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For 32-bit processes, the getcontext side of the swapcontext system
call (i.e. the saving of the context when the first argument is
non-NULL) has to set the ctx->uc_mcontext.uc_regs pointer to the place
where it saves the registers. Which it does, but it doesn't ensure
that the pointer is 16-byte aligned. 16-byte alignment is needed
because the Altivec/VMX registers are saved in there, and they need to
be on a 16-byte boundary.
This fixes it by ensuring the appropriate alignment of the pointer.
This issue was pointed out by Jakub Jelinek.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Initialize the pci device pci channel state. This is critical
for having the pci_channel_offline() routine (in pci.h) to
function correctly.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The Efika matches chrp_probe() too, so put its own probe first to make
sure we get it right in a multiplatform build.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The patch adding support for zImage.ps3 didn't add a zImage.initrd.ps3
target causing builds of zImage.initrd to fail when ps3 is included in
the .config. The current method of generating ps3 images doesn't support
initrd's yet, so we create a dummy target that only displays a warning
message instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This is a long standing typo.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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On some oldworld PowerMacs, OF doesn't assign interrupts properly
beyond P2P bridges. Fortunately, the fix is easy as all those machines
just wire all IRQ lines together to one IRQ which is assigned to the
bridge itself. We already have a special function for parsing Apple
OldWorld interrupts which are special, so let's add to it the ability
to walk up the PCI tree to find interrupts.
This fixes irqs on the lower slots of s900 clones among others.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6
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Both CONFIG_MACH_OSIRIS and CONFIG_MACH_ANUBIS
should select CONFIG_PM_SIMTEC.
This patch moves the selection of CONFIG_PM_SIMTEC
to the machines that require it, as currently done
with other machines in the S3C2410 architecture.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the ep93xx, iop13xx, iop32x, iop33x, ixp2000, ixp23xx,
lpd270 and onearm defconfigs to 2.6.20-rc1.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Deepak Saxena has agreed to hand xsc3 maintainership over to me.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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LED 3 should have been registered with the
platform deviceid of 3, instead of 1 (which
was used for LED 1).
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* use irq_chip
* use handle_level_irq
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch add scanning of ebc bus to of_platform, which is needed
to recognize devices located on that bus.
Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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The difference between 'nid' and 'node' fields in an
spu structure was used incorrectly. The common 'node'
number now reflects the NUMA node, and it is used
in other places in the code as well.
The 'nid' value is meaningful only in one place, namely
the computation of the interrupt numbers based on the
physical location of an spu. Consequently, we look it
up directly in the place where it is used now.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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Some SPU code was a bit too convoluted and broke when adding support for
the new style device-tree, most notably the struct pages for SPEs no
longer get created. oops...
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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Don't limit spider I/O workarounds to the first two buses.
The IBM Cell blade has three of them (one PCI, two PCIe)
and we want to handle them all.
Signed-off-by: Jens Osterkamp <jens@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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New options appeared in the kernel, and new hardware became
available for us to use.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] longhaul compile fix.
[CPUFREQ] Advise not to use longhaul on VIA C7.
[CPUFREQ] set policy->curfreq on initialization
[CPUFREQ] Trivial cleanup for acpi read/write port in acpi-cpufreq.c
[CPUFREQ] fixes typo in cpufreq.c
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Recent workqueue changes basically make this a formal requirement.
Also, move atomic32.o from lib-y to obj-y since it exports symbols
to modules.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch adds ifdefs around per cpu definitions. Otherwise, if
not all cpu types are selected, the kernel does not link.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The struct resource 'end' field is inclusive, the iop13xx flash
setup code got this wrong.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The phys_io/io_pg_offst machine record variables were being set
to bogus values, causing problems when enabling DEBUG_LL.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add HWCAP_CRUNCH so that the dynamic linker knows whether it can
use Crunch-optimised libraries or not.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix up the CONFIG_PM mixups in arch/arm/mach-s3c2410/Kconfig
causing CONFIG_S3C2410_PM and CONFIG_PM_H1940 to get enabled
permanently.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move adjust_cr() into arch/arm/mm/mmu.c, and move irqflags.h to
a more appropriate place in the header file.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some gcc's are more anal than others about empty switch labels.
error: label at end of compound statement
Signed-off-by: Dave Jones <davej@redhat.com>
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C7's are centrino speedstep-alike.
Signed-off-by: Dave Jones <davej@redhat.com>
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Clean the includes in arch/arm/mach-s3c2410/s3c2440.c
and arch/arm/mach-s3c2410/s3c2442.c which should have
been pruned when these where split and updated.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove old changelog entries in arch/arm/mach-s3c2410
which should be available from the version control
system.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Change the include/asm-arm/arch-s3c2410/regs-serial.h
platform data to use the prorper type (upf_t) for the
uart_flags.
Fix all the other parts of arch/arm/mach-s3c2410 to
include <linux/serial_core.h> and all other uses of
the include file.
mach-rx3715.c:101:18: warning: incorrect type in initializer (different base types)
mach-rx3715.c:101:18: expected unsigned long [unsigned] uart_flags
mach-rx3715.c:101:18: got restricted unsigned int [usertype] [force] <noident>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove warning from s3c2410_pm_resume() not being
declared by making it static.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix the following sparse errors in arch/arm/mach-s3c2410
by fixing the include paths and making un-exported items
static.
s3c2410-clock.c:206:12: warning: symbol 's3c2410_baseclk_add' was not declared. Should it be static?
s3c2412-clock.c:559:17: warning: symbol 'clks_src' was not declared. Should it be static?
s3c2412-clock.c:622:12: warning: symbol 'clks' was not declared. Should it be static?
s3c2412-clock.c:630:12: warning: symbol 's3c2412_baseclk_add' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove old (and non-shared) VA addresses from the mappings
in arch/arm/mach-s3c2410/map.h and anywhere they are being
mapped in arch/arm/mach-s3c2410
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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arch/arm/mach-s3c2410/s3c2442-clock.c
Fix sparse errors in arch/arm/mach-s3c2410/s3c2442-clock.c
warning: symbol 'clk_h' shadows an earlier one
warning: symbol 'clk_p' shadows an earlier one
warning: symbol 'clk_upll' shadows an earlier one
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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arch/arm/mach-s3c2410/s3c2440-clock.c
Fix the sparse errors in arch/arm/mach-s3c2410/s3c2440-clock.c
warning: symbol 'clk_h' shadows an earlier one
warning: symbol 'clk_p' shadows an earlier one
warning: symbol 'clk_upll' shadows an earlier one
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix the copyright messages in arch/arm/mach-s3c2410
to actually have `Copyright` in the line.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We need to ensure that the area size is page aligned so that
remap_area_pte() doesn't increment the address past the end of
the desired area.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Check the correct variable and set policy->cur upon acpi-cpufreq
initialization to allow the userspace governor to be used as default.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Acked-by: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Use struct irq_chip instead of hw_interrupt_type.
Delete hw_resend_irq(), totally unused.
Signed-off-by: David S. Miller <davem@davemloft.net>
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It branches around some necessary prom calls, which we would
need to do even if we are mapped at the correct location already.
So it doesn't work.
The idea was that this sort of thing could be used for the eventual
kexec implementation, but it is clear that this will need to be
done differently.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add:
sys_unshare
sys_set_robust_list
sys_get_robust_list
sys_splice
sys_arm_sync_file_range
sys_tee
sys_vmsplice
sys_move_pages
sys_getcpu
Special note about sys_arm_sync_file_range(), which is implemented as:
asmlinkage long sys_arm_sync_file_range(int fd, unsigned int flags,
loff_t offset, loff_t nbytes)
{
return sys_sync_file_range(fd, offset, nbytes, flags);
}
We can't export sys_sync_file_range() directly on ARM because the
argument list someone picked does not fit in the available registers.
Would be nice if... there was an arch maintainer review mechanism for
new syscalls before they hit the kernel.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Conflicts:
drivers/acpi/ec.c
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: css_register_subchannel race.
[S390] Save prefix register for dump on panic
[S390] Fix reboot hang
[S390] Fix reboot hang on LPARs
[S390] sclp_cpi module license.
[S390] zcrypt: module unload fixes.
[S390] Hipersocket multicast queue: make sure outbound handler is called
[S390] hypfs fixes
[S390] update default configuration
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It has caused more problems than it ever really solved, and is
apparently not getting cleaned up and fixed. We can put it back when
it's stable and isn't likely to make warning or bug events worse.
In the meantime, enable frame pointers for more readable stack traces.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The dump tools expect that the saved prefix register points to the
lowcore of the dump cpu. Since we set the prefix register to 0 during
reipl/dump, we have to save the original prefix register. Before we
start the dump program, we copy the original prefix register to the
designated location in the lowcore.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We use printks after shutting down all other cpus. This is not allowed
and can lead to deadlocks. Therefore the printks have to be removed.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Reboot hangs on LPARs without diag308 support. The reason for this is,
that before the reboot is done, the channel subsystem is shut down.
During the reset on each possible subchannel a "store subchannel" is
done. This operation can end in a program check interruption, if the
specified subchannel set is not implemented by the hardware. During
the reset, currently we do not have a program check handler, which
leads to the described kernel bug. We install now a new program check
handler for the reboot code to fix this problem.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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