linux-kernel - Re: [Bugfix] PCI, x86: Correctly allocate IRQs for PCI devices managed by non-PCI drivers

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Message-ID: <55EEAE19.2070606@linux.intel.com>
Date:	Tue, 8 Sep 2015 17:44:57 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Arthur Marsh <arthur.marsh@...ernode.on.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: Re: [Bugfix] PCI, x86: Correctly allocate IRQs for PCI devices
 managed by non-PCI drivers

On 2015/9/8 17:03, Arthur Marsh wrote:
> 
> 
> Jiang Liu wrote on 08/09/15 16:56:
> Thanks, I removed the test patch and applied the revised patch and built
> and rebooted the kernel and successfully mounted file systems on a disk
> attached to the DPT 2044W card using the eata driver:
> 
> [    0.000000] Linux version 4.2.0+ (root@...toria) (gcc version 5.2.1
> 20150903
> (Debian 5.2.1-16) ) #31 SMP PREEMPT Tue Sep 8 17:36:28 ACST 2015
> ...
> 
> [   80.691097] EATA0: IRQ 10 mapped to IO-APIC IRQ 17.
> [   80.724519] EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.
> [   80.752035] EATA config options -> tm:1, lc:y, mq:16, rs:y, et:n,
> ip:n, ep:n, pp:y.
> [   80.777063] EATA0: 2.0C, PCI 0xd890, IRQ 17, BMST, SG 122, MB 64.
> [   80.802391] EATA0: wide SCSI support enabled, max_id 16, max_lun 8.
> [   80.827959] EATA0: SCSI channel 0 enabled, host target ID 7.
> [   80.853413] scsi host3: EATA/DMA 2.0x rev. 8.10.00
> [   82.445662] scsi 3:0:6:0: Direct-Access     IBM      DCAS-34330W
>  S65A PQ: 0 ANSI: 2
> [   82.471584] scsi 3:0:6:0: cmds/lun 16, sorted, simple tags.
> [   84.571451] sd 3:0:6:0: Attached scsi generic sg4 type 0
> [   84.597572] sd 3:0:6:0: [sdd] 8466688 512-byte logical blocks: (4.33
> GB/4.03 GiB)
> [   84.659874] sd 3:0:6:0: [sdd] Write Protect is off
> [   84.688543] sd 3:0:6:0: [sdd] Mode Sense: b3 00 00 08
> [   84.714021] sd 3:0:6:0: [sdd] Write cache: enabled, read cache:
> enabled, doesn't support DPO or FUA
> [   84.817682]  sdd: sdd1 sdd2 < sdd5 >
> [   84.919267] sd 3:0:6:0: [sdd] Attached SCSI disk
Hi Arthur,
Thanks for testing:)

> 
> Arthur.
> -- 
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