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From: Yong Zhang <yong.zhang0@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	tglx@linutronix.de, Jesse Barnes <jbarnes@virtuousgeek.org>,
	Randy Dunlap <rdunlap@xenotime.net>,
	linux-pci@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH 54/57] Documentation: irq: Change documents related to IRQF_DISABLED
Date: Sat, 8 Oct 2011 10:34:55 +0800	[thread overview]
Message-ID: <20111008023455.GA5394@zhy> (raw)
In-Reply-To: <CAErSpo7EUw_4sKXXd2pYkTuqvBFOHgZ1zwrv68K3OU57-QE2Dw@mail.gmail.com>

On Wed, Sep 28, 2011 at 04:33:08PM -0600, Bjorn Helgaas wrote:
> On Wed, Sep 21, 2011 at 3:28 AM, Yong Zhang <yong.zhang0@gmail.com> wrote:
> > IRQF_DISABLED is a NOOP now, place where suggest to use this
> > flag also doesn't make sense any more.
> >
> > Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
> 
> I assume this will be applied via some non-PCI tree (let me know if
> otherwise).  The MSI-HOWTO.txt change looks fine to me.

(Sorry for my late response because of long vacation)

So if you could pick it up, just go ahead, otherwise tglx will
take it :)

> 
> > --- a/Documentation/scsi/ncr53c8xx.txt
> > +++ b/Documentation/scsi/ncr53c8xx.txt
> > @@ -786,7 +786,9 @@ port address 0x1400.
> > ? ? ? ? irqm:1 ? ? same as initial settings (assumed BIOS settings)
> > ? ? ? ? irqm:2 ? ? always totem pole
> > ? ? ? ? irqm:0x10 ?driver will not use IRQF_SHARED flag when requesting irq
> > - ? ? ? ?irqm:0x20 ?driver will not use IRQF_DISABLED flag when requesting irq
> > + ? ? ? ?irqm:0x20 ?driver will not use IRQF_DISABLED (does not make sense
> > + ? ? ? ? ? ? ? ? ?any more since genirq will keep irq disabled and the flag
> > + ? ? ? ? ? ? ? ? ?is dead from linux-2.6.35) flag when requesting irq
> >
> > ? ? (Bits 0x10 and 0x20 can be combined with hardware irq mode option)
> 
> The new text doesn't make sense to me.  I think it should say something like:
> 
>     irqm:0x20  driver will not use IRQF_DISABLED flag when requesting
> irq (only useful for linux-2.6.34 and earlier)

Hmmm, it seems more simple :)
Will update it. Thanks for your idea.

Yong


  reply	other threads:[~2011-10-08  2:35 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-21  9:28 [PATCH V1 00/57] Tree wide: cleanup IRQF_DISABLED Yong Zhang
2011-09-21  9:28 ` [PATCH 01/57] usb/hcd: Remove tricky code dealing with IRQF_DISABLED && IRQF_SHARED Yong Zhang
2011-09-21  9:28 ` [PATCH 02/57] alpha: irq: Remove IRQF_DISABLED Yong Zhang
2011-09-21  9:28 ` [PATCH 04/57] avr32: " Yong Zhang
2011-09-21  9:28 ` [PATCH 05/57] cris: " Yong Zhang
2011-09-21  9:28 ` [PATCH 06/57] frv: " Yong Zhang
2011-09-21  9:28 ` [PATCH 07/57] h8300: " Yong Zhang
2011-09-21  9:28 ` [PATCH 08/57] ia64: " Yong Zhang
2011-09-21  9:28 ` [PATCH 09/57] m32r: " Yong Zhang
2011-09-21  9:28 ` [PATCH 10/57] m68k: " Yong Zhang
2011-09-21  9:28 ` [PATCH 11/57] microblaze: " Yong Zhang
2011-09-21  9:28 ` [PATCH 13/57] mn10300: " Yong Zhang
2011-09-21  9:28 ` [PATCH 14/57] parisc: irq: remove IRQF_DISABLED Yong Zhang
2011-09-21  9:28 ` [PATCH 15/57] powerpc: irq: Remove IRQF_DISABLED Yong Zhang
2011-09-21  9:28 ` [PATCH 16/57] score: " Yong Zhang
2011-09-21  9:28 ` [PATCH 17/57] SH: " Yong Zhang
2011-09-21  9:28 ` [PATCH 18/57] sparc: " Yong Zhang
2011-09-21 17:40   ` David Miller
2011-09-21  9:28 ` [PATCH 19/57] um: " Yong Zhang
2011-09-21  9:28 ` [PATCH 20/57] unicore32: " Yong Zhang
2011-09-21  9:28 ` [PATCH 21/57] x86: irq: " Yong Zhang
2011-09-21  9:28 ` [PATCH 22/57] xtensa: " Yong Zhang
2011-09-21  9:28 ` [PATCH 23/57] clocksource: " Yong Zhang
2011-09-21  9:28 ` [PATCH 24/57] SCSI: " Yong Zhang
2011-09-21  9:28 ` [PATCH 25/57] ata: " Yong Zhang
2011-09-21 10:35   ` Wolfram Sang
2011-09-21  9:28 ` [PATCH 26/57] block: " Yong Zhang
2011-09-21  9:28 ` [PATCH 27/57] cdrom: " Yong Zhang
2011-09-21  9:28 ` [PATCH 28/57] driver/char: " Yong Zhang
2011-09-21  9:28 ` [PATCH 29/57] crypto: " Yong Zhang
2011-09-21  9:28 ` [PATCH 30/57] dmaengine: " Yong Zhang
2011-09-21  9:28 ` [PATCH 31/57] EDAC: " Yong Zhang
2011-09-21  9:28 ` [PATCH 32/57] i2c: " Yong Zhang
2011-09-21  9:28 ` [PATCH 33/57] infiniband: " Yong Zhang
2011-09-21  9:28 ` [PATCH 34/57] ISDN: " Yong Zhang
2011-09-21  9:28 ` [PATCH 36/57] drivers:misc:irq: " Yong Zhang
2011-09-21  9:28 ` [PATCH 37/57] mmc: irq: " Yong Zhang
2011-09-21 10:16   ` Guennadi Liakhovetski
2011-09-22 14:50   ` Kadiyala, Kishore
2011-09-21  9:28 ` [PATCH 38/57] mtd: " Yong Zhang
2011-09-21  9:28 ` [PATCH 40/57] dirvers/parisc: " Yong Zhang
2011-09-21 10:07   ` James Bottomley
2011-09-21 12:07     ` Yong Zhang
2011-09-21  9:28 ` [PATCH 41/57] pcmcia: " Yong Zhang
2011-09-21  9:28 ` [PATCH 42/57] sony-laptop:irq: " Yong Zhang
2011-09-21  9:28 ` [PATCH 43/57] PNP: irq: " Yong Zhang
2011-09-21 20:20   ` Bjorn Helgaas
2011-09-21  9:28 ` [PATCH 44/57] power_supply:irq: " Yong Zhang
2011-09-21  9:28 ` [PATCH 45/57] powerpc/ps3: irq: " Yong Zhang
2011-09-21  9:28 ` [PATCH 46/57] rtc: " Yong Zhang
2011-09-21  9:52   ` Wan ZongShun
2011-09-21 10:31   ` [rtc-linux] " Wolfram Sang
2011-09-21  9:28 ` [PATCH 47/57] spi: " Yong Zhang
2011-09-21  9:28 ` [PATCH 48/57] TTY: " Yong Zhang
2011-09-21  9:28 ` [PATCH 49/57] video: " Yong Zhang
2011-09-21 20:22   ` David Brown
2011-09-21  9:28 ` [PATCH 50/57] w1: " Yong Zhang
2011-09-21 10:06   ` Evgeniy Polyakov
2011-09-21  9:28 ` [PATCH 51/57] watchdog: " Yong Zhang
2011-09-21  9:28 ` [PATCH 52/57] xen: " Yong Zhang
2011-09-21  9:28 ` [PATCH 54/57] Documentation: irq: Change documents related to IRQF_DISABLED Yong Zhang
2011-09-28 22:33   ` Bjorn Helgaas
2011-10-08  2:34     ` Yong Zhang [this message]
2011-09-21  9:28 ` [PATCH 55/57] hexagon: irq: Remove IRQF_DISABLED Yong Zhang
2011-09-21 15:35   ` Richard Kuo
2011-09-22  8:08     ` Yong Zhang
2011-09-21  9:28 ` [PATCH 56/57] hwmon: " Yong Zhang
2011-09-21 19:07   ` Guenter Roeck
2011-09-21  9:28 ` [PATCH 57/57] genirq: " Yong Zhang
2011-09-21 12:27 ` [PATCH V1 00/57] Tree wide: cleanup IRQF_DISABLED Yong Zhang
     [not found] ` <1316597339-29861-40-git-send-email-yong.zhang0@gmail.com>
2011-09-21 17:40   ` [PATCH 39/57] net: irq: Remove IRQF_DISABLED David Miller

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