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sysrq_handle_reboot() re-enables interrupts while on the irq stack. The
irq_stack implementation wrongly assumed this would only ever happen
via the softirq path, allowing it to update irq_count late, in
do_softirq_own_stack().
This means if an irq occurs in sysrq_handle_reboot(), during
emergency_restart() the stack will be corrupted, as irq_count wasn't
updated.
Lose the optimisation, and instead of moving the adding/subtracting of
irq_count into irq_stack_entry/irq_stack_exit, remove it, and compare
sp_el0 (struct thread_info) with sp & ~(THREAD_SIZE - 1). This tells us
if we are on a task stack, if so, we can safely switch to the irq stack.
Finally, remove do_softirq_own_stack(), we don't need it anymore.
Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
[will: use get_thread_info macro]
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The arm64 MMU supports a Contiguous bit which is a hint that the TTE
is one of a set of contiguous entries which can be cached in a single
TLB entry. Supporting this bit adds new intermediate huge page sizes.
The set of huge page sizes available depends on the base page size.
Without using contiguous pages the huge page sizes are as follows.
4KB: 2MB 1GB
64KB: 512MB
With a 4KB granule, the contiguous bit groups together sets of 16 pages
and with a 64KB granule it groups sets of 32 pages. This enables two new
huge page sizes in each case, so that the full set of available sizes
is as follows.
4KB: 64KB 2MB 32MB 1GB
64KB: 2MB 512MB 16GB
If a 16KB granule is used then the contiguous bit groups 128 pages
at the PTE level and 32 pages at the PMD level.
If the base page size is set to 64KB then 2MB pages are enabled by
default. It is possible in the future to make 2MB the default huge
page size for both 4KB and 64KB granules.
Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com>
Reviewed-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: David Woods <dwoods@ezchip.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The Empire Electronix D709 tablet is a fairly standard 7" A13 tablet,
featuring usb-wifi, a micro-sd slot, micro-usb otg and headphone jack.
Empire Electronix is written on the back of the tablet, the D709 model
info can be found in the about tablet menu in android.
The PCB has no markings to speak of.
This dts file does not add support for the ft5x touchscreen found at
i2c bus 1, addr 0x38, irq PG11, because it does not work out of the box.
It seems it has been flashed with the wrong firmware and needs to have
alternative firmware uploaded at boot to make the touchscreen work
properly, when hot-booting from android into an upstream kernel the
touchscreen does work.
The Memsic MXC622X accelerometer at i2c bus 1, addr 0x15 also is not
enabled as there is no driver for it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The Wits Pro A20 DKT has a gbit ethernet port, enable it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This commit enables the on-chip audio codec present on the MK808C.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This commit enables the on-chip audio codec present on some variants
of the MK802.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add PA gpio pin for controlling power of two external amplifiers (NS4890) which are used on the Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add a backlight for controlling the lcd panel backlight on Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add a node for the Goodix GT911 touchscreen found on the Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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It turns out that some Android versions hardcode the SYSENTER
calling convention. This is buggy and will cause problems no
matter what the kernel does. Nonetheless, we should try to
support it.
Credit goes to Linus for pointing out a clean way to handle
the SYSENTER/SYSCALL clobber differences while preserving
straightforward DWARF annotations.
I believe that the original offending Android commit was:
https://android.googlesource.com/platform%2Fbionic/+/7dc3684d7a2587e43e6d2a8e0e3f39bf759bd535
Reported-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-and-tested-by: Borislav Petkov <bp@alien8.de>
Cc: <mark.gross@intel.com>
Cc: Su Tao <tao.su@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: <frank.wang@intel.com>
Cc: <borun.fu@intel.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Mingwei Shi <mingwei.shi@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-and-tested-by: Borislav Petkov <bp@alien8.de>
Cc: <mark.gross@intel.com>
Cc: Su Tao <tao.su@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: <qiuxu.zhuo@intel.com>
Cc: <frank.wang@intel.com>
Cc: <borun.fu@intel.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Mingwei Shi <mingwei.shi@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The pmuserenr_el0 register value is architecturally UNKNOWN on reset.
Current kernel code resets that register value iff the core pmu device is
correctly probed in the kernel. On platforms with missing DT pmu nodes (or
disabled perf events in the kernel), the pmu is not probed, therefore the
pmuserenr_el0 register is not reset in the kernel, which means that its
value retains the reset value that is architecturally UNKNOWN (system
may run with eg pmuserenr_el0 == 0x1, which means that PMU counters access
is available at EL0, which must be disallowed).
This patch adds code that resets pmuserenr_el0 on cold boot and restores
it on core resume from shutdown, so that the pmuserenr_el0 setup is
always enforced in the kernel.
Cc: <stable@vger.kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Try XENPF_settime64 first, if it is not available fall back to
XENPF_settime32.
No need to call __current_kernel_time() when all the info needed are
already passed via the struct timekeeper * argument.
Return NOTIFY_BAD in case of errors.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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If Linux is running as dom0, call XENPF_settime64 to update the system
time in Xen on pvclock_gtod notifications.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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Read the wallclock from the shared info page at boot time.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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The hypervisor actually exposes an additional field to struct
pvclock_wall_clock, with the high 32 bit seconds.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Julien Grall <julien.grall@citrix.com>
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Rename the current XENPF_settime hypercall and related struct to
XENPF_settime32.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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The dom0_op hypercall has been renamed to platform_op since Xen 3.2,
which is ancient, and modern upstream Linux kernels cannot run as dom0
and it anymore anyway.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Register the runstate_memory_area with the hypervisor.
Use pv_time_ops.steal_clock to account for stolen ticks.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on ARM64.
Necessary duplication of paravirt.h and paravirt.c with ARM.
The only paravirt interface supported is pv_time_ops.steal_clock, so no
runtime pvops patching needed.
This allows us to make use of steal_account_process_tick for stolen
ticks accounting.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
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Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on ARM.
The only paravirt interface supported is pv_time_ops.steal_clock, so no
runtime pvops patching needed.
This allows us to make use of steal_account_process_tick for stolen
ticks accounting.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Christopher Covington <cov@codeaurora.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Russell King <linux@arm.linux.org.uk>
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drivers/xen/time.c
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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The Versatile Industrial Communication platform is a community oriented
board from Landis + Gyr. It comes with:
- an RS-485 port
- 2 Ethernet ports
- a wireless M-BUS
- a 4G modem
- a 4MB SPI flash
- a 4GB eMMC
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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The i.MX7 Kconfig option had a couple of missing select lines that
I fixed already, but I missed HAVE_IMX_SRC:
arch/arm/mach-imx/built-in.o: In function `imx7d_init_irq':
platform-spi_imx.c:(.init.text+0x25a8): undefined reference to `imx_src_init'
This adds that one as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 0be5da9dc249 ("ARM: imx: imx7d requires anatop")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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On parisc syscalls which are interrupted by signals sometimes failed to
restart and instead returned -ENOSYS which in the worst case lead to
userspace crashes.
A similiar problem existed on MIPS and was fixed by commit e967ef02
("MIPS: Fix restart of indirect syscalls").
On parisc the current syscall restart code assumes that all syscall
callers load the syscall number in the delay slot of the ble
instruction. That's how it is e.g. done in the unistd.h header file:
ble 0x100(%sr2, %r0)
ldi #syscall_nr, %r20
Because of that assumption the current code never restored %r20 before
returning to userspace.
This assumption is at least not true for code which uses the glibc
syscall() function, which instead uses this syntax:
ble 0x100(%sr2, %r0)
copy regX, %r20
where regX depend on how the compiler optimizes the code and register
usage.
This patch fixes this problem by adding code to analyze how the syscall
number is loaded in the delay branch and - if needed - copy the syscall
number to regX prior returning to userspace for the syscall restart.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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Linux 4.4-rc6
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Instead of seeing empty stack traces, let kernel fail early so dwarf
issues can be fixed sooner
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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The rudimentary CIE.version == 3 handling is already present in code
(for return address register specification)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Blingly ignoring CIE.version != 1 was a bad idea.
It still leaves "desirability" when running perf with callgraphing where libgcc
symbols might show in hotspot.
More importantly, basic CIE.version == 3 support already exists in code:
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| retAddrReg = state.version <= 1 ? *ptr++ : get_uleb128(&ptr, end);
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Next commit with simply add continue-not-bail for CIE.version != 1
This reverts commit 323f41f9e7d0cb5b1d1586aded6682855f1e646d.
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At -Os, ARC gcc generates millicode thunk for function prologue/epilogue,
which are served by libgcc.
Modules historically are NOT linked with libgcc to avoid code bloat, reducing
runtime relocation fixups etc. I even once tried doing that but got lost
in makefile intricacies.
This means modules at -Os don't get the millicode thunks, causing build
failures below:
| MODPOST 5 modules
| ERROR: "__ld_r13_to_r18" [crypto/sha256_generic.ko] undefined!
| ERROR: "__ld_r13_to_r18_ret" [crypto/sha256_generic.ko] undefined!
| ERROR: "__st_r13_to_r18" [crypto/sha256_generic.ko] undefined!
| ERROR: "__ld_r13_to_r17_ret" [crypto/sha256_generic.ko] undefined!
| ERROR: "__st_r13_to_r17" [crypto/sha256_generic.ko] undefined!
| ERROR: "__ld_r13_to_r16_ret" [crypto/sha256_generic.ko] undefined!
| ERROR: "__st_r13_to_r16" [crypto/sha256_generic.ko] undefined!
|....
|....
Workaround that by inhibiting millicode thunks for loadable modules
Fixes STAR 9000641864:
("Linux built with optimizations for size emits errors for modules")
Reported-by: Anton Kolesov <akolesov@synosys.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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The socfpga.dtsi explicitly enabled MMC support, but not all boards are
equiped with an MMC card. There are setups which only have QSPI NOR.
Therefore, disable the MMC support on socfpga.dtsi level and enable it
on per-board basis.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alan Tull <atull@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Thor Thayer <tthayer@altera.com>
Cc: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
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ARC700 cores with MMU v2 don't have IC_PTAG AUX register and so we only
define ARC_REG_IC_PTAG for MMU versions >= 3.
But current implementation of cache_line_loop_vX() routines assumes
availability of all of them (v2, v3 and v4) simultaneously.
And given undefined ARC_REG_IC_PTAG if CONFIG_MMU_VER=2 we're seeing
compilation problem:
---------------------------------->8-------------------------------
CC arch/arc/mm/cache.o
arch/arc/mm/cache.c: In function '__cache_line_loop_v3':
arch/arc/mm/cache.c:270:13: error: 'ARC_REG_IC_PTAG' undeclared (first use in this function)
aux_tag = ARC_REG_IC_PTAG;
^
arch/arc/mm/cache.c:270:13: note: each undeclared identifier is reported only once for each function it appears in
scripts/Makefile.build:258: recipe for target 'arch/arc/mm/cache.o' failed
---------------------------------->8-------------------------------
The simples fix is to have ARC_REG_IC_PTAG defined regardless MMU
version being used.
We don't use it in cache_line_loop_v2() anyways so who cares.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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| WARNING: vmlinux.o(.text+0xd6c2): Section mismatch in reference from the function alloc_kmap_pgtable() to the function
| .init.text:__alloc_bootmem_low()
The function alloc_kmap_pgtable() references the function __init __alloc_bootmem_low().
This is often because alloc_kmap_pgtable lacks a __init annotation or the annotation of __alloc_bootmem_low is wrong.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Enable TPS65217 regulator to have rootfs in MMC for Beagle Bone's.
Suggested-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Afzal Mohammed <afzal.mohd.ma@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The UniPhier SoCs support pinctrl drivers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The Linux kernel already has the concept of IRQ domain, wherein a
component can expose a set of IRQs which are managed by a particular
interrupt controller chip or other subsystem. The PCI driver exposes
the notion of an IRQ domain for Message-Signaled Interrupts (MSI) from
PCI Express devices. This patch exposes the functions which are
necessary for creating a MSI IRQ domain within a module.
[ tglx: Split it into x86 and core irq parts ]
Signed-off-by: Jake Oshins <jakeo@microsoft.com>
Cc: gregkh@linuxfoundation.org
Cc: kys@microsoft.com
Cc: devel@linuxdriverproject.org
Cc: olaf@aepfle.de
Cc: apw@canonical.com
Cc: vkuznets@redhat.com
Cc: haiyangz@microsoft.com
Cc: marc.zyngier@arm.com
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1449769983-12948-4-git-send-email-jakeo@microsoft.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Partial revert of "powerpc: Individual System V IPC system calls"
- pr_warn_once on unsupported OPAL_MSG type from Stewart
- Fix deadlock in opal-irqchip introduced by "Fix double endian
conversion" from Alistair
* tag 'powerpc-4.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/opal-irqchip: Fix deadlock introduced by "Fix double endian conversion"
powerpc/powernv: pr_warn_once on unsupported OPAL_MSG type
Partial revert of "powerpc: Individual System V IPC system calls"
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Adding the rtc platform device in non-privileged Xen PV guests causes
an IRQ conflict because these guests do not have legacy PIC and may
allocate irqs in the legacy range.
In a single VCPU Xen PV guest we should have:
/proc/interrupts:
CPU0
0: 4934 xen-percpu-virq timer0
1: 0 xen-percpu-ipi spinlock0
2: 0 xen-percpu-ipi resched0
3: 0 xen-percpu-ipi callfunc0
4: 0 xen-percpu-virq debug0
5: 0 xen-percpu-ipi callfuncsingle0
6: 0 xen-percpu-ipi irqwork0
7: 321 xen-dyn-event xenbus
8: 90 xen-dyn-event hvc_console
...
But hvc_console cannot get its interrupt because it is already in use
by rtc0 and the console does not work.
genirq: Flags mismatch irq 8. 00000000 (hvc_console) vs. 00000000 (rtc0)
We can avoid this problem by realizing that unprivileged PV guests (both
Xen and lguests) are not supposed to have rtc_cmos device and so
adding it is not necessary.
Privileged guests (i.e. Xen's dom0) do use it but they should not have
irq conflicts since they allocate irqs above legacy range (above
gsi_top, in fact).
Instead of explicitly testing whether the guest is privileged we can
extend pv_info structure to include information about guest's RTC
support.
Reported-and-tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: vkuznets@redhat.com
Cc: xen-devel@lists.xenproject.org
Cc: konrad.wilk@oracle.com
Cc: stable@vger.kernel.org # 4.2+
Link: http://lkml.kernel.org/r/1449842873-2613-1-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This patchset is the initiation version to try work
for kylin board.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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In general, the sdio/sdmmc is used by the wifi module
and sd card.
let's add the node for these function.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The pinctrl gpio pull up/down is incorrect since the rk3036 SoCs
can't set the status in the internal.
We should keep the default status for enable the gpio status,
In fact, the pull_none is the disable the gpio pull up/down.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add definitions for MERR_DPCM_DEEP_BUFFER AND PIPE_MEDIA3_IN
Add relevant cpu-dai and dai link names
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This adds a function to copy the mm->context to the paca. This is
only a basic conversion for now but will be used more extensively in
the next patch.
This also adds #ifdef CONFIG_PPC_BOOK3S around this code since it's
not used elsewhere.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Bring PAGE_{SHIFT,SIZE,MASK} to the same indentation level as the rest
of the header.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1449480268-26583-1-git-send-email-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This brings .text savings of about ~1.6K when building a tinyconfig. It
is off by default so nothing changes for the default.
Kconfig help text from Josh.
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Link: http://lkml.kernel.org/r/1449481182-27541-5-git-send-email-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Those are stupid and code should use static_cpu_has_safe() or
boot_cpu_has() instead. Kill the least used and unused ones.
The remaining ones need more careful inspection before a conversion can
happen. On the TODO.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1449481182-27541-4-git-send-email-bp@alien8.de
Cc: David Sterba <dsterba@suse.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <jbacik@fb.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Add an enum for the ->x86_capability array indices and cleanup
get_cpu_cap() by killing some redundant local vars.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1449481182-27541-3-git-send-email-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Turn the CPUID leafs which are proper CPUID feature bit leafs into
separate ->x86_capability words.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1449481182-27541-2-git-send-email-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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