Date: Mon, 10 Dec 2001 22:29:45 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Mike Smith <msmith@freebsd.org> Cc: Danny Braniss <danny@cs.huji.ac.il>, freebsd-hackers@FreeBSD.ORG Subject: Re: irq Message-ID: <3C15A7D9.236B2E4E@mindspring.com> References: <200112101752.fBAHqMV01179@mass.dis.org>
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Mike Smith wrote: > Er, you don't seem to understand how PCI interrupts work. > > You must (for now) pass RF_SHAREABLE in; eventually the PCI code will > stick it there for you anyway. All PCI interrupts are shareable; you > can't "ask" for an unshared vector; you get the one you're given, and you > should be thankful for that much. Lots of people are going without these > days. 8( I've considered the issue of getting network cards onto their own IRQs, and then handling them on different CPUs, for some performance sensitive applications. It's a reasonable thing to want, though the current answer is "you get what you are assigned, and if you want something else, then move the cards around until you are happy". -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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