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Signed-off-by: Paul Mackerras <paulus@samba.org>
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The merged verison of ELF_CORE_COPY_REGS is basically the PPC64 version, with
a memset that came from PPC and a few types abstracted out into #defines. But
it's not _quite_ right.
The first problem is we calculate the number of registers with:
nregs = sizeof(struct pt_regs) / sizeof(ELF_GREG_TYPE)
For a 32-bit process on a 64-bit kernel that's bogus because the registers are
64 bits, but ELF_GREG_TYPE is u32, so nregs == 88 which is wrong.
The other problem is the memset, which assumes a struct pt_regs is smaller
than a struct elf_regs. For a 32-bit process on a 64-bit kernel that's false.
The fix is to calculate the number of regs using sizeof(unsigned long), which
should always be right, and just memset the whole damn thing _before_ copying
the registers in.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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There's no reason for smp_release_cpus() to be asm, and most people can make
more sense of C code. Add an extern declaration to smp.h and remove the custom
one in machine_kexec.c
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Signed-off-by: Nathan Scott <nathans@sgi.com>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Make sure that the P_Key index passed into mthca_modify_qp() is
within the device's P_Key table.
Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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set default flags.
SGI-PV: 945242
SGI-Modid: xfs-linux-melb:xfs-kern:24292a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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Fix sparse warning about passing `0` to simple_strtoul()
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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IXDP2401 config file has wrong baudrate and both boards have 3 UARTs.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Nicolas Pitre
Using a llx format to print addresses that might possibly be (only) 36
bits wide make sense. However making it a zero padded 16 char wide
field is a bit excessive and useless.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Since we do not invalidate TLBs/caches on MM switches, we should not
clear the cpu_vm_mask for the CPU.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix hotplug of devices for ib_umad module: when a device goes away,
kill off all MAD agents for open files associated with that device,
and make sure that the device is not touched again after ib_umad
returns from its remove_one function.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The 'K' extension adds several new instructions to the ARMv6 ISA
which are primerily useful for SMP.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ld doesn't like comments starting with // in its scripts
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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register_vpa() doesn't actually do a VPA register call it just uses the flags
you pass it, so rename it to vpa_call() to be clearer.
We can then define register_vpa() and unregister_vpa() which are both simple
wrappers around vpa_call(). (we'll need unregister_vpa() for kexec soon)
We can then cleanup vpa_init(), and because vpa_init() is only called from
platforms/pseries we remove the definition in asm-ppc64/smp.h.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Mellanox has decided that the components of the firmware version are
really meant to be displayed in decimal, e.g. 0x000400070190 is
version 4.7.400. Change the format we use from "%x.%x.%x" to
"%d.%d.%d" to match this convention.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There's a few places already, and soon will be more, where we synthesise
branch instructions at runtime. Rather than doing it by hand in each case,
it would make sense to have one implementation.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Oops, replacing the two u64s in struct ipc64_perm with __u32s changed
the alignment of that structure, which could mess up userspace.
Revert to using two unsigned long longs (which is what ppc32 had
originally). ppc64 orignally had two unsigned longs, but long long is
the same size on 64 bit, so this should be ok there too.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This adds missing header and thus fix the warning issued by ming prototype.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Current comment on top of m8xx_cpm_dpinit is wrong.
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes these warnings:
Building modules, stage 2.
MODPOST
*** Warning: "__ide_mm_insl" [drivers/ide/ide-core.ko] undefined!
*** Warning: "__ide_mm_outsw" [drivers/ide/ide-core.ko] undefined!
*** Warning: "__ide_mm_insw" [drivers/ide/ide-core.ko] undefined!
*** Warning: "__ide_mm_outsl" [drivers/ide/ide-core.ko] undefined!
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Currently there is no Kconfig symbol to indicate that we want nvram
support on 64-bit kernels; it's assumed we always want it, so make
the powermac setup code always initialize the pmac nvram code if
64-bit.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The latest updates to bug.h generate build warnings in traps.c in
arch/ppc. Fix print format specifiers to account for change of line type
to long from int.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The extraction of PCI stuff from struct device_node left some false
assumptions in notifier code. As a result, dynamic add crashes when
non-PCI nodes are added. This patch fixes these assumptions.
Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Nathan Scott <nathans@sgi.com>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Signed-off-by: Nathan Scott <nathans@sgi.com>
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It is only included by signal_32.c
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Move struct ptregs32 into asm-ppc64/ppc32.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Currently we set the kernel entry point and the address of the text
section in the Makefile, using CONFIG_KERNEL_START.
But we've already got <asm/page.h> in the linker script, so we can just
use KERNELBASE directly. That means if we ever change KERNELBASE there's
one less place to change it.
And we can set the entry point with ENTRY().
There are zero differences from "readelf -a vmlinux" with or without this
patch.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Don't build ipoib_mcast_iter_ functions if CONFIG_INFINIBAND_IPOIB_DEBUG
is not enabled -- their only callers will not be built either.
Also move the prototype for ipoib_open() to ipoib.h to fix a sparse warning.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There's some debugging in prom.c that wraps nastly on 80 character
terminals, reformat it to fit.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Merge include/asm-ppc/kexec.h and include/asm-ppc64/kexec.h.
The only thing that's really changed is that we now allocate crash_notes
properly on PPC32. It's address is exported via sysfs, so it's not correct
for it to be a pointer.
I've also removed some of the "we don't use this" comments, because they're
wrong (or perhaps were referring only to arch code).
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Move plpar_wrappers.h into arch/powerpc/platforms/pseries, fixup white space,
and update callers.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Move pSeries specific code in set_dabr() into a ppc_md function, this will
allow us to keep plpar_wrappers.h private to platforms/pseries.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Make "QoS and/or fair queueing" have its own menu, it's too big to be
inlined into "Network options". Remove the obsolete NET_QOS option.
Automatically select NET_CLS if needed. Do the same for NET_ESTIMATOR
but allow it to be selected manually for statistical purposes. Add
comments to separate queueing from classification. Fix dependencies
and ordering of classifiers. Improve descriptions/help texts and
remove outdated pieces.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
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Copy default configs into arch/powerpc/configs, rename bpa_defconfig to
cell_defconfig while we're at it.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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This fixes the x86-64 find_[first|next]_zero_bit() function for the
end-of-range case. It didn't test for a zero size, and the "rep scas"
would do entirely the wrong thing.
Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This moves rtas-proc.c and rtas_flash.c into arch/powerpc/kernel, since
cell wants them as well as pseries (and chrp can use rtas-proc.c too,
at least in principle). rtas_fw.c is gone, with its bits moved into
rtas_flash.c and rtas.c.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras
Michael Ellerman
Linus Torvalds
Nathan Scott
Stephen Rothwell
Jack Morgenstein
Ben Dooks
Deepak Saxena
Russell King
Nicolas Pitre
Roland Dreier
David Gibson
Vitaly Bordug
Marcelo Tosatti
David Woodhouse
Becky Bruce
John Rose
Nathan Scott
Thomas Graf
Alexandre Oliva