Date: Wed, 24 Feb 2010 16:58:41 -0800 From: John-Mark Gurney <jmg@funkthat.com> To: Rajat Jain <rajatjain@juniper.net> Cc: freebsd-ia32@freebsd.org, freebsd-new-bus@freebsd.org, Sergey Babkin <babkin@verizon.net>, freebsd-arch@freebsd.org, freebsd-ppc@freebsd.org Subject: Re: Re: Strategy for PCI resource management (for supporting hot-plug) Message-ID: <20100225005841.GB58753@funkthat.com> In-Reply-To: <8506939B503B404A84BBB12293FC45F606B88E55@emailbng3.jnpr.net> References: <24099271.347187.1266964555857.JavaMail.root@vms061.mailsrvcs.net> <8506939B503B404A84BBB12293FC45F606B88E55@emailbng3.jnpr.net>
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Rajat Jain wrote this message on Wed, Feb 24, 2010 at 10:02 +0530:
> The only problem as you say is when we plug in a PCI card, which has a
> HOT-PLUGGABLE SLOT on it (on which we can plug in more cards). (This is
> because a bridge wants extra reserved resources only when it is hot-plug
> capable). Do such devices exist? Since theoretically possible, but
> practically extremely rare, I say we do not support this case.
There is an ExpressCard PCI-E expansion box (I have one) which you
could put a PCI-E cardbus adapter card in which would I believe be the
case that you are asking about... Now how many people would do that?
Not many, but more might put in multiport PCI-E cards.
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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