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2011-01-21m32r: Convert opsput lanpld irq chipThomas Gleixner1-20/+12
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert opsput pld irq chipThomas Gleixner1-26/+20
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert opsput irq chipThomas Gleixner1-31/+27
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert oaks32r irq chipsThomas Gleixner1-25/+22
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert mappi3 irq chipThomas Gleixner1-31/+31
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert mappi2 irq chipThomas Gleixner1-29/+30
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert mappi irq chipsThomas Gleixner1-27/+26
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert m32700ut lcdpld irq chipThomas Gleixner1-20/+12
Convert the irq chip to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert m32700ut lanpld irq chipThomas Gleixner1-20/+12
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert m32700ut pld irq chipThomas Gleixner1-28/+20
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert m32104ut irq chipThomas Gleixner1-29/+27
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Convert m32104ut irq handlingThomas Gleixner1-25/+21
Convert the irq chips to the new functions and use proper flow handlers. handle_level_irq is appropriate. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21m32r: Cleanup direct irq_desc accessThomas Gleixner9-307/+83
The irq descriptors are already initialized by the generic code. Remove the redundant init code and set the irq chip with the proper accessor function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21cris: Use generic irq KconfigThomas Gleixner2-5/+3
Use the generic irq Kconfig. Select GENERIC_HARDIRQS_NO_DEPRECATED as we have converted all irq_chip functions. Fix the fallout in show_interrupts(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Mikael Starvik <starvik@axis.com>
2011-01-21cris: Convert V32 interrupt handlingThomas Gleixner1-35/+15
Convert the irq chip functions and install handle_simple_irq for each interrupt to get rid of __do_IRQ() Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Mikael Starvik <starvik@axis.com>
2011-01-21cris: Convert V10 interrupt handlingThomas Gleixner1-31/+10
Convert the irq_chip functions and install handle_simple_irq for each interrupt. This converts V10 to the flow handling and lets us remove __do_IRQ(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Mikael Starvik <starvik@axis.com>
2011-01-21cris: Use irq handling wrapperThomas Gleixner1-2/+2
Use the wrapper around __do_IRQ() so we can convert V10 and V32 seperately. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Mikael Starvik <starvik@axis.com>
2011-01-21h8300: Use generic irq KconfigThomas Gleixner2-5/+3
Switch to the generic irq Kconfig. h8300 has all irq chips converted to the new functions, so select the GENERIC_HARDIRQS_NO_DEPRECATED switch as well. Fixup the resulting fallout in show_interrupts(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21h8300: Convert interrupt handling to flow handlerThomas Gleixner1-12/+3
__do_IRQ is deprecated so h8300 needs to be converted to proper flow handling. The irq chip is simple and does not required any mask/ack/eoi functions, so we can use handle_simple_irq. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-21h8300: Convert to new irq_chip functionsThomas Gleixner1-17/+16
No functional change, just straight forward conversion. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Paul Mundt <lethal@linux-sh.org>
2011-01-20net_sched: accurate bytes/packets stats/ratesEric Dumazet14-33/+29
In commit 44b8288308ac9d (net_sched: pfifo_head_drop problem), we fixed a problem with pfifo_head drops that incorrectly decreased sch->bstats.bytes and sch->bstats.packets Several qdiscs (CHOKe, SFQ, pfifo_head, ...) are able to drop a previously enqueued packet, and bstats cannot be changed, so bstats/rates are not accurate (over estimated) This patch changes the qdisc_bstats updates to be done at dequeue() time instead of enqueue() time. bstats counters no longer account for dropped frames, and rates are more correct, since enqueue() bursts dont have effect on dequeue() rate. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-20rtnetlink: fix link attribute validation with IFLA_GROUPPatrick McHardy1-5/+8
rtnl_group_changelink() is invoked by rtnl_newlink() before the link attributes have been validated. Additionally the group changes are performed even if NLM_F_CREATE is specified and a new link is created, while more reasonable semantics would be to set the group value on the newly created link. Fix both problems by moving the rtnl_group_changelink() invocation down to the handling of non-existant links without NLM_F_CREATE() and add a dev_set_group() call to rtnl_create_link(). Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Vlad Dogaru <ddvlad@rosedu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-21Merge branch 'fix/asoc' into for-linusTakashi Iwai7-68/+55
2011-01-21Merge branch 'fix/misc' into for-linusTakashi Iwai1-0/+7
2011-01-20ppp: Use SKB queue abstraction interfaces in fragment processing.David S. Miller1-15/+16
No more direct references to SKB queue and list implementation details. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-20net: Add safe reverse SKB queue walkers.David S. Miller1-0/+9
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-20ppp: Reconstruct fragmented packets using frag lists instead of copying.David S. Miller1-16/+23
[paulus@samba.org: fixed a couple of bugs] Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2011-01-20ppp: Clean up kernel log messages.David S. Miller1-37/+49
Use netdev_*() and pr_*(). To preserve existing semantics in cases where KERN_DEBUG is indeed appropriate, use netdev_printk(KERN_DEBUG, ...) Convert PPPIOCDETACH to pr_warn() because an unexpected file count is a serious bug and should be logged with KERN_WARN. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2011-01-21powerpc/mpic: Fix mask/unmask timeout messageScott Wood1-2/+4
Don't say that enable timed out when it was disable, and show which IRQ had the problem. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/pseries: Add BNX2=m to defconfigNishanth Aravamudan1-0/+1
Upcoming servers will include a Broadcom NIC, add to the defconfig to increase testing coverage and make sure mainline builds come up with networking. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Enable 64kB pages and 1024 threads in pseries configAnton Blanchard1-1/+3
- Enable 64kB pages so it gets some regular testing. - The largest POWER7 has 1024 threads so bump NR_CPUS it to match. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Disable mcount tracers in pseries defconfigAnton Blanchard1-2/+0
IRQSOFF_TRACER and STACK_TRACER force the kernel to be built with -pg which is a substantial overhead. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/boot/dts: Install dts from the right directoryBen Hutchings1-1/+1
The dts-installed variable is initialised using a wildcard path that will be expanded relative to the build directory. Use the existing variable dtstree to generate an absolute wildcard path that will work when building in a separate directory. Reported-by: Gerhard Pircher <gerhard_pircher@gmx.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Gerhard Pircher <gerhard_pircher@gmx.net> [against 2.6.32] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: machine_check_generic is wrong on 64bitAnton Blanchard1-23/+0
Decoding machine checks is CPU specific and so machine_check_generic doesn't do the right thing on 64bit chips. Luckily we never call into this code because we call ppc_md.machine_check_exception instead if available. Since we check cur_cpu_spec->machine_check before calling it, we may as well remove machine_check_generic from 64bit archs. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Check RTAS extended log flag before checking lengthAnton Blanchard1-1/+1
The spec suggests we should first check the extended log flag before checking the length field. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Fix corruption when grabbing FWNMI dataAnton Blanchard1-14/+38
The FWNMI code uses a global buffer without any locks to read the RTAS error information. If two CPUs take a machine check at once then we will corrupt this buffer. Since most FWNMI rtas messages are not of the extended type, we can create a 64bit percpu buffer and use it where possible. If we do receive an extended RTAS log then we fall back to the old behaviour of using the global buffer. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Rework pseries machine check handlerAnton Blanchard1-18/+30
Rework pseries machine check handler: - If MSR_RI isn't set, we cannot recover even if the machine check was fully recovered - Rename nonfatal to recovered - Handle RTAS_DISP_LIMITED_RECOVERY - Use BUS_MCEERR_AR instead of BUS_ADRERR - Don't check all the RTAS error log fields when receiving a synchronous machine check. Recent versions of the pseries firmware do not fill them in during a machine check and instead send a follow up error log with the detailed information. If we see a synchronous machine check, and we came from userspace then kill the task. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Don't silently handle machine checks from userspaceAnton Blanchard1-5/+0
If a machine check comes from userspace we send a SIGBUS to the task and fail to printk anything. If we are taking machine checks due to bad hardware we want to know about it right away. Furthermore if we don't complain loudly then it will look a lot like a bug in the userspace application, potentially causing a lot of confusion. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Remove duplicate debugger hook in machine_check_exceptionAnton Blanchard1-2/+0
We are calling debugger_fault_handler twice in machine_check_exception. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Never halt RTAS error logging after receiving an unrecoverable machine checkAnton Blanchard1-1/+1
Newer versions of the System p firwmare send a partial RTAS error log in the machine check handler with a more detailed response appearing sometime later via check event. This means at machine check time we do not have enough information to ascertain exactly what went on. Furthermore, I have found the RTAS error logs in the machine check handler contain no useful information, so halting on them makes little sense. If we want to halt it would make more sense to do it following the error log received sometime later via check event. In light of this, never halt the error log in the pseries machine check handler. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Don't force MSR_RI in machine_check_exceptionAnton Blanchard1-4/+1
We should never force MSR_RI on. If we take a machine check with MSR_RI off then we have no chance of recovering safely. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc: Print 32 bits of DSISR in show_regsAnton Blanchard1-1/+1
We were printing 64 bits of DSISR in show_regs even though it is 32 bit. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kdump: Disable ftrace during kexecAnton Blanchard1-0/+7
We should disable ftrace during kexec, some of the tracers are very invasive and we do not want them going off while doing the low level work of swapping one kernel out for another. This mirrors what we do on x86. Even though we cannot return from a kexec on powerpc (since we do not implement CONFIG_KEXEC_JUMP), add the restore code in case we do one day. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handlerAnton Blanchard3-78/+72
Use the crash handler hooks to run the SPU stop code, just like we do for ehea and cell RAS code. While I'm here I noticed "CPUSs reliabally" so fix the spelling MISTAKESs reliabally. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kexec: Remove empty ppc_md.machine_kexec_prepareAnton Blanchard2-22/+0
We check for a valid handler before calling ppc_md.machine_kexec_prepare so we can just remove these empty handlers. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kexec: Don't initialise kexec hooks to default handlersAnton Blanchard2-13/+0
There's no need to initialise ppc_md.machine_kexec and ppc_md.machine_kexec_prepare to the default handlers. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kdump: Remove ppc_md.machine_crash_shutdownAnton Blanchard4-12/+1
No one uses ppc_md.machine_crash_shutdown, so remove it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kexec: Remove ppc_md.machine_kexecAnton Blanchard2-10/+1
No one uses ppc_md.machine_kexec, so remove it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kexec: Remove ppc_md.machine_kexec_cleanupAnton Blanchard2-5/+0
No one uses ppc_md.machine_kexec_cleanup, so remove it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-01-21powerpc/kexec: Move all ppc_md kexec function pointers togetherAnton Blanchard1-3/+2
Move all the kexec handlers together. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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