| Commit message (Collapse) | Author | Age | Files | Lines |
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My fix for a recursive Kconfig dependency caused another issue where the
ACPI specific options end up in the top-level menu in 'menuconfig'. This
was an unintended side-effect of having a silent option between
'menuconfig ACPI' and 'if ACPI'.
Moving the ARCH_SUPPORTS_ACPI symbol ahead of the ACPI menu solves that
problem and restores the previous presentation.
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Fixes: 2c870e61132c (arm64: fix ACPI dependencies)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision (which includes a regression fix and other improvements),
make ACPICA clear the status of all ACPI events when entering sleep
states (to restore the previous behavior) and update the ACPI
operation region driver for the CrystalCove PMIC.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20180810
including:
* Fix for AML parser regression causing it to mishandle opcodes
that open a scope upon parse failures (Erik Schmauss)
* Fix for a reference counting issue on large systems (Erik
Schmauss)
* Fix to discard values coming from register reads that have
failed (Erik Schmauss)
* Two acpiexec fixes (Bob Moore, Erik Schmauss)
* Debugger cleanup (Bob Moore)
* Cleanup of duplicate table error message (Bob Moore)
* Cleanup of hex detection in the utilities (Erik Schmauss)
- Make ACPICA clear the status of all ACPI events when entering sleep
states again to avoid functional regressions (Rafael Wysocki)
- Update the ACPI operation region driver for the CrystalCove PMIC to
cover all of the known operation region fields (Hans de Goede)"
* tag 'acpi-4.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PMIC: CrystalCove: Extend PMOP support to support all possible fields
ACPICA: Clear status of all events when entering sleep states
ACPICA: Update version to 20180810
ACPICA: acpiexec: fix a small memory leak regression
ACPICA: Reference Counts: increase max to 0x4000 for large servers
ACPICA: Reference count: add additional debugging details
ACPICA: acpi_exec: fixing -fi option
ACPICA: Debugger: Cleanup interface to the AML disassembler
ACPICA: AML Parser: skip opcodes that open a scope upon parse failure
ACPICA: Utilities: split hex detection into smaller functions
ACPICA: Update an error message for a duplicate table
ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value
ACPICA: AML Parser: ignore all exceptions resulting from incorrect AML during table load
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Merge a CrystalCove PMIC driver update.
* acpi-pmic:
ACPI / PMIC: CrystalCove: Extend PMOP support to support all possible fields
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Prior to this commit the CRC PMOP handler only supported the X285 and V18X
PMOP fields. Leading to errors like these on device using the VBUS field:
[ 765.766489] ACPI Error: AE_BAD_PARAMETER, Returned by Handler for [UserDefinedRegion] (20180531/evregion-266)
[ 765.766526] ACPI Error: Method parse/execution failed \_SB.I2C1.BATC._BST, AE_BAD_PARAMETER (20180531/psparse-516)
[ 765.766586] ACPI Error: AE_BAD_PARAMETER, Evaluating _BST (20180531/battery-577)
This commit adds support for all known fields to the CRC PMOP OpRegion
handler, the name and register info in this commit comes from:
https://github.com/01org/ProductionKernelQuilts/blob/master/uefi/cht-m1stable/patches/0002-ACPI-Adding-support-for-WC-and-CRC-opregion.patch
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit fa85015c0d95 (ACPICA: Clear status of all events when entering
S5) made the sleep state entry code in ACPICA clear the status of all
ACPI events when entering S5 to fix a functional regression reported
against commit 18996f2db918 (ACPICA: Events: Stop unconditionally
clearing ACPI IRQs during suspend/resume). However, it is reported
now that the regression also affects system states other than S5 on
some systems and causes them to wake up from sleep prematurely.
For this reason, make the code in question clear the status of all
ACPI events when entering all sleep states (in addition to S5) to
avoid the premature wakeups (this may cause some wakeup events to
be missed in theory, but the likelihood of that is small and the
change here simply restores the previous behavior of the code).
Fixes: 18996f2db918 (ACPICA: Events: Stop unconditionally clearing ACPI IRQs during suspend/resume)
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: 4.17+ <stable@vger.kernel.org> # 4.17+: fa85015c0d95 ACPICA: Clear status ...
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Version 20180810.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Eliminates warnings only seen when acpiexec exits.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Increase the reference count limit to 0x4000 as the current one is
not sufficient for some large server systems.
Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Tested-by: Russ Anderson <russ.anderson@hpe.com>
Reported-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Make reference counting diagnostics provide more information on
what has happened.
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Field elements listed in the init file used to be initialized after
the table load and before executing module-level code blocks. The
recent changes in module-level code mean that the table load becomes
a method execution. If fields are used within module-level code and
we are executing with -fi option, then these values are populated
after the table has finished loading. This commit changes the
initialization of objects listed in the init file so that field unit
values are populated during the table load.
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If the disassembler is configured out (such as when the debugger
is part of a kernel), these debugger commands are disabled:
List
Disassemble
Further, the Debug (single-step) command is simplified because
each line of code cannot be disassembled.
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change skips the entire length of opcodes that open a scope
(Device, Scope, Processor, etc) if the creation of the op fails. The
failure could be caused by various errors including AE_ALREADY_EXISTS
and AE_NOT_FOUND.
Reported-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Cc: 4.17+ <stable@vger.kernel.org> # 4.17+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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acpi_ut_implicit_strtoul64() called acpi_ut_detect_hex_prefix() and
ignored the return value. Instead, use acpi_ut_remove_hex_prefix().
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In this case, the exception AE_ALREADY_EXISTS is more
appropriate.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The value coming from acpi_hw_read() should not be used if it
returns an error code, so check the status returned by it before
using that value in two places in acpi_hw_register_read().
Reported-by: Mark Gross <mark.gross@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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during table load
Macros to classify different AML exception codes have been added in
order to ignore the exceptions,
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Fix damaged white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix the main idle loop and the menu cpuidle governor, clean up
the latter, fix a mistake in the PCI bus type's support for system
suspend and resume, fix the ondemand and conservative cpufreq
governors, address a build issue in the system wakeup framework and
make the ACPI C-states desciptions less confusing.
Specifics:
- Make the idle loop handle stopped scheduler tick correctly (Rafael
Wysocki).
- Prevent the menu cpuidle governor from letting CPUs spend too much
time in shallow idle states when it is invoked with scheduler tick
stopped and clean it up somewhat (Rafael Wysocki).
- Avoid invoking the platform firmware to make the platform enter the
ACPI S3 sleep state with suspended PCIe root ports which may
confuse the firmware and cause it to crash (Rafael Wysocki).
- Fix sysfs-related race in the ondemand and conservative cpufreq
governors which may cause the system to crash if the governor
module is removed during an update of CPU frequency limits (Henry
Willard).
- Select SRCU when building the system wakeup framework to avoid a
build issue in it (zhangyi).
- Make the descriptions of ACPI C-states vendor-neutral to avoid
confusion (Prarit Bhargava)"
* tag 'pm-4.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: menu: Handle stopped tick more aggressively
sched: idle: Avoid retaining the tick when it has been stopped
PCI / ACPI / PM: Resume all bridges on suspend-to-RAM
cpuidle: menu: Update stale polling override comment
cpufreq: governor: Avoid accessing invalid governor_data
x86/ACPI/cstate: Make APCI C1 FFH MWAIT C-state description vendor-neutral
cpuidle: menu: Fix white space
PM / sleep: wakeup: Fix build error caused by missing SRCU support
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Merge fixes for the ondemand and conservative cpufreq governors,
PCI power management and system wakeup framework.
* pm-cpufreq:
cpufreq: governor: Avoid accessing invalid governor_data
* pm-pci:
PCI / ACPI / PM: Resume all bridges on suspend-to-RAM
* pm-sleep:
PM / sleep: wakeup: Fix build error caused by missing SRCU support
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Commit ea0212f40c6 (power: auto select CONFIG_SRCU) made the code in
drivers/base/power/wakeup.c use SRCU instead of RCU, but it forgot to
select CONFIG_SRCU in Kconfig, which leads to the following build
error if CONFIG_SRCU is not selected somewhere else:
drivers/built-in.o: In function `wakeup_source_remove':
(.text+0x3c6fc): undefined reference to `synchronize_srcu'
drivers/built-in.o: In function `pm_print_active_wakeup_sources':
(.text+0x3c7a8): undefined reference to `__srcu_read_lock'
drivers/built-in.o: In function `pm_print_active_wakeup_sources':
(.text+0x3c84c): undefined reference to `__srcu_read_unlock'
drivers/built-in.o: In function `device_wakeup_arm_wake_irqs':
(.text+0x3d1d8): undefined reference to `__srcu_read_lock'
drivers/built-in.o: In function `device_wakeup_arm_wake_irqs':
(.text+0x3d228): undefined reference to `__srcu_read_unlock'
drivers/built-in.o: In function `device_wakeup_disarm_wake_irqs':
(.text+0x3d24c): undefined reference to `__srcu_read_lock'
drivers/built-in.o: In function `device_wakeup_disarm_wake_irqs':
(.text+0x3d29c): undefined reference to `__srcu_read_unlock'
drivers/built-in.o:(.data+0x4158): undefined reference to `process_srcu'
Fix this error by selecting CONFIG_SRCU when PM_SLEEP is enabled.
Fixes: ea0212f40c6 (power: auto select CONFIG_SRCU)
Cc: 4.2+ <stable@vger.kernel.org> # 4.2+
Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
[ rjw: Minor subject/changelog fixups ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 26112ddc254c (PCI / ACPI / PM: Resume bridges w/o drivers on
suspend-to-RAM) attempted to fix a functional regression resulting
from commit c62ec4610c40 (PM / core: Fix direct_complete handling
for devices with no callbacks) by resuming PCI bridges without
drivers (that is, "parallel PCI" ones) during system-wide suspend if
the target system state is not ACPI S0 (working state).
That turns out insufficient, however, as it is reported that, at
least in one case, the platform firmware gets confused if a PCIe
root port is suspended before entering the ACPI S3 sleep state.
That issue was exposed by commit 77b3729ca03 (PCI / PM: Use
SMART_SUSPEND and LEAVE_SUSPENDED flags for PCIe ports) that allowed
PCIe ports to stay in runtime suspend during system-wide suspend
(which is OK for suspend-to-idle, but turns out to be problematic
otherwise).
For this reason, drop the driver check from acpi_pci_need_resume()
and resume all bridges (including PCIe ports with drivers) during
system-wide suspend if the target system state is not ACPI S0.
[If the target system state is ACPI S0, it means suspend-to-idle
and the platform firmware is not going to be invoked to actually
suspend the system, so there is no need to resume the bridges in
that case.]
Fixes: 77b3729ca03 (PCI / PM: Use SMART_SUSPEND and LEAVE_SUSPENDED flags for PCIe ports)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200675
Reported-by: teika kazura <teika@gmx.com>
Tested-by: teika kazura <teika@gmx.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: 4.16+ <stable@vger.kernel.org> # 4.16+: 26112ddc254c (PCI / ACPI / PM: Resume bridges ...)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If cppc_cpufreq.ko is deleted at the same time that tuned-adm is
changing profiles, there is a small chance that a race can occur
between cpufreq_dbs_governor_exit() and cpufreq_dbs_governor_limits()
resulting in a system failure when the latter tries to use
policy->governor_data that has been freed by the former.
This patch uses gov_dbs_data_mutex to synchronize access.
Fixes: e788892ba3cc (cpufreq: governor: Get rid of governor events)
Signed-off-by: Henry Willard <henry.willard@oracle.com>
[ rjw: Subject, minor white space adjustment ]
Cc: 4.8+ <stable@vger.kernel.org> # 4.8+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 87c9fe6ee495 (cpuidle: menu: Avoid selecting shallow states
with stopped tick) missed the case when the target residencies of
deep idle states of CPUs are above the tick boundary which may cause
the CPU to get stuck in a shallow idle state for a long time.
Say there are two CPU idle states available: one shallow, with the
target residency much below the tick boundary and one deep, with
the target residency significantly above the tick boundary. In
that case, if the tick has been stopped already and the expected
next timer event is relatively far in the future, the governor will
assume the idle duration to be equal to TICK_USEC and it will select
the idle state for the CPU accordingly. However, that will cause the
shallow state to be selected even though it would have been more
energy-efficient to select the deep one.
To address this issue, modify the governor to always use the time
till the closest timer event instead of the predicted idle duration
if the latter is less than the tick period length and the tick has
been stopped already. Also make it extend the search for a matching
idle state if the tick is stopped to avoid settling on a shallow
state if deep states with target residencies above the tick period
length are available.
In addition, make it always indicate that the tick should be stopped
if it has been stopped already for consistency.
Fixes: 87c9fe6ee495 (cpuidle: menu: Avoid selecting shallow states with stopped tick)
Reported-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: 4.17+ <stable@vger.kernel.org> # 4.17+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If the tick has been stopped already, but the governor has not asked to
stop it (which it can do sometimes), the idle loop should invoke
tick_nohz_idle_stop_tick(), to let tick_nohz_stop_tick() take care
of this case properly.
Fixes: 554c8aa8ecad (sched: idle: Select idle state before stopping the tick)
Cc: 4.17+ <stable@vger.kernel.org> # 4.17+
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The comment to explain why the menu governor uses idle state 1
instead of idle state 0 as the first one sometimes is stale (among
other things it mentions a user setting not present any more),
so update it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 5209654a46ee (x86/ACPI/cstate: Allow ACPI C1 FFH MWAIT use on
AMD systems) forgot to update the ACPI C1 idle state description and
tools like turbostat display "ACPI FFH INTEL MWAIT 0x0" which is
quite confusing on an AMD system.
Drop the "INTEL" part from the ACPI C1 FFH MWAIT C-state description
to avoid confusion.
Fixes: 5209654a46ee (x86/ACPI/cstate: Allow ACPI C1 FFH MWAIT use on AMD systems)
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix some damaged white space in menu_select().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull IDE updates from David Miller:
- Remove redundant variables (Colin Ian King)
- Expected switch fall-through annotations (Gustavo A. R. Silva)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: mark expected switch fall-throughs
ide-tape: remove redundant variable buffer_size
ide: remove redundant variables queue_run_ms and left
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Variable buffer_size is being assigned but is never used hence it is
redundant and can be removed.
Cleans up clang warning:
warning: variable 'buffer_size' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Variable queue_run_ms is not being used and is redundant and hence can
be removed. Removing this also means that variable left can also be
removed.
Cleans up clang warning:
warning: variable ‘queue_run_ms’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull sparc updates from David Miller:
"Nothing super serious:
- Convert sparc32 over to NO_BOOTMEM (Mike Rapoport)
- Use dma_noncoherent_ops on sparc32 (Christoph Hellwig)
- Fix kbuild defconfig handling on sparc32 (Masahiro Yamada)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: fix KBUILD_DEFCONFIG for ARCH=sparc32
sparc32: split ramdisk detection and reservation to a helper function
sparc32: switch to NO_BOOTMEM
sparc: mm/init_32: kill trailing whitespace
sparc: use generic dma_noncoherent_ops
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As commit 5ba800962a80 ("kbuild: update ARCH alias info for sparc")
addressed, SPARC accepts ARCH=sparc32 as an alias.
However, arch/sparc/Makefile wrongly sets KBUILD_DEFCONFIG, then
sparc64_defconfig is chosen as the base configuration for ARCH=sparc32.
$ make ARCH=sparc32 defconfig
*** Default configuration is based on 'sparc64_defconfig'
#
# configuration written to .config
#
Fix the logic to choose sparc64_defconfig only when ARCH=sparc64.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mike Rapoport says:
====================
sparc32: switch to NO_BOOTMEM
These patches convert sparc32 to use memblock + nobootmem.
I've made the conversion as simple as possible, just enough to allow moving
HAVE_MEMBLOCK and NO_BOOTMEM to the common SPARC configuration.
v2 changes:
* split whitespace changes to a separate patch
* address Sam's comments [1]
[1] https://lkml.org/lkml/2018/8/2/403
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The detection and reservation of ramdisk memory were separated to allow
bootmem bitmap initialization after the ramdisk boundaries are detected.
Since the bootmem initialization is removed, the reservation of ramdisk
memory is done immediately after its boundaries are found.
Split the entire block into a separate helper function.
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Each populated sparc_phys_bank is added to memblock.memory. The
reserve_bootmem() calls are replaced with memblock_reserve(), and the
bootmem bitmap initialization is droppped.
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Switch to the generic noncoherent direct mapping implementation.
This removes the previous sync_single_for_device implementation, which
looks bogus given that no syncing is happening in the similar but more
important map_single case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull arch/h8300 updates from Yoshinori Sato.
* tag 'for-4.19' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux:
h8300: fix IRQ no
arch/h8300: add a defconfig target
arch/h8300: eliminate kgbd.c warning
arch/h8300: eliminate ptrace.h warnings
h8300:let the checker know that size_t is ulong
h8300: Don't include linux/kernel.h in asm/atomic.h
h8300: remove unnecessary of_platform_populate call
h8300: Correct signature of test_bit()
h8300: irqchip: fix warning
h8300: switch to NO_BOOTMEM
h8300: gcc-8.1 fix
h8300: Add missing output register.
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Old timer handler use 24 (Compare match A).
But current timer handler use 26 (Overflow).
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Make the "defconfig" target valid for arch/h8300. Currently
"make ARCH=h8300 defconfig" produces:
*** Can't find default configuration "arch/h8300/defconfig"!
../scripts/kconfig/Makefile:87: recipe for target 'defconfig' failed
By adding a value for KBUILD_DEFCONFIG, "make ARCH=h8300 defconfig"
successfully produces a kernel .config file:
*** Default configuration is based on 'edosk2674_defconfig'
This is useful for Kconfig editing/testing.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers)
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Drop the "const" qualifier from arch_kgdb_ops to eliminate the gcc
warning (gcc version is 8.1.0).
arch/h8300/kernel/kgdb.c:132:24: error: conflicting type qualifiers for 'arch_kgdb_ops'
const struct kgdb_arch arch_kgdb_ops = {
In file included from ../arch/h8300/kernel/kgdb.c:12:
../include/linux/kgdb.h:284:26: note: previous declaration of 'arch_kgdb_ops' was here
extern struct kgdb_arch arch_kgdb_ops;
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Add a "struct task_struct;" stub to arch/h8300's ptrace.h header to
eliminate gcc warnings (gcc version is 8.1.0).
../arch/h8300/include/asm/ptrace.h:32:34: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration
extern long h8300_get_reg(struct task_struct *task, int regno);
../arch/h8300/include/asm/ptrace.h:33:33: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration
extern int h8300_put_reg(struct task_struct *task, int regno,
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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All 64bit archs use unsigned long for size_t and most 32bit
archs use 'unsigned int'. By default, this is what is assumed
by sparse.
However, on h8300 (a 32bit arch) size_t is unsigned long which
can led sparse to emit wrong warnings.
Fix this by passing to sparse the flag -msize-long, telling it
that size_t is unsigned long.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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linux/kernel.h isn't needed by asm/atomic.h and will result in circular
dependencies when the asm-generic atomic bitops are built around the
tomic_long_t interface.
Remove the broad include and replace it with linux/compiler.h for
READ_ONCE etc and asm/irqflags.h for arch_local_irq_save etc.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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The DT core will call of_platform_populate, so it is not necessary for
arch specific code to call it unless there are custom match entries,
auxdata or parent device. Neither of those apply here, so remove the call.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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mm/filemap.c: In function 'clear_bit_unlock_is_negative_byte':
mm/filemap.c:1181:30: warning: passing argument 2 of 'test_bit' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers]
return test_bit(PG_waiters, mem);
^~~
In file included from include/linux/bitops.h:38,
from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/wait.h:7,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:6,
from include/linux/dax.h:5,
from mm/filemap.c:14:
arch/h8300/include/asm/bitops.h:69:57: note: expected 'const long unsigned int *' but argument is of type 'volatile void *'
static inline int test_bit(int nr, const unsigned long *addr)
~~~~~~~~~~~~~~~~~~~~~^~~~
Make the bitmask pointed to by the "addr" parameter volatile to fix
this, like is done on other architectures.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Var "addr" type incorrect.
It have interrupt controler register address.
Type of void __iomem is correct.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Commit 0fa1c579349f ("of/fdt: use memblock_virt_alloc for early alloc")
inadvertently switched the DT unflattening allocations from memblock to
bootmem which doesn't work because the unflattening happens before
bootmem is initialized. Swapping the order of bootmem init and
unflattening could also fix this, but removing bootmem is desired. So
enable NO_BOOTMEM on h8300 like other architectures have done.
Fixes: 0fa1c579349f ("of/fdt: use memblock_virt_alloc for early alloc")
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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Since gcc 8.1 does not generate an assignment statement to er 0,
we had to explicitly write it.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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