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Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7

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Am 09.08.2015 um 10:15 schrieb Jiang Liu:
> Alex Deucher, Mark Rustad and Alexander Holler reported a regression
> with the latest v4.2-rc4 kernel, which breaks some SATA controllers.
> With multi-MSI capable SATA controllers, only the first port works,
> all other ports times out when executing SATA commands. This regression
> bisects to 52f518a3a7c2 ("x86/MSI: Use hierarchical irqdomains to manage
> MSI interrupts"), but it's not the root cause, it just triggers a bug
> caused by b5dc8e6c21e7 ("x86/irq: Use hierarchical irqdomain to manage
> CPU interrupt vectors").
>
> With this patch applied, the affected SATA controllers work as expected.
>
> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
> Reported-by: Alex Deucher <alexdeucher@gmail.com>
> Reported-by: Mark Rustad <mrustad@gmail.com>
> Reported-by: Alexander Holler <holler@ahsoftware.de>
> ---
> Hi Alex, Mark and Alexandler,
> 	Sorry for the long delay to root cause this regression, it's
> really annoying. Could you please help test this patch against the
> latest v4.2-rcx?

Works. Thanks.

Tested-by: Alexander Holler <holler@ahsoftware.de>


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[Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Jiang Liu <jiang.liu@linux.intel.com> - 2015-08-09 10:20 +0200
  Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alexander Holler <holler@ahsoftware.de> - 2015-08-09 12:20 +0200
    Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Jiang Liu <jiang.liu@linux.intel.com> - 2015-08-09 16:20 +0200
  Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alex Deucher <alexdeucher@gmail.com> - 2015-08-10 17:10 +0200
    Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Jiang Liu <jiang.liu@linux.intel.com> - 2015-08-11 03:10 +0200
      Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alex Deucher <alexdeucher@gmail.com> - 2015-08-13 21:50 +0200
        Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alex Deucher <alexdeucher@gmail.com> - 2015-08-13 22:20 +0200
          Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alex Deucher <alexdeucher@gmail.com> - 2015-08-14 00:20 +0200
  Re: [Bugfix] x86, irq: Fix a regression caused by commit  b5dc8e6c21e7 "Rustad, Mark D" <mark.d.rustad@intel.com> - 2015-08-10 18:50 +0200
  Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Alex Deucher <alexdeucher@gmail.com> - 2015-08-17 23:10 +0200
    Re: [Bugfix] x86, irq: Fix a regression caused by commit  b5dc8e6c21e7 Thomas Gleixner <tglx@linutronix.de> - 2015-08-18 15:00 +0200
  Re: [Bugfix] x86, irq: Fix a regression caused by commit  b5dc8e6c21e7 Thomas Gleixner <tglx@linutronix.de> - 2015-08-17 23:20 +0200
    [Bugfix] x86, irq: Fix an error in building CPU vector to IRQ number mapping for MSI Jiang Liu <jiang.liu@linux.intel.com> - 2015-08-18 17:20 +0200
      [tip:x86/urgent] x86/irq:   Build correct vector mapping for multiple MSI interrupts tip-bot for Jiang Liu <tipbot@zytor.com> - 2015-08-18 18:30 +0200

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