From: Borislav Petkov <bp@alien8.de>
To: Jiang Liu <jiang.liu@linux.intel.com>
Cc: linux-tip-commits@vger.kernel.org, matthias.bgg@gmail.com,
tony.luck@intel.com, tglx@linutronix.de,
benh@kernel.crashing.org, linux-kernel@vger.kernel.org,
hpa@zytor.com, grant.likely@linaro.org, wangyijing@huawei.com,
marc.zyngier@arm.com, bhelgaas@google.com,
yingjoe.chen@mediatek.com, mingo@kernel.org
Subject: Re: [tip:irq/irqdomain] irqdomain: Introduce helper function irq_domain_add_hierarchy()
Date: Sat, 29 Nov 2014 16:37:01 +0100 [thread overview]
Message-ID: <20141129153701.GD5075@pd.tnic> (raw)
In-Reply-To: <5479E467.5070701@linux.intel.com>
On Sat, Nov 29, 2014 at 11:21:11PM +0800, Jiang Liu wrote:
> Thanks for the info about GFP_ATOMIC, originally I have an impression
> that we should use GFP_ATOMIC when interrupt is disabled:(
Hmm, that's actually a good point. GFP_NOFS has __GFP_WAIT which means
that we can wait and resched when the first alloc attempt fails so maybe
GFP_ATOMIC would be the correct solution after all...
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2014-11-29 15:37 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-15 14:23 [Patch V2 0/9] Refine generic/PCI MSI irqodmian interfaces Jiang Liu
2014-11-15 14:23 ` Jiang Liu
2014-11-15 14:23 ` [Patch V2 1/9] PCI, MSI: Fix errors caused by commit e5f1a59c4e12 Jiang Liu
2014-11-15 14:23 ` Jiang Liu
2014-11-15 14:24 ` [Patch V2 2/9] irqdomain: Use consistent prototype for irq_domain_free_irqs_* Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-15 14:24 ` [Patch V2 3/9] irqdomain: Implement a method to automatically call parent domain's alloc/free Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:11 ` [tip:irq/irqdomain] irqdomain: Implement a method to automatically call parent domains alloc/free tip-bot for Jiang Liu
2014-11-15 14:24 ` [Patch V2 4/9] irqdomain: Introduce helper function irq_domain_add_hierarchy() Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:11 ` [tip:irq/irqdomain] " tip-bot for Jiang Liu
2014-11-29 12:53 ` Borislav Petkov
2014-11-29 14:29 ` Jiang Liu
2014-11-29 14:56 ` Borislav Petkov
2014-11-29 15:21 ` Jiang Liu
2014-11-29 15:37 ` Borislav Petkov [this message]
2014-11-29 20:42 ` Thomas Gleixner
2014-11-30 12:37 ` [PATCH] irqdomain: Correct early allocation of irq domains with IRQs off Borislav Petkov
2014-11-30 12:37 ` Borislav Petkov
2014-12-01 9:45 ` [tip:x86/apic] " tip-bot for Borislav Petkov
2014-12-01 2:20 ` [tip:irq/irqdomain] irqdomain: Introduce helper function irq_domain_add_hierarchy() Jiang Liu
2014-11-15 14:24 ` [Patch V2 5/9] PCI, MSI: Introduce helpers to hide struct msi_desc implementation details Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:08 ` [tip:irq/irqdomain] PCI/MSI: " tip-bot for Jiang Liu
2014-11-15 14:24 ` [Patch V2 6/9] genirq: Introduce msi_domain_{alloc|free}_irqs() Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:13 ` [tip:irq/irqdomain] genirq: Introduce msi_domain_alloc/free_irqs( ) tip-bot for Jiang Liu
2014-11-15 14:24 ` [Patch V2 7/9] genirq: Provide default callbacks for msi_domain_ops Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:13 ` [tip:irq/irqdomain] " tip-bot for Jiang Liu
2014-11-15 14:24 ` [Patch V2 8/9] PCI, MSI: Refine irqdomain interfaces to simplify its usage Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-15 14:24 ` [Patch V2 9/9] PCI, MSI: Provide mechanism to alloc/free MSI/MSIX interrupt from irqdomain Jiang Liu
2014-11-15 14:24 ` Jiang Liu
2014-11-23 18:14 ` [tip:irq/irqdomain] PCI/MSI: Provide mechanism to alloc/free MSI/ MSIX " tip-bot for Jiang Liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141129153701.GD5075@pd.tnic \
--to=bp@alien8.de \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=grant.likely@linaro.org \
--cc=hpa@zytor.com \
--cc=jiang.liu@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=marc.zyngier@arm.com \
--cc=matthias.bgg@gmail.com \
--cc=mingo@kernel.org \
--cc=tglx@linutronix.de \
--cc=tony.luck@intel.com \
--cc=wangyijing@huawei.com \
--cc=yingjoe.chen@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.