Re: [patch 00/47] Sparse irq rework

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From: Thomas Gleixner

Subject: Re: [patch 00/47] Sparse irq rework

Date: Sunday, October 10, 2010 - 1:20 am

On Sat, 9 Oct 2010, Yinghai Lu wrote:

quoted text> On 10/09/2010 05:12 AM, Thomas Gleixner wrote:
> > On Sat, 9 Oct 2010, Yinghai Lu wrote:
> >> On 10/08/2010 11:10 PM, Thomas Gleixner wrote:
> >>>> [   59.449366] IP: [<ffffffff8147d715>] acpi_pci_irq_find_prt_entry+0x85/0xb1
> >>>
> >>> I can hardly see how this is related to the irq work.
> >>>
> >>>> [   71.076886] Pid: 1, comm: swapper Tainted: G        W   2.6.36-rc7-tip-yh-01944-ge8a4c5f-dirty #171      /Sun Fire x4800
> >>>> [   71.096947] RIP: 0010:[<ffffffff8141e232>]  [<ffffffff8141e232>] strcmp+0x4/0x21
> >>>
> >>> Ditto.
> >>
> >> don't know.
> >>
> >> but without merging your branch, those problems don't come out.
> >>
> >> only thing i can think about that you real free irq code could
> >> stress or expose other subsystem's bug etc.
> > 
> > The first crash is in early boot and that code just fiddles with acpi
> > internal stuff.
> > 
> 
> Need following patch. Please fold it into corresponding commit.

Thanks for spotting this !

	tglx
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Messages in current thread:

[patch 00/47] Sparse irq rework, Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 01/47] x86: Plug memory leak in sparse irq, Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 02/47] x86: Hpet: Fix bogus error check in hpet_ass ..., Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 03/47] genirq: Provide status modifier, Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 04/47] arm: Use irq status modifier, Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 05/47] genirq-sanitize-irq-data-accessors.patch, Thomas Gleixner, (Thu Sep 30, 4:14 pm)

[patch 06/47] genirq: Distangle kernel/irq/handle.c, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 07/47] genirq: Remove early_init_irq_lock_class(), Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 08/47] genirq: Move core only inlines to kernel/irq, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 09/47] isdn: hisax: Replace the bogus access to irq ..., Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 10/47] genirq: Remove export of kstat_irqs_cpu, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 11/47] genirq: Provide default irq init flags, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 12/47] arm: Use ARCH_IRQ_INIT_FLAGS, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 13/47] powerpc: Use ARCH_IRQ_INIT_FLAGS, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 14/47] genirq: Implement a sane sparse_irq allocator, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 15/47] genirq: Prepare proc for real sparse irq support, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 16/47] genirq: Implement sane enumeration, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 17/47] genirq-update-kerneldoc.patch, Thomas Gleixner, (Thu Sep 30, 4:15 pm)

[patch 18/47] genirq: Use sane sparse allocator, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 19/47] genirq: Query arch for number of early descr ..., Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 20/47] x86: Remove useless reinitialization of irq ..., Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 21/47] x86: Sanitize apb timer interrupt handling, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 22/47] x86: lguest: Convert to new irq chip functions, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 23/47] x86: Cleanup visws interrupt handling, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 24/47] x86: i8259: Convert to new irq_chip functions, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 25/47] x86: Cleanup io_apic, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 26/47] x86: io_apic: Convert startup to new irq_chi ..., Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 27/47] x86: ioapic: Convert mask to new irq_chip fu ..., Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 28/47] x86: ioapic/hpet: Convert to new chip functions, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 29/47] pci: Convert msi to new irq_chip functions, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 30/47] dmar: Convert to new irq chip functions, Thomas Gleixner, (Thu Sep 30, 4:16 pm)

[patch 31/47] ht: Convert to new irq_chip functions, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 32/47] x86: ioapic: Clean up the direct access to i ..., Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 33/47] pci: Cleanup the irq_desc mess in msi, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 34/47] x86: ioapic: Convert irq affinity to new chi ..., Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 35/47] x86: ioapic: Cleanup some more, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 36/47] x86: ioapic: Cleanup sparse irq code, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 37/47] x86: uv: Clean up the direct access to irq_desc, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 38/47] x86: Use sane enumeration, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 39/47] genirq: Remove arch_init_chip_data(), Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 40/47] genirq: Sanitize dynamic irq handling, Thomas Gleixner, (Thu Sep 30, 4:17 pm)

[patch 41/47] arm: davinci: Cleanup irq_desc access, Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 42/47] genirq: Remove the now unused sparse irq lef ..., Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 43/47] x86: xen: Sanitise sparse_irq handling, Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 44/47] sh: Sanitize sparse irq, Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 45/47] x86: lguest: Use new irq allocator, Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 46/47] powerpc: Use new irq allocator, Thomas Gleixner, (Thu Sep 30, 4:18 pm)

[patch 47/47] genirq: Remove the old sparse irq allocator ..., Thomas Gleixner, (Thu Sep 30, 4:18 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Benjamin Herrenschmidt, (Thu Sep 30, 5:42 pm)

Re: [patch 00/47] Sparse irq rework, Linus Torvalds, (Thu Sep 30, 8:32 pm)

Re: [patch 14/47] genirq: Implement a sane sparse_irq allo ..., Yinghai Lu, (Thu Sep 30, 10:28 pm)

Re: [patch 40/47] genirq: Sanitize dynamic irq handling, Yinghai Lu, (Thu Sep 30, 10:47 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Thu Sep 30, 10:54 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Thomas Gleixner, (Fri Oct 1, 6:07 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Fri Oct 1, 1:35 pm)

Re: [patch 14/47] genirq: Implement a sane sparse_irq allo ..., Thomas Gleixner, (Fri Oct 1, 1:36 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Benjamin Herrenschmidt, (Fri Oct 1, 1:46 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Grant Likely, (Fri Oct 1, 2:11 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Benjamin Herrenschmidt, (Fri Oct 1, 2:17 pm)

Re: [patch 16/47] genirq: Implement sane enumeration, Grant Likely, (Sun Oct 3, 3:55 am)

Re: [patch 00/47] Sparse irq rework, Grant Likely, (Sun Oct 3, 4:23 am)

Re: [patch 00/47] Sparse irq rework, Russell King - ARM Linux, (Sun Oct 3, 4:29 am)

Re: [patch 00/47] Sparse irq rework, Grant Likely, (Sun Oct 3, 4:57 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sun Oct 3, 6:48 am)

Re: [patch 20/47] x86: Remove useless reinitialization of ..., Eric W. Biederman, (Sun Oct 3, 8:21 am)

Re: [patch 00/47] Sparse irq rework, Eric W. Biederman, (Sun Oct 3, 9:41 am)

Re: [patch 46/47] powerpc: Use new irq allocator, Eric W. Biederman, (Sun Oct 3, 9:53 am)

Re: [patch 20/47] x86: Remove useless reinitialization of ..., Thomas Gleixner, (Sun Oct 3, 11:26 am)

Re: [patch 46/47] powerpc: Use new irq allocator, Thomas Gleixner, (Sun Oct 3, 11:34 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sun Oct 3, 12:16 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Thomas Gleixner, (Sun Oct 3, 1:04 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Benjamin Herrenschmidt, (Sun Oct 3, 3:54 pm)

Re: [patch 00/47] Sparse irq rework, Benjamin Herrenschmidt, (Sun Oct 3, 3:57 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Eric W. Biederman, (Sun Oct 3, 5:15 pm)

Re: [patch 46/47] powerpc: Use new irq allocator, Benjamin Herrenschmidt, (Sun Oct 3, 5:37 pm)

Re: [patch 00/47] Sparse irq rework, Eric W. Biederman, (Sun Oct 3, 5:49 pm)

Re: [patch 00/47] Sparse irq rework, Eric W. Biederman, (Sun Oct 3, 6:13 pm)

Re: [patch 00/47] Sparse irq rework, Ingo Molnar, (Sun Oct 3, 11:36 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Mon Oct 4, 1:05 am)

Re: [patch 00/47] Sparse irq rework, Grant Likely, (Mon Oct 4, 9:31 am)

Re: [patch 46/47] powerpc: Use new irq allocator, Grant Likely, (Mon Oct 4, 9:46 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Tue Oct 5, 3:22 am)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Wed Oct 6, 3:45 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Wed Oct 6, 3:52 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Wed Oct 6, 4:37 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Wed Oct 6, 5:16 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Wed Oct 6, 9:01 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Wed Oct 6, 9:38 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Fri Oct 8, 2:50 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Fri Oct 8, 2:54 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Fri Oct 8, 9:26 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Fri Oct 8, 10:44 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Fri Oct 8, 11:10 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Fri Oct 8, 11:34 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sat Oct 9, 12:03 am)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sat Oct 9, 12:08 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sat Oct 9, 5:08 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sat Oct 9, 5:12 am)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sat Oct 9, 7:32 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sat Oct 9, 10:11 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sun Oct 10, 1:20 am)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Sun Oct 10, 2:32 am)

Re: [patch 00/47] Sparse irq rework, Anca Emanuel, (Sun Oct 10, 6:30 am)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sun Oct 10, 7:20 pm)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Sun Oct 10, 8:50 pm)

Re: [patch 00/47] Sparse irq rework, Thomas Gleixner, (Mon Oct 11, 1:16 am)

Re: [patch 00/47] Sparse irq rework, Benjamin Herrenschmidt, (Mon Oct 11, 4:34 am)

Re: [patch 00/47] Sparse irq rework, Yinghai Lu, (Mon Oct 11, 9:19 am)

Re: [patch 33/47] pci: Cleanup the irq_desc mess in msi, Jesse Barnes, (Mon Oct 11, 10:08 am)

Re: [patch 29/47] pci: Convert msi to new irq_chip functions, Jesse Barnes, (Mon Oct 11, 10:09 am)

[tip:irq/core] x86: Don't setup ioapic irq for sci twice, tip-bot for Yinghai Lu, (Tue Oct 12, 1:23 pm)

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