at the PTE level and that code already
puts the sub huge page physical bits into the PTEs, based upon the
offset, so there is nothing special we need to do. It all just works
out.
So, a small amount of complexity in the THP case, but this code is
about to get much simpler when we move the 64-bit PMDs as we can move
away from the fancy 32-bit huge PMD encoding and just put a real PTE
value in there.
With bug fixes and help from Bob Picco.
Signed-off-by: David S. Miller <[email protected]>
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Choose PAGE_OFFSET dynamically based upon cpu type.
Original UltraSPARC-I (spitfire) chips only supported a 44-bit
virtual address space.
Newer chips (T4 and later) support 52-bit virtual addresses
and up to 47-bits of physical memory space.
Therefore we have to adjust PAGE_SIZE dynamically based upon
the capabilities of the chip.
Note that this change alone does not allow us to support > 43-bit
physical memory, to do that we need to re-arrange our page table
support. The current encodings of the pmd_t and pgd_t pointers
restricts us to "32 + 11" == 43 bits.
This change can waste quite a bit of memory for the various tables.
In particular, a future change should work to size and allocate
kern_linear_bitmap[] and sparc64_valid_addr_bitmap[] dynamically.
This isn't easy as we really cannot take a TLB miss when accessing
kern_linear_bitmap[]. We'd have to lock it into the TLB or similar.
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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Some parts of the code use '41' others use '42', make them
all use the same value.
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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This way we can see exactly what they are derived from, and in particular
how they would change if we were to use a different PAGE_OFFSET value.
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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This makes clearer the implications for a given choosen
value.
Based upon patches by Bob Picco.
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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This pertains to all of the computations of the kernel fast
TLB miss xor values.
Based upon a patch by Bob Picco.
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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Older UltraSPARC chips had an address space hole due to the MMU only
supporting 44-bit virtual addresses.
The top end of this hole also has the same value as the current
definition of PAGE_OFFSET, so this can be confusing.
Consolidate the defines for the userspace mmap exclusion range into
page_64.h and use them in sys_sparc_64.c and hugetlbpage.c
Signed-off-by: David S. Miller <[email protected]>
Acked-by: Bob Picco <[email protected]>
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Support the next generation Intel Atom processor
mirco-architecture, formerly called Silvermont.
The server version, formerly called "Avoton",
is named the "Intel(R) Atom(TM) Processor C2000 Product Family".
The client version, formerly called "Bay Trail",
is named the "Intel Atom Processor Z3000 Series",
as well as various "Intel Pentium Processor"
and "Intel Celeron Processor" brands, depending
on form-factor.
Silvermont has a set of MSRs not far off from NHM,
but the RAPL register set is a sub-set of those previously supported.
Signed-off-by: Len Brown <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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as an error
Do it the same way as done in microcode_intel.c: use pr_debug()
for missing firmware files.
There seem to be CPUs out there for which no microcode update
has been submitted to kernel-firmware repo yet resulting in
scary sounding error messages in dmesg:
microcode: failed to load file amd-ucode/microcode_amd_fam16h.bin
Signed-off-by: Thomas Renninger <[email protected]>
Acked-by: Borislav Petkov <[email protected]>
Cc: <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Consider a kernel crash in a module, simulated the following way:
static int my_init(void)
{
char *map = (void *)0x5;
*map = 3;
return 0;
}
module_init(my_init);
When we turn off FRAME_POINTERs, the very first instruction in
that function causes a BUG. The problem is that we print IP in
the BUG report using %pB (from printk_address). And %pB
decrements the pointer by one to fix printing addresses of
functions with tail calls.
This was added in commit 71f9e59800e5ad4 ("x86, dumpstack: Use
%pB format specifier for stack trace") to fix the call stack
printouts.
So instead of correct output:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000005
IP: [<ffffffffa01ac000>] my_init+0x0/0x10 [pb173]
We get:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000005
IP: [<ffffffffa0152000>] 0xffffffffa0151fff
To fix that, we use %pS only for stack addresses printouts (via
newly added printk_stack_address) and %pB for regs->ip (via
printk_address). I.e. we revert to the old behaviour for all
except call stacks. And since from all those reliable is 1, we
remove that parameter from printk_address.
Signed-off-by: Jiri Slaby <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Conflicts:
arch/arm/include/asm/atomic.h
arch/arm/include/asm/hardirq.h
arch/arm/kernel/smp.c
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DeviceTree updates for 3.13. This is a bit larger pull request than
usual for this cycle with lots of clean-up.
- Cross arch clean-up and consolidation of early DT scanning code.
- Clean-up and removal of arch prom.h headers. Makes arch specific
prom.h optional on all but Sparc.
- Addition of interrupts-extended property for devices connected to
multiple interrupt controllers.
- Refactoring of DT interrupt parsing code in preparation for
deferred probe of interrupts.
- ARM cpu and cpu topology bindings documentation.
- Various DT vendor binding documentation updates"
* tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits)
powerpc: add missing explicit OF includes for ppc
dt/irq: add empty of_irq_count for !OF_IRQ
dt: disable self-tests for !OF_IRQ
of: irq: Fix interrupt-map entry matching
MIPS: Netlogic: replace early_init_devtree() call
of: Add Panasonic Corporation vendor prefix
of: Add Chunghwa Picture Tubes Ltd. vendor prefix
of: Add AU Optronics Corporation vendor prefix
of/irq: Fix potential buffer overflow
of/irq: Fix bug in interrupt parsing refactor.
of: set dma_mask to point to coherent_dma_mask
of: add vendor prefix for PHYTEC Messtechnik GmbH
DT: sort vendor-prefixes.txt
of: Add vendor prefix for Cadence
of: Add empty for_each_available_child_of_node() macro definition
arm/versatile: Fix versatile irq specifications.
of/irq: create interrupts-extended property
microblaze/pci: Drop PowerPC-ism from irq parsing
of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
of/irq: Use irq_of_parse_and_map()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem changes from Bryan Wu:
"LED subsystem updates for 3.13 are basically cleanup and also add a
new driver for PCA9685"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: lp55xx: handle enable pin in driver
leds-gpio: of: led should not be created if its status is disabled
of: introduce of_get_available_child_count
leds: Added driver for the NXP PCA9685 I2C chip
leds: pwm: Remove redundant of_match_ptr
leds: Include linux/of.h header
leds: dac124s085: Remove redundant spi_set_drvdata
leds: lp55xx: enable setting default trigger
leds: blinkm: Remove redundant break
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Pull clock framework changes from Mike Turquette:
"The clock changes for 3.13 are an even mix of framework improvements &
bug fixes along with updates to existing clock drivers and the
additional of new clock drivers"
* tag 'clk-for-linus-3.13' of git://git.linaro.org/people/mturquette/linux:
clk: new driver for efm32 SoC
clk: of: helper for determining number of parent clocks
clk/zynq: Fix possible memory leak
clk: keystone: Build Keystone clock drivers
clk: keystone: Add gate control clock driver
clk: keystone: add Keystone PLL clock driver
Documentation: Add documentation for APM X-Gene clock binding
clk: arm64: Add DTS clock entry for APM X-Gene Storm SoC
clk: Add APM X-Gene SoC clock driver
clk: wm831x: get rid of the implementation of remove function
clk: Correct lookup logic in clk_fetch_parent_index()
clk: Use kcalloc() to allocate arrays
clk: Add error handling to clk_fetch_parent_index()
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"Here is the bulk of GPIO changes for the v3.13 development cycle.
I've got ACKs for the things that affect other subsystems (or it's my
own subsystem, like pinctrl). Most of that pertain to an attempt from
my side to consolidate and get rid of custom GPIO implementations in
the ARM tree. I will continue doing this.
The main change this time is the new GPIO descriptor API, background
for this can be found in Corbet's summary from this january in LWN:
http://lwn.net/Articles/533632/
Summary:
- Merged the GPIO descriptor API from Alexandre Courbot. This is a
first step toward trying to get rid of the global GPIO numberspace
for the future.
- Add an API so that driver can flag that a certain GPIO line is
being used by a irqchip backend for generating IRQs, so that we can
enforce checks, like not allowing users to switch that line to an
output at runtime, since this makes no sense. Implemented
corresponding calls in a few select drivers.
- ACPI GPIO cleanups, refactorings and switch to using the
descriptor-based interface.
- Support for the TPS80036 Palmas GPIO variant.
- A new driver for the Broadcom Kona GPIO SoC IP block.
- Device tree support for the PCF857x driver.
- A set of ARM GPIO refactorings with the goal of getting rid of a
bunch of custom GPIO implementations from the arch/arm/* tree:
* Move the IOP GPIO driver to the GPIO subsystem and fix all users
to use the gpiolib API for accessing GPIOs. Delete the old
custom GPIO implementation.
* Delete the unused custom PXA GPIO implemention.
* Convert all users of the IXP4 custom GPIO implementation to use
gpiolib and delete the custom implementation.
* Delete the custom Gemini GPIO implementation, also completely
unused.
- Various cleanups and renamings"
* tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: gpio-mxs: Remove unneeded dt checks
gpio: pl061: don't depend on CONFIG_ARM
gpio: bcm-kona: add missing .owner to struct gpio_chip
gpiolib: provide a declaration of seq_file in gpio/driver.h
gpiolib: include gpio/consumer.h in of_gpio.h for desc_to_gpio()
gpio: provide stubs for devres gpio functions
gpiolib: devres: add missing headers
gpiolib: make GPIO_DEVRES depend on GPIOLIB
gpiolib: devres: fix devm_gpiod_get_index()
gpiolib / ACPI: document the GPIO descriptor based interface
gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources
gpiolib / ACPI: add ACPI support for gpiod_get_index()
gpiolib / ACPI: convert to gpiod interfaces
gpiolib: add gpiod_get() and gpiod_put() functions
gpiolib: port of_ functions to use gpiod
gpiolib: export descriptor-based GPIO interface
Fixup "MAINTAINERS: GPIO-INTEL-MID: add maintainer"
gpio: bcm281xx: Don't print addresses of GPIO area in probe()
gpio: tegra: use new gpio_lock_as_irq() API
gpio: rcar: Include linux/of.h header
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Main pin control pull request for the v3.13 cycle.
The changes hitting arch/blackfin are ACKed by the Blackfin
maintainer, and the device tree bindings are ACKed to the extent
possible by someone from the device tree maintainers group.
- Blackfin ADI pin control driver, we move yet another architecture
under this subsystem umbrella.
- Incremental updates to the Renesas Super-H PFC pin control driver.
New subdriver for the r8a7791 SoC.
- Non-linear GPIO ranges from the gpiolib side of things, this
enabled simplified device tree bindings by referring entire groups
of pins on some pin controller to act as back-end for a certain
GPIO-chip driver.
- Add the Abilis TB10x pin control driver used on the ARC
architecture. Also the corresponding GPIO driver is merged through
this tree, so the ARC has full support for pins and GPIOs after
this.
- Subdrivers for Freescale i.MX1, i.MX27 and i.MX50 pin controller
instances. The i.MX1 and i.MX27 is an entirely new family
(silicon) of controllers whereas i.MX50 is a variant of the
previous supported controller.
- Then the usual slew of fixes, cleanups and incremental updates"
The ARC DT changes are apparently still pending, that hopefully gets
sorted out in a timely manner.
* tag 'pinctrl-for-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
pinctrl: imx50: add pinctrl support code for the IMX50 SoC
pinctrl: at91: copy define to driver
pinctrl: remove minor dead code
pinctrl: imx: fix using pin->input_val wrongly
pinctrl: imx1: fix return value check in imx1_pinctrl_core_probe()
gpio: tb10x: fix return value check in tb10x_gpio_probe()
gpio: tb10x: use module_platform_driver to simplify the code
pinctrl: imx27: imx27 pincontrol driver
pinctrl: imx1 core driver
pinctrl: sh-pfc: r8a7791 PFC support
sh-pfc: r8a7778: Add CAN pin groups
gpio: add TB10x GPIO driver
pinctrl: at91: correct a few typos
pinctrl: mvebu: remove redundant of_match_ptr
pinctrl: tb10x: use module_platform_driver to simplify the code
pinctrl: tb10x: fix the error handling in tb10x_pinctrl_probe()
pinctrl: add documentation for pinctrl_get_group_pins()
pinctrl: rockchip: emulate both edge triggered interrupts
pinctrl: rockchip: add rk3188 specifics
pinctrl: rockchip: remove redundant check
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Lots of driver updates here plus some nice new core features, the main
one being the first:
- Enable support for providing a dummy regulator when we know that
one must exist for the device to be functional. This makes it much
easier to add regulator support to drivers since we don't require
that the machine integration for all systems using the device be
updated to provide regulators.
- Substantial reduction in the amount of busy waiting done while
waiting for enables to complete.
- Allow MFDs to distribute regulator supplies to child devices so we
don't have to expose the internal structure of MFDs outside of the
driver.
- Managed registeration for regulators"
* tag 'regulator-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (113 commits)
regulator: s5m8767: Modify parsing method of the voltage table of buck2/3/4
regulator: s5m8767: Modify parse_dt function to parse data related to ramp
regulator: da9052: Revert se apply_[reg|bit] with regmap based voltage_sel operations
mfd: arizona: Specify supply mappings for Arizona CODECs
mfd: Allow mapping regulator supplies to MFD device from children
regulator: core: Add ability to create a lookup alias for supply
regulator: tps65910: Fix checkpatch issue
regulator: tps65023: Fix checkpatch issue
regulator: tps6105x: Fix checkpatch issue
regulator: mc13783: Fix checkpatch issue
regulator: max8997: Fix checkpatch issue
regulator: lp3971: Fix checkpatch issue
regulator: fixed: Fix checkpatch issue
regulator: anatop: Fix checkpatch issue
regulator: Add REGULATOR_LINEAR_RANGE macro
regulator: Remove max_uV from struct regulator_linear_range
regulator: ti-abb: Fix operator precedence typo
regulator: tps65910: get regulators node from parent node only
regulator: tps6586x: get regulators node from parent node only
regulator: tps65090: get regulators node from parent node only
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Benjamin Herrenschmidt:
"The bulk of this is LE updates. One should now be able to build an LE
kernel and even run some things in it.
I'm still sitting on a handful of patches to enable the new ABI that I
*might* still send this merge window around, but due to the
incertainty (they are pretty fresh) I want to keep them separate.
Other notable changes are some infrastructure bits to better handle
PCI pass-through under KVM, some bits and pieces added to the new
PowerNV platform support such as access to the CPU SCOM bus via sysfs,
and support for EEH error handling on PHB3 (Power8 PCIe).
We also grew arch_get_random_long() for both pseries and powernv when
running on P7+ and P8, exploiting the HW rng.
And finally various embedded updates from freescale"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (154 commits)
powerpc: Fix fatal SLB miss when restoring PPR
powerpc/powernv: Reserve the correct PE number
powerpc/powernv: Add PE to its own PELTV
powerpc/powernv: Add support for indirect XSCOM via debugfs
powerpc/scom: Improve debugfs interface
powerpc/scom: Enable 64-bit addresses
powerpc/boot: Properly handle the base "of" boot wrapper
powerpc/bpf: Support MOD operation
powerpc/bpf: Fix DIVWU instruction opcode
of: Move definition of of_find_next_cache_node into common code.
powerpc: Remove big endianness assumption in of_find_next_cache_node
powerpc/tm: Remove interrupt disable in __switch_to()
powerpc: word-at-a-time optimization for 64-bit Little Endian
powerpc/bpf: BPF JIT compiler for 64-bit Little Endian
powerpc: Only save/restore SDR1 if in hypervisor mode
powerpc/pmu: Fix ADB_PMU_LED_IDE dependencies
powerpc/nvram: Fix endian issue when using the partition length
powerpc/nvram: Fix endian issue when reading the NVRAM size
powerpc/nvram: Scan partitions only once
powerpc/mpc512x: remove unnecessary #if
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Pull microblaze updates from Michal Simek:
- Get rid of NO_MMU Kconfig
- mmap2 fixups
- Some minor cleanups
* tag 'microblaze-3.13-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Remove incorrect file path
microblaze: Fix bug with mmap2 syscall MB implementation
microblaze: Use predefined SYSCALL_DEFINE macro
microblaze: Remove deprecated IRQF_DISABLED
microblaze: Calculate kernel pad automatically
microblaze: Remove unused NO_MMU Kconfig parameter
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag architecture changes from James Hogan:
- A change to remove the last dependence on bootloader exception
handlers so that QEMU can more easily boot an SMP Linux/Meta kernel
image directly.
- A fix for a minor off by one error in a BUG_ON condition found by Dan
Carpenter.
* tag 'metag-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: off by one in setup_bootmem_node()
metag: handle low level kicks directly
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull h8300 platform removal from Guenter Roeck:
"The patch series has been in -next for more than one relase cycle. I
did get a number of Acks, and no objections.
H8/300 has been dead for several years, the kernel for it has not
compiled for ages, and recent versions of gcc for it are broken.
Remove support for it"
* tag 'h8300-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
CREDITS: Add Yoshinori Sato for h8300
fs/minix: Drop dependency on H8300
Drop remaining references to H8/300 architecture
Drop MAINTAINERS entry for H8/300
watchdog: Drop references to H8300 architecture
net/ethernet: Drop H8/300 Ethernet driver
net/ethernet: smsc9194: Drop conditional code for H8/300
ide: Drop H8/300 driver
Drop support for Renesas H8/300 (h8300) architecture
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This adds basic perf support for ARC700 cores. Most PERF_COUNT_HW* events
are supported now.
Signed-off-by: Mischa Jonker <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Signed-off-by: Vineet Gupta <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 UV debug changes from Ingo Molnar:
"Various SGI UV debuggability improvements, amongst them KDB support,
with related core KDB enabling patches changing kernel/debug/kdb/"
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "x86/UV: Add uvtrace support"
x86/UV: Add call to KGDB/KDB from NMI handler
kdb: Add support for external NMI handler to call KGDB/KDB
x86/UV: Check for alloc_cpumask_var() failures properly in uv_nmi_setup()
x86/UV: Add uvtrace support
x86/UV: Add kdump to UV NMI handler
x86/UV: Add summary of cpu activity to UV NMI handler
x86/UV: Update UV support for external NMI signals
x86/UV: Move NMI support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 uaccess changes from Ingo Molnar:
"A single change that micro-optimizes __copy_*_user_inatomic(), used by
the futex code"
* 'x86-uaccess-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Add 1/2/4/8 byte optimization to 64bit __copy_{from,to}_user_inatomic
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 reboot changes from Ingo Molnar:
"Misc changes - the only one with functional impact should be commit
16c21ae5ca63 ("reboot: Allow specifying warm/cold reset for CF9 boot
type") which extends cold/warm reboot handling to the 0xCF9 reboot
method"
* 'x86-reboot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/reboot: Correct pr_info() log message in the set_bios/pci/kbd_reboot()
x86/reboot: Sort reboot DMI quirks by vendor
x86/reboot: Remove the duplicate C6100 entry in the reboot quirks list
reboot: Allow specifying warm/cold reset for CF9 boot type
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform fixlet from Ingo Molnar:
"A single __initdata fix"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/geode: Fix incorrect placement of __initdata tag
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm fixlet from Ingo Molnar:
"One cleanup that documents a particular detail in init_mem_mapping()"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Add 'step_size' comments to init_mem_mapping()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS changes from Ingo Molnar:
"The biggest change adds support for Intel 'CPER' (UEFI Common Platform
Error Record) error logging, which builds upon an enhanced error
logging mechanism available on Xeon processors.
Full description is here:
http://www.intel.com/content/www/us/en/architecture-and-technology/enhanced-mca-logging-xeon-paper.html
This change provides a module (and support code) to check for an
extended error log and prints extra details about the error on the
console"
* 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ACPI, x86: Fix extended error log driver to depend on CONFIG_X86_LOCAL_APIC
dmi: Avoid unaligned memory access in save_mem_devices()
Move cper.c from drivers/acpi/apei to drivers/firmware/efi
EDAC, GHES: Update ghes error record info
ACPI, APEI, CPER: Cleanup CPER memory error output format
ACPI, APEI, CPER: Enhance memory reporting capability
ACPI, APEI, CPER: Add UEFI 2.4 support for memory error
DMI: Parse memory device (type 17) in SMBIOS
ACPI, x86: Extended error log driver for x86 platform
bitops: Introduce a more generic BITMASK macro
ACPI, CPER: Update cper info
ACPI, APEI, CPER: Fix status check during error printing
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 iommu changes from Ingo Molnar:
"Make it easier to turn off the old AMD GART code"
* 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/iommu: Clean up the CONFIG_GART_IOMMU config option a bit
x86/iommu: Don't make AMD_GART depend on EXPERT and default y
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/intel-mid changes from Ingo Molnar:
"Update the 'intel mid' (mobile internet device) platform code as Intel
is rolling out more SoC designs.
This gets rid of most of the 'MRST' platform code in the process,
mostly by renaming and shuffling code around into their respective
'intel-mid' platform drivers"
* 'x86-intel-mid-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, intel-mid: Do not re-introduce usage of obsolete __cpuinit
intel_mid: Move platform device setups to their own platform_<device>.* files
x86: intel-mid: Add section for sfi device table
intel-mid: sfi: Allow struct devs_id.get_platform_data to be NULL
intel_mid: Moved SFI related code to sfi.c
intel_mid: Added custom handler for ipc devices
intel_mid: Added custom device_handler support
intel_mid: Refactored sfi_parse_devs() function
intel_mid: Renamed *mrst* to *intel_mid*
pci: intel_mid: Return true/false in function returning bool
intel_mid: Renamed *mrst* to *intel_mid*
mrst: Fixed indentation issues
mrst: Fixed printk/pr_* related issues
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/hyperv changes from Ingo Molnar:
"These changes enable Linux guests to boot as 'Modern VM' guest kernels
on MS-Hyperv hosts"
* 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, hyperv: Move a variable to avoid an unused variable warning
x86, hyperv: Fix build error due to missing <asm/apic.h> include
x86, hyperv: Correctly guard the local APIC calibration code
x86, hyperv: Get the local APIC timer frequency from the hypervisor
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 EFI changes from Ingo Molnar:
"Main changes:
- Add support for earlyprintk=efi which uses the EFI framebuffer.
Very useful for debugging boot problems.
- EFI stub support for large memory maps (more than 128 entries)
- EFI ARM support - this was mostly done by generalizing x86 <-> ARM
platform differences, such as by moving x86 EFI code into
drivers/firmware/efi/ and sharing it with ARM.
- Documentation updates
- misc fixes"
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
x86/efi: Add EFI framebuffer earlyprintk support
boot, efi: Remove redundant memset()
x86/efi: Fix config_table_type array termination
x86 efi: bugfix interrupt disabling sequence
x86: EFI stub support for large memory maps
efi: resolve warnings found on ARM compile
efi: Fix types in EFI calls to match EFI function definitions.
efi: Renames in handle_cmdline_files() to complete generalization.
efi: Generalize handle_ramdisks() and rename to handle_cmdline_files().
efi: Allow efi_free() to be called with size of 0
efi: use efi_get_memory_map() to get final map for x86
efi: generalize efi_get_memory_map()
efi: Rename __get_map() to efi_get_memory_map()
efi: Move unicode to ASCII conversion to shared function.
efi: Generalize relocate_kernel() for use by other architectures.
efi: Move relocate_kernel() to shared file.
efi: Enforce minimum alignment of 1 page on allocations.
efi: Rename memory allocation/free functions
efi: Add system table pointer argument to shared functions.
efi: Move common EFI stub code from x86 arch code to common location
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu changes from Ingo Molnar:
"The biggest change that stands out is the increase of the
CONFIG_NR_CPUS range from 4096 to 8192 - as real hardware out there
already went beyond 4k CPUs ...
We only allow more than 512 CPUs if offstack cpumasks are enabled.
CONFIG_MAXSMP=y remains to be the 'you are nuts!' extreme testcase,
which now means a max of 8192 CPUs"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Increase max CPU count to 8192
x86/cpu: Allow higher NR_CPUS values
x86/cpu: Always print SMP information in /proc/cpuinfo
x86/cpu: Track legacy CPU model data only on 32-bit kernels
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Two small cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, msr: Use file_inode(), not f_mapping->host
x86: mkpiggy.c: Explicitly close the output file
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build changes from Ingo Molnar:
"Two small changes"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, defconfig: Add DEVTMPFS and DEVTMPFS_MOUNT to *86*_defconfig
x86, build: move build output statistics away from stderr
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot changes from Ingo Molnar:
"Two changes that prettify and compactify the SMP bootup output from:
smpboot: Booting Node 0, Processors #1 #2 #3 OK
smpboot: Booting Node 1, Processors #4 #5 #6 #7 OK
smpboot: Booting Node 2, Processors #8 #9 #10 #11 OK
smpboot: Booting Node 3, Processors #12 #13 #14 #15 OK
Brought up 16 CPUs
to something like:
x86: Booting SMP configuration:
.... node #0, CPUs: #1 #2 #3
.... node #1, CPUs: #4 #5 #6 #7
.... node #2, CPUs: #8 #9 #10 #11
.... node #3, CPUs: #12 #13 #14 #15
x86: Booted up 4 nodes, 16 CPUs"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Further compress CPUs bootup message
x86: Improve the printout of the SMP bootup CPU table
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 user access changes from Ingo Molnar:
"This tree contains two copy_[from/to]_user() build time checking
changes/enhancements from Jan Beulich.
The desired outcome is to get better compiler warnings with
CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y, to keep people from
introducing bugs such as overflows and information leaks"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Unify copy_to_user() and add size checking to it
x86: Unify copy_from_user() size checking
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/apic fix from Ingo Molnar:
"A single fix to the IO-APIC / local-APIC shutdown sequence"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Disable I/O APIC before shutdown of the local APIC
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer changes from Ingo Molnar:
"Main changes in this cycle were:
- Updated full dynticks support.
- Event stream support for architected (ARM) timers.
- ARM clocksource driver updates.
- Move arm64 to using the generic sched_clock framework & resulting
cleanup in the generic sched_clock code.
- Misc fixes and cleanups"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
x86/time: Honor ACPI FADT flag indicating absence of a CMOS RTC
clocksource: sun4i: remove IRQF_DISABLED
clocksource: sun4i: Report the minimum tick that we can program
clocksource: sun4i: Select CLKSRC_MMIO
clocksource: Provide timekeeping for efm32 SoCs
clocksource: em_sti: convert to clk_prepare/unprepare
time: Fix signedness bug in sysfs_get_uname() and its callers
timekeeping: Fix some trivial typos in comments
alarmtimer: return EINVAL instead of ENOTSUPP if rtcdev doesn't exist
clocksource: arch_timer: Do not register arch_sys_counter twice
timer stats: Add a 'Collection: active/inactive' line to timer usage statistics
sched_clock: Remove sched_clock_func() hook
arch_timer: Move to generic sched_clock framework
clocksource: tcb_clksrc: Remove IRQF_DISABLED
clocksource: tcb_clksrc: Improve driver robustness
clocksource: tcb_clksrc: Replace clk_enable/disable with clk_prepare_enable/disable_unprepare
clocksource: arm_arch_timer: Use clocksource for suspend timekeeping
clocksource: dw_apb_timer_of: Mark a few more functions as __init
clocksource: Put nodes passed to CLOCKSOURCE_OF_DECLARE callbacks centrally
arm: zynq: Enable arm_global_timer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar:
"The main changes in this cycle are:
- (much) improved CONFIG_NUMA_BALANCING support from Mel Gorman, Rik
van Riel, Peter Zijlstra et al. Yay!
- optimize preemption counter handling: merge the NEED_RESCHED flag
into the preempt_count variable, by Peter Zijlstra.
- wait.h fixes and code reorganization from Peter Zijlstra
- cfs_bandwidth fixes from Ben Segall
- SMP load-balancer cleanups from Peter Zijstra
- idle balancer improvements from Jason Low
- other fixes and cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (129 commits)
ftrace, sched: Add TRACE_FLAG_PREEMPT_RESCHED
stop_machine: Fix race between stop_two_cpus() and stop_cpus()
sched: Remove unnecessary iteration over sched domains to update nr_busy_cpus
sched: Fix asymmetric scheduling for POWER7
sched: Move completion code from core.c to completion.c
sched: Move wait code from core.c to wait.c
sched: Move wait.c into kernel/sched/
sched/wait: Fix __wait_event_interruptible_lock_irq_timeout()
sched: Avoid throttle_cfs_rq() racing with period_timer stopping
sched: Guarantee new group-entities always have weight
sched: Fix hrtimer_cancel()/rq->lock deadlock
sched: Fix cfs_bandwidth misuse of hrtimer_expires_remaining
sched: Fix race on toggling cfs_bandwidth_used
sched: Remove extra put_online_cpus() inside sched_setaffinity()
sched/rt: Fix task_tick_rt() comment
sched/wait: Fix build breakage
sched/wait: Introduce prepare_to_wait_event()
sched/wait: Add ___wait_cond_timeout() to wait_event*_timeout() too
sched: Remove get_online_cpus() usage
sched: Fix race in migrate_swap_stop()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"As a first remark I'd like to note that the way to build perf tooling
has been simplified and sped up, in the future it should be enough for
you to build perf via:
cd tools/perf/
make install
(ie without the -j option.) The build system will figure out the
number of CPUs and will do a parallel build+install.
The various build system inefficiencies and breakages Linus reported
against the v3.12 pull request should now be resolved - please
(re-)report any remaining annoyances or bugs.
Main changes on the perf kernel side:
* Performance optimizations:
. perf ring-buffer code optimizations, by Peter Zijlstra
. perf ring-buffer code optimizations, by Oleg Nesterov
. x86 NMI call-stack processing optimizations, by Peter Zijlstra
. perf context-switch optimizations, by Peter Zijlstra
. perf sampling speedups, by Peter Zijlstra
. x86 Intel PEBS processing speedups, by Peter Zijlstra
* Enhanced hardware support:
. for Intel Ivy Bridge-EP uncore PMUs, by Zheng Yan
. for Haswell transactions, by Andi Kleen, Peter Zijlstra
* Core perf events code enhancements and fixes by Oleg Nesterov:
. for uprobes, if fork() is called with pending ret-probes
. for uprobes platform support code
* New ABI details by Andi Kleen:
. Report x86 Haswell TSX transaction abort cost as weight
Main changes on the perf tooling side (some of these tooling changes
utilize the above kernel side changes):
* 'perf report/top' enhancements:
. Convert callchain children list to rbtree, greatly reducing the
time taken for callchain processing, from Namhyung Kim.
. Add new COMM infrastructure, further improving histogram
processing, from Frédéric Weisbecker, one fix from Namhyung Kim.
. Add /proc/kcore based live-annotation improvements, including
build-id cache support, multi map 'call' instruction navigation
fixes, kcore address validation, objdump workarounds. From
Adrian Hunter.
. Show progress on histogram collapsing, that can take a long
time, from Namhyung Kim.
. Add --max-stack option to limit callchain stack scan in 'top'
and 'report', improving callchain processing when reducing the
stack depth is an option, from Waiman Long.
. Add new option --ignore-vmlinux for perf top, from Willy
Tarreau.
* 'perf trace' enhancements:
. 'perf trace' now can can use a 'perf probe' dynamic tracepoints
to hook into the userspace -> kernel pathname copy so that it
can map fds to pathnames without reading /proc/pid/fd/ symlinks.
From Arnaldo Carvalho de Melo.
. Show VFS path associated with fd in live sessions, using a
'vfs_getname' 'perf probe' created dynamic tracepoint or by
looking at /proc/pid/fd, from Arnaldo Carvalho de Melo.
. Add 'trace' beautifiers for lots of syscall arguments, from
Arnaldo Carvalho de Melo.
. Implement more compact 'trace' output by suppressing zeroed
args, from Arnaldo Carvalho de Melo.
. Show thread COMM by default in 'trace', from Arnaldo Carvalho de
Melo.
. Add option to show full timestamp in 'trace', from David Ahern.
. Add 'record' command in 'trace', to record raw_syscalls:*, from
David Ahern.
. Add summary option to dump syscall statistics in 'trace', from
David Ahern.
. Improve error messages in 'trace', providing hints about system
configuration steps needed for using it, from Ramkumar
Ramachandra.
. 'perf trace' now emits hints as to why tracing is not possible,
helping the user to setup the system to allow tracing in the
desired permission granularity, telling if the problem is due to
debugfs not being mounted or with not enough permission for
!root, /proc/sys/kernel/perf_event_paranoit value, etc. From
Arnaldo Carvalho de Melo.
* 'perf record' enhancements:
. Check maximum frequency rate for record/top, emitting better
error messages, from Jiri Olsa.
. 'perf record' code cleanups, from David Ahern.
. Improve write_output error message in 'perf record', from Adrian
Hunter.
. Allow specifying B/K/M/G unit to the --mmap-pages arguments,
from Jiri Olsa.
. Fix command line callchain attribute tests to handle the new
-g/--call-chain semantics, from Arnaldo Carvalho de Melo.
* 'perf kvm' enhancements:
. Disable live kvm command if timerfd is not supported, from David
Ahern.
. Fix detection of non-core features, from David Ahern.
* 'perf list' enhancements:
. Add usage to 'perf list', from David Ahern.
. Show error in 'perf list' if tracepoints not available, from
Pekka Enberg.
* 'perf probe' enhancements:
. Support "$vars" meta argument syntax for local variables,
allowing asking for all possible variables at a given probe
point to be collected when it hits, from Masami Hiramatsu.
* 'perf sched' enhancements:
. Address the root cause of that 'perf sched' stack initialization
build slowdown, by programmatically setting a big array after
moving the global variable back to the stack. Fix from Adrian
Hunter.
* 'perf script' enhancements:
. Set up output options for in-stream attributes, from Adrian
Hunter.
. Print addr by default for BTS in 'perf script', from Adrian
Juntmer
* 'perf stat' enhancements:
. Improved messages when doing profiling in all or a subset of
CPUs using a workload as the session delimitator, as in:
'perf stat --cpu 0,2 sleep 10s'
from Arnaldo Carvalho de Melo.
. Add units to nanosec-based counters in 'perf stat', from David
Ahern.
. Remove bogus info when using 'perf stat' -e cycles/instructions,
from Ramkumar Ramachandra.
* 'perf lock' enhancements:
. 'perf lock' fixes and cleanups, from Davidlohr Bueso.
* 'perf test' enhancements:
. Fixup PERF_SAMPLE_TRANSACTION handling in sample synthesizing
and 'perf test', from Adrian Hunter.
. Clarify the "sample parsing" test entry, from Arnaldo Carvalho
de Melo.
. Consider PERF_SAMPLE_TRANSACTION in the "sample parsing" test,
from Arnaldo Carvalho de Melo.
. Memory leak fixes in 'perf test', from Felipe Pena.
* 'perf bench' enhancements:
. Change the procps visible command-name of invididual benchmark
tests plus cleanups, from Ingo Molnar.
* Generic perf tooling infrastructure/plumbing changes:
. Separating data file properties from session, code
reorganization from Jiri Olsa.
. Fix version when building out of tree, as when using one of
these:
$ make help | grep perf
perf-tar-src-pkg - Build perf-3.12.0.tar source tarball
perf-targz-src-pkg - Build perf-3.12.0.tar.gz source tarball
perf-tarbz2-src-pkg - Build perf-3.12.0.tar.bz2 source tarball
perf-tarxz-src-pkg - Build perf-3.12.0.tar.xz source tarball
$
from David Ahern.
. Enhance option parse error message, showing just the help lines
of the options affected, from Namhyung Kim.
. libtraceevent updates from upstream trace-cmd repo, from Steven
Rostedt.
. Always use perf_evsel__set_sample_bit to set sample_type, from
Adrian Hunter.
. Memory and mmap leak fixes from Chenggang Qin.
. Assorted build fixes for from David Ahern and Jiri Olsa.
. Speed up and prettify the build system, from Ingo Molnar.
. Implement addr2line directly using libbfd, from Roberto Vitillo.
. Separate the GTK support in a separate libperf-gtk.so DSO, that
is only loaded when --gtk is specified, from Namhyung Kim.
. perf bash completion fixes and improvements from Ramkumar
Ramachandra.
. Support for Openembedded/Yocto -dbg packages, from Ricardo
Ribalda Delgado.
And lots and lots of other fixes and code reorganizations that did not
make it into the list, see the shortlog, diffstat and the Git log for
details!"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (300 commits)
uprobes: Fix the memory out of bound overwrite in copy_insn()
uprobes: Fix the wrong usage of current->utask in uprobe_copy_process()
perf tools: Remove unneeded include
perf record: Remove post_processing_offset variable
perf record: Remove advance_output function
perf record: Refactor feature handling into a separate function
perf trace: Don't relookup fields by name in each sample
perf tools: Fix version when building out of tree
perf evsel: Ditch evsel->handler.data field
uprobes: Export write_opcode() as uprobe_write_opcode()
uprobes: Introduce arch_uprobe->ixol
uprobes: Kill module_init() and module_exit()
uprobes: Move function declarations out of arch
perf/x86/intel: Add Ivy Bridge-EP uncore IRP box support
perf/x86/intel/uncore: Add filter support for IvyBridge-EP QPI boxes
perf: Factor out strncpy() in perf_event_mmap_event()
tools/perf: Add required memory barriers
perf: Fix arch_perf_out_copy_user default
perf: Update a stale comment
perf: Optimize perf_output_begin() -- address calculation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull IRQ changes from Ingo Molnar:
"The biggest change this cycle are the softirq/hardirq stack
interaction and nesting fixes, cleanups and reorganizations from
Frederic. This is the longer followup story to the softirq nesting
fix that is already upstream (commit ded797547548: "irq: Force hardirq
exit's softirq processing on its own stack")"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: bcm2835: Convert to use IRQCHIP_DECLARE macro
powerpc: Tell about irq stack coverage
x86: Tell about irq stack coverage
irq: Optimize softirq stack selection in irq exit
irq: Justify the various softirq stack choices
irq: Improve a bit softirq debugging
irq: Optimize call to softirq on hardirq exit
irq: Consolidate do_softirq() arch overriden implementations
x86/irq: Correct comment about i8259 initialization
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This reverts commit 8eba18428ac926f436064ac281e76d36d51bd631.
uv_trace() is not used by anything, nor is uv_trace_nmi_func, nor
uv_trace_func.
That's not how we do instrumentation code in the kernel: we add
tracepoints, printk()s, etc. so that everyone not just those with
magic kernel modules can debug a system.
So remove this unused (and misguied) piece of code.
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Mike Travis <[email protected]>
Cc: Dimitri Sivanich <[email protected]>
Cc: Hedi Berriche <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jason Wessel <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
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Some common Xen drivers, like balloon.c, call pfn_to_mfn and mfn_to_pfn
even for autotranslate guests, expecting the argument back.
The following commit broke these drivers by changing the behavior of
pfn_to_mfn and mfn_to_pfn:
commit 4a19138c6505e224d9f4cc2fe9ada9188d7100ea
Author: Stefano Stabellini <[email protected]>
Date: Thu Oct 17 16:22:27 2013 +0000
arm/xen,arm64/xen: introduce p2m
They now return INVALID_P2M_ENTRY if Linux doesn't actually know what is
the mfn backing a pfn or what is the pfn corresponding to an mfn.
Fix the regression by switching to the old behavior.
Signed-off-by: Stefano Stabellini <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Tested-by: Ian Campbell <[email protected]>
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Tracepoints are named hierachially, and it makes more sense to keep a
general flow of information level from general to specific from left
to right, i.e.
x86_exceptions.page_fault_user|kernel
rather than
x86_exceptions.user|kernel_page_fault
Suggested-by: Ingo Molnar <[email protected]>
Acked-by: Seiji Aguchi <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
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Commit b5b4bb3f6a11f9 (of: only include prom.h on sparc) removed implicit
includes of of_*.h headers by powerpc's prom.h. Some components were
missed in initial clean-up patch, so add the necessary includes to fix
powerpc builds.
Signed-off-by: Rob Herring <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Matt Mackall <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
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Proper clock ID for USB OTG PHY is "usb_phy_gate".
The patch changes this mismatch.
Signed-off-by: Alexander Shiyan <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
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Currently, POWER and BYPASS bits are set up in a single write to pllv3
register. This causes problem occasionally from the IPU/HDMI testing.
Let's follow FSL BSP code to set up POWER bit, relock, and then BYPASS
sequentially.
Signed-off-by: Shawn Guo <[email protected]>
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