linux-kernel - RE: [PATCH 5/7] I/OAT: Add support for MSI and MSI-X

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: <D5C1322C3E673F459512FB59E0DDC32903446008@orsmsx414.amr.corp.intel.com>
Date:	Fri, 20 Jul 2007 15:07:20 -0700
From:	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
To:	"Manu Abraham" <abraham.manu@...il.com>,
	"Nelson, Shannon" <shannon.nelson@...el.com>
Cc:	"Roland Dreier" <rdreier@...co.com>,
	"Leech, Christopher" <christopher.leech@...el.com>,
	<akpm@...ux-foundation.org>, <linux-kernel@...r.kernel.org>,
	<davem@...emloft.net>, <jeff@...zik.org>,
	"Williams, Dan J" <dan.j.williams@...el.com>
Subject: RE: [PATCH 5/7] I/OAT: Add support for MSI and MSI-X


> Ok. Thanks for clearing it up. So the idea would be that if
> pci_enable_msix() for "n" number of messages failed, then 
> settle down for 1 message, which is equivalent to MSI mode

And if that fails to acquire the one vector for whatever reason (MSI
isn't enabled, or something is buggy in your chipset), fail back to
legacy interrupts.

Cheers,
-PJ Waskiewicz
-
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/