| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix interrupt routing for via 586 bridges. pirq can be 5 which needs to be
mapped to INTD. But currently the access functions can handle only pirq
1-4. this is similar to the other via chipsets where pirq 4 and 5 are both
mapped to INTD. Fixes bugzilla #7490
Cc: Daniel Paschka <monkey20181@gmx.net>
Cc: Adrian Bunk <bunk@susta.de>
Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] cell: set ARCH_SPARSEMEM_DEFAULT in Kconfig
[POWERPC] Fix cell "new style" mapping and add debug
[POWERPC] pseries: Force 4k update_flash block and list sizes
[POWERPC] CPM_UART: Fix non-console initialisation
[POWERPC] CPM_UART: Fix non-console transmit
[POWERPC] Make sure initrd and dtb sections get into zImage correctly
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The current cell processor support needs sparsemem, so set it as
the default memory model.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes a typo in the "new style" code for mapping SPE resources,
which causes it to try to map the same resource 4 times.
It also adds some pr_debug's that are useful to track down issues with
the firmware when bringinh up new machines.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The enablement of 64k pages on pseries platforms exposed a bug in
the RTAS mechanism for updating firmware. RTAS assumes 4k for flash
block and list sizes, and use of any other sizes results in a failure,
even though PAPR does not specify any such requirement.
This patch changes the rtas_flash module to force the use of 4k memory
block and list sizes when preparing and sending a firmware image to
RTAS. The rtas_flash function now uses a slab cache of 4k blocks with
4k alignment, rather than get_zeroed_page(), to allocate the memory for
the flash blocks and lists. The 4k alignment requirement is specified
in PAPR.
Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The "wrapper" script was using the wrong names for the initrd and
dtb (device-tree blob) sections. This fixes it, and also ensures
the symbols for the start and end of the dtb get defined correctly.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix MSPEC driver to build for non SN2 enabled configs as the driver should
work in cached and uncached modes (no fetchop) on these systems. In
addition make MSPEC select IA64_UNCACHED_ALLOCATOR, which is required for
it and move it to arch/ia64/Kconfig to avoid warnings on non ia64
architectures running allmodconfig. Once the Kconfig code is fixed, we can
move it back.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Cc: Fernando Luis Vzquez Cao <fernando@oss.ntt.co.jp>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This refactoring actually optimizes the code a little by caching the value
that we think the device is programmed with instead of reading it back from
the hardware. Which simplifies the code a little and should speed things up a
bit.
This patch introduces the concept of a ht_irq_msg and modifies the
architecture read/write routines to update this code.
There is a minor consistency fix here as well as x86_64 forgot to initialize
the htirq as masked.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Andi Kleen <ak@suse.de>
Acked-by: Bryan O'Sullivan <bos@pathscale.com>
Cc: <olson@pathscale.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When ACPI && NUMA, pxm_to_node is used and it exists in drivers/acpi/numa.c
Tony said:
The patch makes sense ... if you pick both of "ACPI" and "NUMA", then you
need (and should automatically be given) ACPI_NUMA too.
The only open question is whether there is a better way of getting there.
Perhaps with less configuration options in the first place? We are heading
towards a future where so many systems will be NUMA that there would seem to
be little benefit in keeping ACPI_NUMA separate from ACPI ... but perhaps
we aren't quite there yet.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com>
Cc: Len Brown <lenb@kernel.org>
Acked-by: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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There are two bugs in the kretprobe-booster.
1) It doesn't make room for gs registers.
2) It doesn't change status of the current kprobe. This status will
effect the fault handling.
This patch fixes these bugs and, additionally, saves skipped registers for
compatibility with the original kretprobe.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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o Currently there is no specific alignment restriction in linker script
and in some cases it can be placed non 4K aligned addresses. This fails
kexec which checks that segment to be loaded is page aligned.
o I guess, it does not harm data segment to be 4K aligned.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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If the microcode driver is built in (rather than module) there are some,
ehm, interesting effects happening due to the new "call out to userspace"
behavior that is introduced.. and which runs too early. The result is a
boot hang; which is really nasty.
The patch below is a minimally safe patch to fix this regression for 2.6.19
by just not requesting actual microcode updates during early boot. (That
is a good idea in general anyway)
The "real" fix is a lot more complex given the entire cpu hotplug scenario
(during cpu hotplug you normally need to load the microcode as well); but
the interactions for that are just really messy at this point; this fix at
least makes it work and avoids a full detangle of hotplug.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* merom:v2.6/linux:
x86-64: write IO APIC irq routing entries in correct order
x86-64: clean up io-apic accesses
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This is the x86-64 version of f9dadfa71bc594df09044da61d1c72701121d802
that did the same thing on i386.
Since the "mask" bit is in the low word, when we write a new entry, we
need to write the high word first, before we potentially unmask it.
The exception is when we actually want to mask the interrupt, in which
case we want to write the low word first to make sure that the high word
doesn't change while the interrupt routing is still active.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is just commit 130fe05dbc0114609cfef9815c0c5580b42decfa ported to
x86-64, for all the same reasons. It cleans up the IO-APIC accesses in
order to then fix the ordering issues.
We move the accessor functions (that were only used by io_apic.c) out of
a header file, and use proper memory-mapped accesses rather than making
up our own "volatile" pointers.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This reverts commit de09bddb9d6f96785be470c832b881e6d72d589f. It tried
to reserve the MMCONFIG mmio memory ranges, but since the MMCONFIG
information is broken and often bogus (which is why we don't dare use it
most of the time _anyway_), it does more harm than good.
Cc: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: Adrian Bunk <bunk@stusta.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbglaw/vax-linux
* 'fixes_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbglaw/vax-linux:
Update for the srm_env driver.
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This patch contains a fix for a bug introduced more than a year ago
(not setting *eof) and updates whitespace a bit.
Signed-off-by: Jan-Benedict Glaw <jbglaw@lug-owl.de>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3927/1: Allow show_mem() to work with holes in memory map.
[ARM] 3926/1: make timer led handle HZ != 100
[ARM] 3923/1: S3C24XX: update s3c2410_defconfig with new drivers
[ARM] 3922/1: S3C24XX: update s3c2410_defconfig to 2.6.19-rc4
[ARM] 3921/1: S3C24XX: remove bast_defconfig
[ARM] 3920/1: S3C24XX: Remove smdk2410_defconfig
[ARM] 3919/1: Fixed definition of some PXA270 CIF related registers
[ARM] 3918/1: ixp4xx irq-chip rework
[ARM] 3912/1: Make PXA270 advertise HWCAP_IWMMXT capability
[ARM] 3915/1: S3C2412: Add s3c2410_gpio_getirq() to general gpio.c
[ARM] 3917/1: Fix dmabounce symbol exports
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show_mem() was not correctly handling holes in the memory
map. It was treating the freed sections of the map as
though they contained valid struct page entries. This
could cause incorrect debugging output or even a kernel
panic.
This patch keeps the struct meminfo around after system
initialization so that show_mem() can use it when
scanning memory. show_mem() now walks over each bank
of each online node, rather than assuming that each node
contains a single contiguous bank.
Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The timer LED is unusable at HZ=large, since it's got
a hard-wired value of 100 ticks per cycle; when HZ=1024
(for example) it's essentially always-on. This patch
just makes that be HZ ticks per cycle.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add the new drivers, such as SPI, LED and RTC core,
to the s3c2410_defconfig.
Signed-off-by: Ben Dooks <ben-linux@fluff.irg>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the s3c2410_defconfig to 2.6.19-rc4
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 the bast_defconfig, as it has not been updated
since 2.6.13. The s3c2410_defconfig should be a good
replacement.
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 the smdk2410_defconifg as it is out of data
and has not been touched since 2.6.11.
Use the s3c2410_defconfig instead.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This is a rework of the ixp4xx irq_chip implementation. The use of
two irq_chip structures and potentially switching between them is a
violation of the intended use of the IRQ framework. The current
implementation does not work with current in-kernel spinlock debugging
or lockdep due to lock recursion problems caused by calling
set_irq_chip/handler from within the chip's set_irq_type().
This patch goes back to using one irq_chip structure and handling the
differences between edge/level, normal/GPIO interrupts inside the
ack/mask/unmask routines themselves.
Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Deepak Saxena <dsaxena@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARM patch 3756/1 added HWCAP_IWMMXT. This patch adds support
for broadcasting that info via /proc/cpuinfo and sets it for
the CPU features of the PXA270.
I've booted 19rc3 on a pxa270 and confirmed that the /proc/cpuinfo
shows "iwmmxt" in the Features.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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s3c2410_gpio_getirq() holds for the S3C2412 build,
so ensure that it gets built for all the current
S3C24XX architectures
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dma_sync_single is no more (and to be removed in 2.7) so this export should be dma_sync_single_for_cpu.
Also export dma_sync_single_for_device.
Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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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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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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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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This fixes a warning on bootup warning in smp_call_function.
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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o Fix warnings
o 768MB worth of I/O ports were insane
o 64-bit kernels don't need special handling because ioremap does the magic
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/momentum/ocelot_c/setup.o
arch/mips/momentum/ocelot_c/setup.c: In function 'momenco_time_init':
arch/mips/momentum/ocelot_c/setup.c:223: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'
Change data type to match format string; a 32-bit type better suits our
needs.
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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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
AVR32: Add missing return instruction in __raw_writesb
AVR32: Wire up sys_epoll_pwait
AVR32: Fix thinko in generic_find_next_zero_le_bit()
AVR32: Get rid of board_early_init
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__raw_writesb ends with a conditional branch, which is obviously
wrong. It should return after the last loop terminates.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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The existing implementation of this function seems to be looking for
a one although it should be looking for a zero. This causes trouble
for the ext2 filesystem, which tends to report -ENOSPC without this
patch.
Fix this by complementing each word before scanning.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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board_early_init() is left over from some early prototyping work
where we had to initialize the SDRAM controller ourselves. This
depends on the kernel being loaded into static RAM, which just
isn't possible on any commercially available products today.
In order to run without a boot loader, we need to create a zImage
stub or have the debugger initialize the SDRAM for us (for really
low-level debugging)
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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setup_lowcore() calls ctl_set_bit() which returns withs interrupts
enabled. The setup arch code is not supposed to enable interrupts that
early. Therefore use the __ctl_set_bit() variant.
This fixes the not working lock dependency validator on non 64 bit
systems.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Commit 7676bef9c183fd573822cac9992927ef596d584c breaks DCSS support on
s390. DCSS needs initialized struct pages to work. With the usage of
add_active_range() only the struct pages for physically present pages
are initialized.
This could be fixed if the DCSS driver would initiliaze the struct pages
itself, but this doesn't work too. This is because the mem_map array
does not include holes after the last present memory area and therefore
there is nothing that could be initialized.
To fix this and to avoid some dirty hacks revert this patch for now.
Will be added later when we move to a virtual mem_map.
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When I added the entries for the robust futex syscall entries, I
forgot to bump NR_SYSCALLS. The current situation is error-prone
because NR_SYSCALLS lives in entry.S where the system call limit
checks are enforced. Move the definition to asm/unistd.h in order to
make this mistake much more difficult to make.
And wire up sys_migrate_pages since the powerpc folks implemented the
compat wrapper for us.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6:
PCI: Let PCI_MULTITHREAD_PROBE depend on BROKEN
PCI: Revert "PCI: i386/x86_84: disable PCI resource decode on device disable"
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