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The PCI/MSI irq chip callbacks mask/unmask_msi_irq have been renamed
to pci_msi_mask/unmask_irq to mark them PCI specific. Rename all usage
sites. The conversion helper functions are kept around to avoid
conflicts in next and will be removed after merging into mainline.
Coccinelle assisted conversion. No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: x86@kernel.org
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mohit Kumar <mohit.kumar@st.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Yijing Wang <wangyijing@huawei.com>
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Rename write_msi_msg() to pci_write_msi_msg() to mark it as PCI
specific.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Conflicts:
drivers/net/ieee802154/fakehard.c
A bug fix went into 'net' for ieee802154/fakehard.c, which is removed
in 'net-next'.
Add build fix into the merge from Stephen Rothwell in openvswitch, the
logging macros take a new initial 'log' argument, a new call was added
in 'net' so when we merge that in here we have to explicitly add the
new 'log' arg to it else the build fails.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fix spelling typo in printk and Kconfig within
various part of kernel sources.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Implement the microMIPS encoding of the J instruction for the purpose of
the static keys feature, fixing a crash early on in bootstrap as the
kernel is unhappy seeing the ISA bit set in jump table entries. Make
sure the ISA bit correctly reflects the instruction encoding chosen for
the kernel, 0 for the standard MIPS and 1 for the microMIPS encoding.
Also make sure the instruction to patch is a 32-bit NOP in the microMIPS
mode as by default the 16-bit short encoding is assumed
Signed-off-by: Maciej W. Rozycki <macro@codesourcery.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8516/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Correct the check for the span of the 256MB segment addressable by the J
instruction according to this instruction's semantics. The calculation
of the jump target is applied to the address of the delay-slot
instruction that immediately follows. Adjust the check accordingly by
adding 4 to `e->code' that holds the address of the J instruction
itself.
Signed-off-by: Maciej W. Rozycki <macro@codesourcery.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8515/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This wasn't happening in all cases.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit cf62a8b8134dd3 ("MIPS: lib: memcpy: Use macro to build the
copy_user code") switched to a macro in order to build the memcpy
symbols in preparation for the EVA support. However, this commit
also removed the NOP instruction after the 'jr ra' when returning
back to the caller. This had no visible side-effects since the next
instruction was a load to the t0 register which was already in the
clobbered list, but it may have undesired effects in the future
if some other code is introduced in between the .Ldone and
the .Ll_exc_copy labels.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.15+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8512/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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HTW needs to stop and start again whenever the EntryHI register
changes otherwise an inflight HTW operation might use the new
EntryHI register for updating an old entry and that could lead
to crashes or even a machine check exception. We fix this by
ensuring the HTW has stop whenever the EntryHI register is about
to change
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.17+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8511/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When EVA is turned on and prefetching is being used in memcpy.S,
the v1 register is being used as a helper register to the PREFE
instruction. However, v1 ($3) was not in the clobber list, which
means that the compiler did not preserve it across function calls,
and that could corrupt the value of the register leading to all
sorts of userland crashes. We fix this problem by using the
DADDI_SCRATCH macro to define the clobbered register when
CONFIG_EVA && CONFIG_CPU_HAS_PREFETCH are enabled.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.15+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8510/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fix incorrect cast that always results in wrong address for the new
frame on 64-bit kernels.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nsn.com>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8110/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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In CPU manual Loongson-3 is MIPS64R2 compatible, but during tests we
found that its EI/DI instructions have problems. So we just set the ISA
level to MIPS64R1.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/8320/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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All Loongson-2/3 processors support _CACHE_UNCACHED_ACCELERATED, not
only Loongson-3A.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/8319/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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export the __node_distances symbol in the ip27 memory code to fix the
build error:
Building modules, stage 2.
MODPOST 311 modules
ERROR: "__node_distances" [drivers/block/nvme.ko] undefined!
scripts/Makefile.modpost:90: recipe for target '__modpost' failed
when building the kernel with:
CONFIG_SGI_IP27=y
CONFIG_BLK_DEV_NVME=m
Signed-off-by: James Cowgill <James.Cowgill@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.15+
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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export the __node_distances symbol in the loongson3 numa code to fix the
build error:
Building modules, stage 2.
MODPOST 221 modules
ERROR: "__node_distances" [drivers/block/nvme.ko] undefined!
scripts/Makefile.modpost:90: recipe for target '__modpost' failed
when building the kernel with:
CONFIG_CPU_LOONGSON3=y
CONFIG_NUMA=y
CONFIG_BLK_DEV_NVME=m
Signed-off-by: James Cowgill <James.Cowgill@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.17+
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Cc: linux-mips@linux-mips.org
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Patchwork: https://patchwork.linux-mips.org/patch/8444/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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New fields about bound violation are added into general struct
siginfo. This will impact MIPS and IA64, which extend general
struct siginfo. This patch syncs this struct for MIPS with
general version.
Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Cc: Dave Hansen <dave@sr71.net>
Link: http://lkml.kernel.org/r/20141114151820.F7EDC3CC@viggo.jf.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Conflicts:
drivers/net/ethernet/chelsio/cxgb4vf/sge.c
drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
sge.c was overlapping two changes, one to use the new
__dev_alloc_page() in net-next, and one to use s->fl_pg_order in net.
ixgbe_phy.c was a set of overlapping whitespace changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only place where the time is invalid is when the ACPI_CSTATE_FFH entry
method is not set. Otherwise for all the drivers, the time can be correctly
measured.
Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers
for all the states, just invert the logic by replacing it by the flag
CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle
driver, remove the former flag from all the drivers and invert the logic with
this flag in the different governor.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Alternative to RPS/RFS is to use hardware support for multiple
queues.
Then split a set of million of sockets into worker threads, each
one using epoll() to manage events on its own socket pool.
Ideally, we want one thread per RX/TX queue/cpu, but we have no way to
know after accept() or connect() on which queue/cpu a socket is managed.
We normally use one cpu per RX queue (IRQ smp_affinity being properly
set), so remembering on socket structure which cpu delivered last packet
is enough to solve the problem.
After accept(), connect(), or even file descriptor passing around
processes, applications can use :
int cpu;
socklen_t len = sizeof(cpu);
getsockopt(fd, SOL_SOCKET, SO_INCOMING_CPU, &cpu, &len);
And use this information to put the socket into the right silo
for optimal performance, as all networking stack should run
on the appropriate cpu, without need to send IPI (RPS/RFS).
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Starting with version 2.24.51.20140728 MIPS binutils complain loudly
about mixing soft-float and hard-float object files, leading to this
build failure since GCC is invoked with "-msoft-float" on MIPS:
{standard input}: Warning: .gnu_attribute 4,3 requires `softfloat'
LD arch/mips/alchemy/common/built-in.o
mipsel-softfloat-linux-gnu-ld: Warning: arch/mips/alchemy/common/built-in.o
uses -msoft-float (set by arch/mips/alchemy/common/prom.o),
arch/mips/alchemy/common/sleeper.o uses -mhard-float
To fix this, we detect if GAS is new enough to support "-msoft-float" command
option, and if it does, we can let GCC pass it to GAS; but then we also need
to sprinkle the files which make use of floating point registers with the
necessary ".set hardfloat" directives.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Cc: Markos Chandras <Markos.Chandras@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/8355/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Virtual page number of R3000 in entryhi is 20 bit from MSB. But in
dump_tlb(), the bit mask to read it from entryhi is 19 bit (0xffffe000).
The patch fixes that to 0xfffff000.
Signed-off-by: Isamu Mogi <isamu@leafytree.jp>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8290/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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We were returning maxlen like the userland strnlen if no '\0' character
was encountered while the kernel version is expected to return a value
larger than maxlen. Fixed to return maxlen + 1.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
Remove all .owner fields from platform drivers
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Even if CMA is disabled, the for_each_memblock macro expands
to run reserve_bootmem once. Hence, reserve_bootmem attempts to
reserve location 0 of size 0.
Add a check to avoid that.
Issue was highlighted during testing with EVA enabled.
resrve_bootmem used to exit gracefully when passed arguments to
reserve 0 size location at 0 without EVA.
But with EVA enabled, macros would point to different addresses
and the code would trigger a BUG.
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Tested-by: Markos Chandras <markos.chandras@imgtec.com>
Tested-by: Huacai Chen <chenhc@lemote.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8231/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit 465665f78a7 ("mips: Kill pointless destroy_irq()") removed
the destroy_irq(). So remove the leftover one in xlp_setup_msix()
to fix build error.
arch/mips/pci/msi-xlp.c: In function 'xlp_setup_msix':
arch/mips/pci/msi-xlp.c:447:3: error: implicit declaration of function 'destroy_irq'..
cc1: some warnings being treated as errors
make[1]: *** [arch/mips/pci/msi-xlp.o] Error 1
make: *** [arch/mips/pci/] Error 2
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Xinwei Hu <huxinwei@huawei.com>
Cc: Wuyun <wuyun.wu@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arch@vger.kernel.org
Cc: arnab.basu@freescale.com
Cc: Bharat.Bhushan@freescale.com
Cc: x86@kernel.org
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xenproject.org
Cc: Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org
Cc: linux-mips@linux-mips.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-ia64@vger.kernel.org
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Liviu Dudau <liviu@dudau.co.uk>
Patchwork: https://patchwork.linux-mips.org/patch/8087/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Make Octeon GPIO IRQ chip CPU hotplug-aware
Seems that irq_cpu_offline callbacks were forgotten in v1 and v2 CIU
GPIO chips. There is such a callback for octeon_irq_chip_ciu2_gpio,
covering CIU2 chips. Without this callback GPIO IRQs are not being migrated
during core offlining. Patch is tested on Octeon II.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nsn.com>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8201/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This isn't a module and shouldn't be one.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A platform driver for which nothing ever registers the corresponding
platform device.
Also it was driving the same hardware as sead3-i2c-drv.c so redundant
anyway and couldn't co-exist with that driver because each of them was
using a private spinlock to protect access to the same hardware
resources.
This also fixes a randconfig problem:
arch/mips/mti-sead3/sead3-pic32-i2c-drv.c: In function 'i2c_platform_probe':
arch/mips/mti-sead3/sead3-pic32-i2c-drv.c:345:2: error: implicit declaration of
function 'i2c_add_numbered_adapter' [-Werror=implicit-function-declaration]
ret = i2c_add_numbered_adapter(&priv->adap);
^
arch/mips/mti-sead3/sead3-pic32-i2c-drv.c: In function
'i2c_platform_remove':
arch/mips/mti-sead3/sead3-pic32-i2c-drv.c:361:2: error: implicit declaration
of function 'i2c_del_adapter' [-Werror=implicit-function-declaration]
i2c_del_adapter(&priv->adap);
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Code before the .fixup section needs to have the .insn directive.
This has no side effects on MIPS32/64 but it affects the way microMIPS
loads the address for the return label.
Fixes the following build problem:
mips-linux-gnu-ld: arch/mips/built-in.o: .fixup+0x4a0: Unsupported jump between
ISA modes; consider recompiling with interlinking enabled.
mips-linux-gnu-ld: final link failed: Bad value
Makefile:819: recipe for target 'vmlinux' failed
The fix is similar to 1658f914ff91c3bf ("MIPS: microMIPS:
Disable LL/SC and fix linker bug.")
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8117/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When CONFIG_MIPS_MT_SMP is enabled, the following compilation error
occurs:
arch/mips/pmcs-msp71xx/msp_irq_cic.c:134: error: ‘irq’ undeclared
This code clearly never saw a compiler.
The surrounding code suggests, that 'd->irq' was intended, not
'irq'.
This error was found with vampyr.
Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de>
Fixes: d7881fbdf866d7d0 ("MIPS: msp71xx: Convert to new irq_chip functions")
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8116/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The malta-amon.c file provides functions to access the YAMON Monitoring
interface to bring up secondary VPEs in case of SMP/CMP. As a
result of which, there is no need to build it if CMP is not used.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/7993/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The no-op cases of cop2_save & cop2_restore lead to the following
warnings being emitted during build with recent versions of gcc (tested
using gcc 4.8.3 from the Mentor Sourcery CodeBench 2014.05 toolchain):
In file included from ./arch/mips/include/asm/switch_to.h:18:0,
from kernel/sched/core.c:78:
kernel/sched/core.c: In function 'finish_task_switch':
include/asm-generic/current.h:6:45: warning: value computed is not used [-Wunused-value]
#define get_current() (current_thread_info()->task)
^
./arch/mips/include/asm/cop2.h:48:32: note: in definition of macro 'cop2_restore'
#define cop2_restore(r) do { (r); } while (0)
^
include/asm-generic/current.h:7:17: note: in expansion of macro 'get_current'
#define current get_current()
^
./arch/mips/include/asm/switch_to.h:114:16: note: in expansion of macro 'current'
cop2_restore(current); \
^
kernel/sched/core.c:2225:2: note: in expansion of macro 'finish_arch_switch'
finish_arch_switch(prev);
^
Avoid the warning by "using" the value by casting to void.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7880/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The MIPS_CPS_PM and MIPS_CPS_CPUIDLE implementation should depend
on the MIPS_CPS symbol to avoid the following build problem
arch/mips/kernel/pm-cps.c: In function 'cps_pm_enter_state':
arch/mips/kernel/pm-cps.c:164:26: error: 'cpu_coherent_mask' undeclared
(first use in this function)
cpumask_clear_cpu(cpu, &cpu_coherent_mask);
^
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/7798/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The __pastwait symbol was only used by the address_is_in_r4k_wait_irqoff
function but this is no longer used since the SMTC removal in commit
b633648c5ad3 ('MIPS: MT: Remove SMTC support'). That symbol also led to
build failures under certain random configuration due to the way the
compiler compiled the r4k_wait_irqoff function. If that function was
called multiple times, the __pastwait symbol was redefined breaking the
build like this:
CHK include/generated/compile.h
CC arch/mips/kernel/idle.o
{standard input}: Assembler messages:
{standard input}:527: Error: symbol `__pastwait' is already defined
Link: http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1244879922.24479.30.camel%40falcon
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/7791/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fixes the following randconfig build problem:
arch/mips/built-in.o: In function `show_cpuinfo':
proc.c:(.text+0xde84): undefined reference to `get_system_type'
arch/mips/built-in.o: In function `sb1250_setup':
(.init.text+0x428): undefined reference to `get_system_type'
arch/mips/built-in.o: In function `setup_arch':
(.init.text+0x178c): undefined reference to `plat_mem_setup'
Makefile:930: recipe for target 'vmlinux' failed
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8106/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit a79ebea62010 (MIPS: ptrace: Fix user pt_regs definition,
use in ptrace_{get, set}regs()) converted struct pt_regs to use __u64.
Some userspace applications (e.g. GDB) include this file directly,
and fail to see this type. Fix by including <linux/types.h>.
The patch fixes the following build failure with GDB 7.8 when using
GLIBC headers created against Linux 3.17:
In file included from /home/aaro/los/work/shared/gdb-7.8/gdb/mips-linux-nat.c:37:0:
/home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:32:2: error: unknown type name '__u64'
__u64 regs[32];
^
/home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:35:2: error: unknown type name '__u64'
__u64 lo;
^
/home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:36:2: error: unknown type name '__u64'
__u64 hi;
^
Fixes: a79ebea62010 ("MIPS: ptrace: Fix user pt_regs definition, use in ptrace_{get, set}regs()")
Cc: stable@vger.kernel.org # 3.17
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Alex Smith <alex@alex-smith.me.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8067/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When CONFIG_PCI is disabled, 'db120_pci_init()' had a different
signature than when was enabled. Therefore, compilation failed when
CONFIG_PCI was not present.
arch/mips/ath79/mach-db120.c:132: error: too many arguments to function 'db120_pci_init'
This error was found with vampyr.
Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: geert@linux-m68k.org
Patchwork: https://patchwork.linux-mips.org/patch/8119/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When CONFIG_MIPS_MT is defined, code is enabled that tries to call
'set_vi_handler()'. This function is declared in <asm/setup.h> but the
header is never included. Therefore, the compilation breaks.
arch/mips/pmcs-msp71xx/msp_irq.c:133: error: implicit declaration of function 'set_vi_handler'
This error was found with vampyr.
Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: ryazanov.s.a@gmail.com
Patchwork: https://patchwork.linux-mips.org/patch/8122/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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There is no reason to have the kernel to append commands when running
under the simulator, the simulator is perfectly capable of supplying
the necessary command line arguments. Furthermore, if the simulator
needs something different than what is hard coded in the kernel, it
cannot get it if the kernel overrides it.
Fix/Simplify the whole thing by removing this bit.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8152/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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In commit 8393c524a25609 (MIPS: tlbex: Fix a missing statement for
HUGETLB), the TLB Refill handler was fixed so that non-OCTEON targets
would work properly with huge pages. The change was incorrect in that
it broke the OCTEON case.
The problem is shown here:
xxx0: df7a0000 ld k0,0(k1)
.
.
.
xxxc0: df610000 ld at,0(k1)
xxxc4: 335a0ff0 andi k0,k0,0xff0
xxxc8: e825ffcd bbit1 at,0x5,0x0
xxxcc: 003ad82d daddu k1,at,k0
.
.
.
In the non-octeon case there is a destructive test for the huge PTE
bit, and then at 0, $k0 is reloaded (that is what the 8393c524a25609
patch added).
In the octeon case, we modify k1 in the branch delay slot, but we
never need k0 again, so the new load is not needed, but since k1 is
modified, if we do the load, we load from a garbage location and then
get a nested TLB Refill, which is seen in userspace as either SIGBUS
or SIGSEGV (depending on the garbage).
The real fix is to only do this reloading if it is needed, and never
where it is harmful.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8151/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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During 3.16 merge window, parts of the commit 8e8acb32960f
(MIPS/loongson2_cpufreq: Fix CPU clock rate setting) seem to have
been deleted probably due to a mismerge, and as a result cpufreq
is broken again on Loongson2 boards in 3.16 and newer kernels.
Fix by repeating the fix.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: stable@vger.kernel.org # 3.16
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7835/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Sanity check on resource happening with devm_ioremap_resource()
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Varka Bhadram <varkab@cdac.in>
Patchwork: https://patchwork.linux-mips.org/patch/8199/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The picvue_proc.c file creates the /proc interface for the PICVUE LCD
display driver. As a result of which, it needs to depend on the PROC_FS
symbol to avoid build problems like the following one when
CONFIG_PROC_FS is not enabled.
arch/mips/lasat/picvue_proc.c:26:14: error: 'pvc_linename'
defined but not used [-Werror=unused-variable]
static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
^
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8174/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit 08a07904e1828 ("MIPS: math-emu: Remove most ifdefery") removed
the #ifdef ISA conditions and switched to runtime detection. However,
according to the instruction set manual, the cop1x_op instructions are
available in >=MIPS32r2 as well. This fixes a problem on MIPS32r2
with the ntpd package which failed to execute with a SIGILL exit code due
to the fact that a madd.d instruction was not being emulated.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Fixes: 08a07904e1828 ("MIPS: math-emu: Remove most ifdefery")
Cc: <stable@vger.kernel.org> # v3.16+
Cc: linux-mips@linux-mips.org
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/8173/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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