linux-kernel - Re: [PATCH v2 06/22] PCI/MSI: Introduce weak arch_find_msi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <542773DD.8020105@huawei.com>
Date:	Sun, 28 Sep 2014 10:35:09 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>, <linux-pci@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Xinwei Hu <huxinwei@...wei.com>,
	Wuyun <wuyun.wu@...wei.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <linux@....linux.org.uk>,
	<linux-arch@...r.kernel.org>, <arnab.basu@...escale.com>,
	<Bharat.Bhushan@...escale.com>, <x86@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	<xen-devel@...ts.xenproject.org>, Joerg Roedel <joro@...tes.org>,
	<iommu@...ts.linux-foundation.org>, <linux-mips@...ux-mips.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-s390@...r.kernel.org>,
	Sebastian Ott <sebott@...ux.vnet.ibm.com>,
	"Tony Luck" <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	<sparclinux@...r.kernel.org>, Chris Metcalf <cmetcalf@...era.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Lucas Stach <l.stach@...gutronix.de>,
	David Vrabel <david.vrabel@...rix.com>,
	"Sergei Shtylyov" <sergei.shtylyov@...entembedded.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Thierry Reding <thierry.reding@...il.com>,
	"Thomas Petazzoni" <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH v2 06/22] PCI/MSI: Introduce weak arch_find_msi_chip()
 to find MSI chip

>> MSI chip in this series is to setup MSI irq, including IRQ allocation, Map,
>> compose MSI msg ..., in different platform, many arch specific MSI irq details in it.
>> It's difficult to extract the common data and code.
>>
>> I have a plan to rework MSI related irq_chips in kernel, PCI and Non-PCI, currently,
>> HPET, DMAR and PCI have their own irq_chip and MSI related functions, write_msi_msg(),
>> mask_msi_irq(), etc... I want to extract the common data set for that, so we can
>> remove lots of unnecessary MSI code.
> 
> That makes sense. Can you please make sure that this does not conflict
> with the ongoing work Jiang is doing in the x86 irq area with
> hierarchical irqdomains to distangle layered levels like MSI from the
> underlying vector/irqremap mechanics.

Yes, I'm reviewing Jiang hierarchical irqdomains series, I'm interested in that changes.

Thanks!
Yijing.

> 
> Thanks,
> 
> 	tglx
> 
> .
> 


-- 
Thanks!
Yijing

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/