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* [PATCH] ZVC/zone_reclaim: Leave 1% of unmapped pagecache pages for file I/OChristoph Lameter2006-07-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It turns out that it is advantageous to leave a small portion of unmapped file backed pages if all of a zone's pages (or almost all pages) are allocated and so the page allocator has to go off-node. This allows recently used file I/O buffers to stay on the node and reduces the times that zone reclaim is invoked if file I/O occurs when we run out of memory in a zone. The problem is that zone reclaim runs too frequently when the page cache is used for file I/O (read write and therefore unmapped pages!) alone and we have almost all pages of the zone allocated. Zone reclaim may remove 32 unmapped pages. File I/O will use these pages for the next read/write requests and the unmapped pages increase. After the zone has filled up again zone reclaim will remove it again after only 32 pages. This cycle is too inefficient and there are potentially too many zone reclaim cycles. With the 1% boundary we may still remove all unmapped pages for file I/O in zone reclaim pass. However. it will take a large number of read and writes to get back to 1% again where we trigger zone reclaim again. The zone reclaim 2.6.16/17 does not show this behavior because we have a 30 second timeout. [akpm@osdl.org: rename the /proc file and the variable] Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] SERIAL: allow shared 8250_pnp interruptsBjorn Helgaas2006-07-03
| | | | | | | | | | | | | | | | | | | PNP devices can use shared interrupts, so check to see whether we'll need SA_SHIRQ for request_irq(). The builtin PDH UART on the HP rx8640 is an example of an ACPI/PNP device that uses a shareable level-triggered, active-low interrupt. The interrupt can be shared in very large I/O configurations or by artificially lowering IA64_DEF_LAST_DEVICE_VECTOR. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Matthieu Castet <castet.matthieu@free.fr> Cc: Li Shaohua <shaohua.li@intel.com> Cc: Len Brown <len.brown@intel.com> Acked-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] PNPACPI: support shareable interruptsBjorn Helgaas2006-07-03
| | | | | | | | | | | | | | | | | | ACPI supplies a "shareable" indication, but PNPACPI ignores it. If a PNP device uses a shared interrupt, request_irq() fails because the PNP driver can't tell whether to supply SA_SHIRQ. This patch allows PNP drivers to test (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE) Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Matthieu Castet <castet.matthieu@free.fr> Cc: Li Shaohua <shaohua.li@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml build fixTheodore Tso2006-07-03
| | | | | | | | | | | This is needed to fix UML compilation given that alternatives_smp_module_add and alternatives_smp_module_del are null inline functions if !CONFIG_SMP. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] bcm43xx: netlink deadlock fixArjan van de Ven2006-07-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | reported by Jure Repinc: > > http://bugzilla.kernel.org/show_bug.cgi?id=6773 > > checked out dmesg output and found the message > > > > ====================================================== > > [ BUG: hard-safe -> hard-unsafe lock order detected! ] > > ------------------------------------------------------ > > > > starting at line 660 of the dmesg.txt that I will attach. The patch below should fix the deadlock, albeit I suspect it's not the "right" fix; the right fix may well be to move the rx processing in bcm43xx to softirq context. [it's debatable, ipw2200 hit this exact same bug; at some point it's better to bite the bullet and move this to the common layer as my patch below does] Make the nl_table_lock irq-safe; it's taken for read in various netlink functions, including functions that several wireless drivers (ipw2200, bcm43xx) want to call from hardirq context. The deadlock was found by the lock validator. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: Michael Buesch <mb@bu3sch.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Jeff Garzik <jeff@garzik.org> Acked-by: "David S. Miller" <davem@davemloft.net> Cc: jamal <hadi@cyberus.ca> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] lockdep: special s390 print_symbol() versionHeiko Carstens2006-07-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Have a special version of print_symbol() for s390 which clears the most significant bit of addr before calling __print_symbol(). This seems to be better than checking/changing each place in the kernel that saves an instruction pointer. Without this the output would look like: hardirqs last enabled at (30907): [<80018c6a>] 0x80018c6a hardirqs last disabled at (30908): [<8001e48c>] 0x8001e48c softirqs last enabled at (30904): [<8001dc96>] 0x8001dc96 softirqs last disabled at (30897): [<8001dc50>] 0x8001dc50 instead of this: hardirqs last enabled at (19421): [<80018c72>] cpu_idle+0x176/0x1c4 hardirqs last disabled at (19422): [<8001e494>] io_no_vtime+0xa/0x1a softirqs last enabled at (19418): [<8001dc9e>] do_softirq+0xa6/0xe8 softirqs last disabled at (19411): [<8001dc58>] do_softirq+0x60/0xe8 Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Arjan van de Ven <arjan@infradead.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq ia64 cleanupAndrew Morton2006-07-03
| | | | | | | | Remove duplicate/redundant/wrong IRQF_PERCPU definition. Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] time initialisation fixjohn stultz2006-07-03
| | | | | | | | | | | | | | | | | | | | We're not reay to take a timer interrupt until timekeeping_init() has run. But time_init() will start the time interrupt and if it is called with local interrupts enabled we'll immediately take an interrupt and die. Fix that by running timekeeping_init() prior to time_init(). We don't know _why_ local interrupts got enabled on Jesse Brandeburg's machine. That's a separate as-yet-unsolved problem. THe patch adds a little bit of debugging to detect that. This whole requirement that local interrupts be held off during early boot keeps on biting us. Signed-off-by: John Stultz <johnstul@us.ibm.com> Cc: Jesse Brandeburg <jesse.brandeburg@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq: Fixup ARM devel mergeThomas Gleixner2006-07-02
| | | | | | | | | ARM devel merge introduced new machine functionality which was not covered by the ARM -> genirq patches. Fix it up and make it compile again. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ARM: Fixup missing includes in arch/arm/mm/proc-<cputype>.SThomas Gleixner2006-07-02
| | | | | | | | For several proc-<cputype>.S files the include of proc-macros.S is missing. Make it compile and work again. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq:fixup missing SA_PERCPU replacementThomas Gleixner2006-07-02
| | | | | | | | The irqflags consolidation converted SA_PERCPU_IRQ to IRQF_PERCPU but did not define the new constant. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ARM: fixup irqflags breakage after ARM genirq mergeThomas Gleixner2006-07-02
| | | | | | | | | | The irgflags consolidation did conflict with the ARM to generic IRQ conversion and was not applied for ARM. Fix it up. Use the new IRQF_ constants and remove the SA_INTERRUPT define Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq: ARM dyntick cleanupThomas Gleixner2006-07-02
| | | | | | | | | | Linus: "The hacks in kernel/irq/handle.c are really horrid. REALLY horrid." They are indeed. Move the dyntick quirks to ARM where they belong. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2006-07-02
|\ | | | | | | | | | | | | | | * 'devel' of master.kernel.org:/home/rmk/linux-2.6-mmc: [MMC] sdhci: remove duplicate error message [MMC] sdhci: force DMA on some controllers [MMC] sdhci: quirk for broken reset [MMC] sdhci: Add SDHCI controller ids
| * [MMC] sdhci: remove duplicate error messagePierre Ossman2006-07-02
| | | | | | | | | | | | | | | | | | When there is remaining blocks untransferred, we get two error messages saying almost the same thing. Make sure at most one is shown. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [MMC] sdhci: force DMA on some controllersPierre Ossman2006-07-02
| | | | | | | | | | | | | | | | | | Some controllers incorrectly report that the cannot do DMA. Forcefully enable it for those that we know it works fine on. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [MMC] sdhci: quirk for broken resetPierre Ossman2006-07-02
| | | | | | | | | | | | | | | | | | Some controllers fail to complete a reset unless you touch the clock register first. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [MMC] sdhci: Add SDHCI controller idsPierre Ossman2006-07-02
| | | | | | | | | | | | | | | | Add ids for SDHCI controllers so that they can be identified for quirks. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] nfs: non-procfs build fixDominik Hackl2006-07-02
| | | | | | | | | | | | | | | | This fixes a bug in fs/nfs which makes it impossible to build nfs without having procfs enabled. Signed-off-by: Dominik Hackl <dominik@hackl.dhs.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge branch 'genirq' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-07-02
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'genirq' of master.kernel.org:/home/rmk/linux-2.6-arm: (24 commits) [ARM] 3683/2: ARM: Convert at91rm9200 to generic irq handling [ARM] 3682/2: ARM: Convert ixp4xx to generic irq handling [ARM] 3702/1: ARM: Convert ixp23xx to generic irq handling [ARM] 3701/1: ARM: Convert plat-omap to generic irq handling [ARM] 3700/1: ARM: Convert lh7a40x to generic irq handling [ARM] 3699/1: ARM: Convert s3c2410 to generic irq handling [ARM] 3698/1: ARM: Convert sa1100 to generic irq handling [ARM] 3697/1: ARM: Convert shark to generic irq handling [ARM] 3696/1: ARM: Convert clps711x to generic irq handling [ARM] 3694/1: ARM: Convert ecard driver to generic irq handling [ARM] 3693/1: ARM: Convert omap1 to generic irq handling [ARM] 3691/1: ARM: Convert imx to generic irq handling [ARM] 3688/1: ARM: Convert clps7500 to generic irq handling [ARM] 3687/1: ARM: Convert integrator to generic irq handling [ARM] 3685/1: ARM: Convert pxa to generic irq handling [ARM] 3684/1: ARM: Convert l7200 to generic irq handling [ARM] 3681/1: ARM: Convert ixp2000 to generic irq handling [ARM] 3680/1: ARM: Convert footbridge to generic irq handling [ARM] 3695/1: ARM drivers/pcmcia: Fixup includes [ARM] 3689/1: ARM drivers/input/touchscreen: Fixup includes ... Manual conflict resolved in kernel/irq/handle.c (butt-ugly ARM tickless code).
| * | [ARM] 3683/2: ARM: Convert at91rm9200 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3682/2: ARM: Convert ixp4xx to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3702/1: ARM: Convert ixp23xx to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3701/1: ARM: Convert plat-omap to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3700/1: ARM: Convert lh7a40x to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3699/1: ARM: Convert s3c2410 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3698/1: ARM: Convert sa1100 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3697/1: ARM: Convert shark to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3696/1: ARM: Convert clps711x to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3694/1: ARM: Convert ecard driver to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3693/1: ARM: Convert omap1 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3691/1: ARM: Convert imx to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3688/1: ARM: Convert clps7500 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3687/1: ARM: Convert integrator to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3685/1: ARM: Convert pxa to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3684/1: ARM: Convert l7200 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3681/1: ARM: Convert ixp2000 to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3680/1: ARM: Convert footbridge to generic irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Fixup the conversion to generic irq subsystem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3695/1: ARM drivers/pcmcia: Fixup includesThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Include the generic header file instead of the ARM specific one. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3689/1: ARM drivers/input/touchscreen: Fixup includesThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Include the generic header file instead of the ARM specific one. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3686/1: ARM: arm/common: convert irq handlingThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Convert the files in arch/arm/common to use the generic irq handling functions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3692/1: ARM: coswitch irq handling to the generic implementationThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Switch the ARM irq core handling to the generic implementation. The ARM specific header files now contain mostly migration stubs and helper macros. Note that each machine type must be converted after this step seperately. This was seperated out from the patch for easier review. The main changes for the machine type code is the conversion of the type handlers to a 'type flow' and 'chip' model. This affects only the multiplex interrupt handlers. A conversion macro needs to be added to those implementations, which defines the data structure which is registered by the set_irq_chained_handler() macro. Some minor fixups of include files and the conversion of data structure access is necessary all over the place. The mostly macro based conversion was provided to allow an easy migration of the existing implementations. The code compiles on all defconfigs available in arch/arm/configs except those which were broken also before applying the conversion patches. The code has been boot and runtime tested on most ARM platforms. The results of an extensive testing and bugfixing series can be found at: http://www.linutronix.de/index.php?page=testing Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3690/1: genirq: Introduce and make use of dummy irq chipThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> ARM has a couple of really dumb interrupt controllers. Implement a generic one and fixup the ARM migration. ARM reused the no_irq_chip for this purpose, but this does not work out for platforms which are not converted to the new interrupt type handling model. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3679/1: ARM: Make ARM dyntick implementation work with genirqThomas Gleixner2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> Make the ARM dyntick implementation work with the generic irq code. This hopefully goes away once we consolidated the dyntick implementations. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-07-02
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits) [ARM] 3541/2: workaround for PXA27x erratum E7 [ARM] nommu: provide a way for correct control register value selection [ARM] 3705/1: add supersection support to ioremap() [ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructure [ARM] 3706/2: ep93xx: add cirrus logic edb9315a support [ARM] 3704/1: format IOP Kconfig with tabs, create more consistency [ARM] 3703/1: Add help description for ARCH_EP80219 [ARM] 3678/1: MMC: Make OMAP MMC work [ARM] 3677/1: OMAP: Update H2 defconfig [ARM] 3676/1: ARM: OMAP: Fix dmtimers and timer32k to compile on OMAP1 [ARM] Add section support to ioremap [ARM] Fix sa11x0 SDRAM selection [ARM] Set bit 4 on section mappings correctly depending on CPU [ARM] 3666/1: TRIZEPS4 [1/5] core ARM: OMAP: Multiplexing for 24xx GPMC wait pin monitoring ARM: OMAP: Fix SRAM to use MT_MEMORY instead of MT_DEVICE ARM: OMAP: Update dmtimers ARM: OMAP: Make clock variables static ARM: OMAP: Fix GPMC compilation when DEBUG is defined ARM: OMAP: Mux updates for external DMA and GPIO ...
| * | | [ARM] 3541/2: workaround for PXA27x erratum E7Nicolas Pitre2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre According to the Intel PXA27x Processor Family Specification Update document (doc.nr. 280071-009) erratum E7, some care must be taken to locate the disabling and re-enabling of the MMU to the beginning of a cache line to avoid problems in some circumstances. Credits to Simon Vogl <simon.vogl@researchstudios.at> for bringing this up. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | Merge nommu branchRussell King2006-07-01
| |\ \ \
| | * | | [ARM] nommu: provide a way for correct control register value selectionRussell King2006-06-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most MMU-based CPUs have a restriction on the setting of the data cache enable and mmu enable bits in the control register, whereby if the data cache is enabled, the MMU must also be enabled. Enabling the data cache without the MMU is an invalid combination. However, there are CPUs where the data cache can be enabled without the MMU. In order to allow these CPUs to take advantage of that, provide a method whereby each proc-*.S file defines the control regsiter value for use with nommu (with the MMU disabled.) Later on, when we add support for enabling the MMU on these devices, we can adjust the "crval" macro to also enable the data cache for nommu. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | [ARM] 3705/1: add supersection support to ioremap()Lennert Buytenhek2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Analogous to the previous patch that allows ioremap() to use section mappings, this patch allows ioremap() to use supersection mappings. Original patch by Deepak Saxena. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | [ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructureLennert Buytenhek2006-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek This patch makes the iWMMXt context switch hook use the generic thread notifier infrastructure that was recently merged in commit d6551e884cf66de072b81f8b6d23259462c40baf. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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