From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Date: Wed, 07 Feb 2001 19:00:56 +0000 Subject: Re: Adding PCMCIA support to the kernel tree -- developers needed. Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org Oliver, > You need to prevent any changes to the bus while you do the scanning. > Running hotplug support is not enough. You need further kernel support > to do racefree scanning. It gets worse if you take into account interference > with non hotpluggable busses (SCSI). Since I think the device naming needs work (PCI/USB/... bus level, then levels above like "eth0", /dev/lp0, and so on) I'll just say that the interference issues should be globally removed by providing and using stable names (in the right ways :-). > Therefore I suggest scanning in kernel space. That gets interesting. How would a usermode program request that, say, the PCI or USB devices now present all get "hotplug" events? I agree that it's likely easier to solve the locking issues "well" there, but wonder how those dots would get connected. - Dave _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel