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* [PATCH] Fix race condition in hvc console.Michal Ostrowski2006-02-23
| | | | | | | | | | | | | | | tty_schedule_flip() would schedule a thread that would call flush_to_ldisc(). If tty_buffer_request_room() gets called prior to that thread running -- which is likely in this loop in hvc_poll(), it would set the active flag in the tty buffer and consequently flush_to_ldisc() would ignore it. The result is that input on the hvc console is not processed. This fix calls tty_flip_buffer_push (and flags the tty as "low_latency"). The push to the ldisc thus happens synchronously. Signed-off-by: Michal Ostrowski <mostrows@watson.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Don't re-assign PCI resources on MapleSegher Boessenkool2006-02-23
| | | | | | | | | Maple firmware does not need PCI resource allocation, and in fact, it can cause problems in some strange cases. Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Fix some MPIC + HT APIC bugletsSegher Boessenkool2006-02-23
| | | | | | | | | | | Do disable, not enable, the HT APIC IRQ in the function that is supposed to. Enable the MPIC IRQ before enabling the downstream APIC IRQ, avoids potentially losing an interrupt. Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Update {g5,pseries,ppc64}_defconfigOlof Johansson2006-02-23
| | | | | | | | | | | | Update defconfigs for g5, pseries and generic ppc64. Default choices for everything, with the following exceptions: * Enable WINDFARM_PM112 on g5 and ppc64. * Increase CONFIG_NR_CPUS to 4 in g5_defconfig * CONFIG_TIGON3=y instead of =m in g5_defconfig Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc64: remove broken/bitrotted HMT supportAnton Blanchard2006-02-23
| | | | | | | | | | | HMT support is currently broken and needs to be reworked to play nicely with the SMT scheduler. Remove the bit rotten bits for the time being. I also updated an incorrect comment, we enter __secondary_hold with the physical cpu id in r3. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Fix runlatch performance issuesAnton Blanchard2006-02-23
| | | | | | | | | | | | | | The runlatch SPR can take a lot of time to write. My original runlatch code would set it on every exception entry even though most of the time this was not required. It would also continually set it in the idle loop, which is an issue on an SMT capable processor. Now we cache the runlatch value in a threadinfo bit, and only check for it in decrementer and hardware interrupt exceptions as well as the idle loop. Boot on POWER3, POWER5 and iseries, and compile tested on pmac32. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc64: fix spinlock recursion in native_hpte_clearR Sharada2006-02-23
| | | | | | | | | | native_hpte_clear has a spinlock recursion problem with the native_tlbie_lock being called twice, once in native_hpte_clear() and once within tlbie(). Fix the problem by changing the call to tlbie() in native_hpte_clear() to __tlbie(). It still supports only 4k pages for now. Signed-off-by: R Sharada <sharada@in.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: disable OProfile for iSeriesKelly Daly2006-02-23
| | | | | | | | Disable OProfile in Kconfig for iSeries to prevent hangs. OProfile was not originally intended to work with legacy iSeries. Signed-off-by: Kelly Daly <kelly@au.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Enable coherency for all pages on 83xx to fix PCI data ↵Kumar Gala2006-02-23
| | | | | | | | | | | | corruption On the 83xx platform to ensure the PCI inbound memory is handled properly we have to turn on coherency for all pages in the MMU. Otherwise we see corruption if inbound "prefetching/streaming" is enabled on the PCI controller. Signed-off-by: Randy Vinson <rvinson@mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: fix altivec_unavailable_exception OopsesAlan Curry2006-02-23
| | | | | | | | | | | | | altivec_unavailable_exception is called without setting r3... it looks like the r3 that actually gets passed in as struct pt_regs *regs is the undisturbed value of r3 at the time the altivec instruction was encountered. The user actually gets to choose the pt_regs printed in the Oops! This fixes the oops by passing the correct pt_regs pointer to altivec_unavailable_exception. Signed-off-by: Alan Curry <pacman@TheWorld.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Trivial fix to set the proper timeout value for kdumpHaren Myneni2006-02-23
| | | | | | | | | | The panic CPU is waiting forever due to some large timeout value if some CPU is not responding to an IPI. This patch fixes the problem - the maximum waiting period will be 10 seconds and then the kdump boot will go ahead. Signed-off-by: Haren Myneni <haren@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc: fix adb breakage in xmonOlaf Hering2006-02-23
| | | | | | | | Fix up xmon compilation after the last change. Remove lots of dead code, all the pmac and chrp support is in arch/powerpc Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Only calculate htab_size in one place for kexecMichael Ellerman2006-02-23
| | | | | | | | | | | | | | | | | For kexec we need to know the size of the MMU hash table. Currently we calculate the size once in the htab code, and then twice more in the kexec code, once using htab_hash_mask and once using ppc64_pft_size. On some machines the ppc64_pft_size calculation is broken because ppc64_pft_size is not set. So we need to fix the second calculation, but better still we should just calculate the size once and use it everywhere else. Tested on Power5 LPAR, Power4 non-LPAR and Power3. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Initialise hvlpevent_queue.lock correctlyMichael Ellerman2006-02-23
| | | | | | | | | When I changed the hvlpevent_queue code to use a spinlock instead of a custom atomic (719d1cd86780c156f954fc34f34481adac197aec) I didn't initialise the lock anywhere, oops. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2006-02-22
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| * [SCSI] esp: fix eh lockingChristoph Hellwig2006-02-22
| | | | | | | | | | | | | | | | esp_reset didn't get fixed when the EH locking changed. ->eh_bus_reset_handler is now called without the host lock held. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-02-22
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| * | [ARM] 3347/1: Bugfix for ixp4xx_set_irq_type()Mårten Wikström2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Mårten Wikström This patch fixes a bug in ixp4xx_set_irq_type() which leads to GPIO being incorrectly set to both edge triggered for raising as well as falling edge interrupt types. See the previous discussion on patch 3312/1. Signed-off-by: Mårten Wikström <marten.wikstrom@passito.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3325/2: GPIO function to control multi-drive (open collector) capabilityAndrew Victor2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Andrew Victor This patch adds the at91_set_multi_drive() function to enable/disable the multi-drive (open collector) pin capability on the AT91RM9200 processor. This is necessary to fix the UDC (USB Gadget) driver for the AT91RM9200 board as it will not allow the board reset line to be pulled low if the pullup is not driven as an open collector output as the boards are wired to the USB connector on both the DK/EK. This version of the patch updates it to 2.6.16-rc4. Orignal patch by Jeff Warren. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] CONFIG_CPU_MPCORE -> CONFIG_CPU_32v6KRussell King2006-02-22
| | | | | | | | | | | | | | | | | | | | | CONFIG_CPU_MPCORE has never been a configuration symbol - it should be CONFIG_CPU_32v6K. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3345/1: Fix interday RTC alarmsUli Luckas2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Uli Luckas This is a bugfix. The comment in arch/arm/common/rtctime.c explains it: * FIXME: for now, we just copy the alarm time because we're lazy (and * is therefore buggy - setting a 10am alarm at 8pm will not result in * the alarm triggering.) This patch adds one day to the alarm iff the alarm wrapped beyond midnight and therefore appears to be in the past. Signed-off-by: Uli Luckas <u.luckas@road-gmbh.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3344/1: NSLU2: beeper supportAlessandro Zummo2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Alessandro Zummo This patch adds support for the beeper embedded in the NSLU2 to the machine setup code. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3343/1: NAS100d: Fix incorrect I2C pin assignmentAlessandro Zummo2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Alessandro Zummo The I2C pin assignment for the Iomega NAS100d board was incorrect. This patch fixes it. The correct assignment has now been tested using the new RTC class and a new driver for the RTC on the NAS100d. Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3342/1: NSLU2: Protect power button init routine with machine_is_nslu2()Alessandro Zummo2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Alessandro Zummo The power button exit routine for the Linksys NSLU2 was not protected by a machine_is_nslu2(). This patch fixes it. Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3340/1: Fix the PCI setup for direct master access to SDRAMCatalin Marinas2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Catalin Marinas The initial code did not configure the inbound memory windows for direct master access to the SDRAM. This patch creates a 1:1 mapping between the Versatile/PB PCI memory windows and its SDRAM. Note that an updated FPGA image is needed for Versatile/PB since the original windows were 1MB and not able to cover the whole SDRAM (now extended to 256MB). The patch also fixes the PCI IRQ mapping for slot #2. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Update mach-typesRussell King2006-02-22
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Add panic-on-oops supportRussell King2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | Although you could ask the kernel for panic-on-oops, it remained non-functional because the architecture specific code fragment had not been implemented. Add it, so it works as advertised. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2006-02-22
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| * | | [MMC] Fix mmc_cmd_type() maskRussell King2006-02-22
| |/ / | | | | | | | | | | | | | | | It's MMC_CMD_MASK not MMC_CMD_TYPE. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | / [PATCH] CIFS: CIFSSMBRead was returning an invalid pointer in buf on socket ↵Steve French2006-02-22
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | error Thanks to Adrian Bunk for debugging the problem and to Shaggy for helping find the solution. Also added a fix for 64K pages we found in loosely-related testing Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds2006-02-22
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| * | Revert mount/umount uevent removalGreg Kroah-Hartman2006-02-22
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change reverts the 033b96fd30db52a710d97b06f87d16fc59fee0f1 commit from Kay Sievers that removed the mount/umount uevents from the kernel. Some older versions of HAL still depend on these events to detect when a new device has been mounted. These events are not correctly emitted, and are broken by design, and so, should not be relied upon by any future program. Instead, the /proc/mounts file should be polled to properly detect this kind of event. A feature-removal-schedule.txt entry has been added, noting when this interface will be removed from the kernel. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* / [PATCH] padlock: Fix typo that broke 256-bit keysHerbert Xu2006-02-22
|/ | | | | | | | | A typo crept into the le32_to_cpu patch which broke 256-bit keys in the padlock driver. The following patch based on observations by Michael Heyse fixes the problem. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tmpfs: fix mount mpol nodelist parsingHugh Dickins2006-02-21
| | | | | | | | | | | | | | | | | | | | | | | I've been dissatisfied with the mpol_nodelist mount option which was added to tmpfs earlier in -rc. Replace it by mpol=policy:nodelist. And it was broken: a nodelist is a comma-separated list of numbers and ranges; the mount options are a comma-separated list of token=values. Whoops, blindly strsep'ing on commas doesn't work so well: since we've no numeric tokens, and unlikely to add them, use that to distinguish. Move the mpol= parsing to shmem_parse_mpol under CONFIG_NUMA, reject all its options as invalid if not NUMA. /proc shows MPOL_PREFERRED as "prefer", so use that name for the policy instead of "preferred". Enforce that mpol=default has no nodelist; that mpol=prefer has one node only; that mpol=bind has a nodelist; but let mpol=interleave use node_online_map if no nodelist given. Describe this in tmpfs.txt. Signed-off-by: Hugh Dickins <hugh@veritas.com> Acked-by: Robin Holt <holt@sgi.com> Acked-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-02-21
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| * [MIPS] Disable CONFIG_ISCSI_TCP; it triggers a gcc 3.4 endless loop.Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Yosemite: Fix build damage by dc8f6029cd51af1b148846a32e68d69013a5cc0f.Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] jiffies_to_compat_timeval fixAtsushi Nemoto2006-02-21
| | | | | | | | | | | | | | The last argument of div_long_long_rem() must be long. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Add topology_init.Rojhalat Ibrahim2006-02-21
| | | | | | | | | | | | | | | | | | | | A recent patch introduced cpu topology in sysfs. When you run a kernel with SMP and sysfs enabled, you now get an Oops on boot. The following patch fixes that by adding topology_init to arch/mips/kernel/smp.c. The code is copied from arch/s390/kernel/smp.c. Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix compiler warnings in arch/mips/sibyte/bcm1480/irq.cMartin Michlmayr2006-02-21
| | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following compiler warnings: CC arch/mips/sibyte/bcm1480/irq.o arch/mips/sibyte/bcm1480/irq.c: In function ‘bcm1480_set_affinity’: arch/mips/sibyte/bcm1480/irq.c:168: warning: ISO C90 forbids mixed declarations and code arch/mips/sibyte/bcm1480/irq.c: In function ‘ack_bcm1480_irq’: arch/mips/sibyte/bcm1480/irq.c:230: warning: ISO C90 forbids mixed declarations and code Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Follow Uli's latest *at syscall changes.Ralf Baechle2006-02-21
| | | | | | | | | | | | | | (This really is only the half of the patch which was forgotten in 326a625748535c4cdb1c632b1dcb07030989a393 ...) Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Sibyte: Config option names shouldn't be prefixed with CONFIG_Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Sibyte: #if CONFIG_* doesn't fly.Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] N32: Make sure pointer is good before passing it to sys_waitid().Ralf Baechle2006-02-21
| | | | | | | | | | | | After all we're calling sys_waitid() with fs set to KERNEL_DS ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] N32: Fix N32 rt_sigtimedwait and rt_sigsuspend breakage.Ralf Baechle2006-02-21
| | | | | | | | | | | | | | Originally found through an oops in the Gentoo N32 userland build; patch based on original patch by Daniel Jacobwitz. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Reformat _sys32_rt_sigsuspend with tabs instead of space for consistency.Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Make do_signal32 return void.Martin Michlmayr2006-02-21
| | | | | | | | | | | | | | | | do_signal has been changed to return void since the "return value is ignored everywhere". Convert do_signal32 accordingly. Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Add support for TIF_RESTORE_SIGMASK for signal32Martin Michlmayr2006-02-21
| | | | | | | | | | | | | | | | | | | | Following the recent implementation of TIF_RESTORE_SIGMASK in arch/mips/kernel/signal.c, 64-bit kernels with 32-bit user-land compatibility oops when starting init. signal32.c needs to be converted to use TIF_RESTORE_SIGMASK too. Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fixes for uaccess.h with gcc >= 4.0.1Atsushi Nemoto2006-02-21
| | | | | | | | | | | | | | | | | | | | It seems current get_user() incorrectly sign-extend an unsigned int value on 64bit kernel. I think this is because '(__typeof__(val))' cast in final assignment. I suppose the cast should be '(__typeof__(*(addr))'. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Make integer overflow exceptions in kernel mode fatal.Ralf Baechle2006-02-21
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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