site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com On Mar 20, 2006, at 10:17 AM, Jonathan Guy wrote: This is an extract from the bootcache source code * We support preloaded cache data by checking for a Mach-O * segment/section which can be populated with a playlist by the * linker. This is particularly useful in the CD mastering process, * as reading the playlist from CD is very slow and rebuilding the * kext at mastering time is not practical = Mike _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... I was wondering if any one could shed any light on what this means. If you look at /etc/rc, you'll see that BootCacheControl is invoked to load the BootCache playlist, which tells BootCache what to cache. In the boot-from-CD case, getting to that point takes quite a while and the contents of the CD aren't going to change, so you can optimise the process by pre-computing the layout up front and inserting the playlist directly into the kext. This is really only interesting if you are mastering or re-mastering bootable Mac OS media; the tools used for developing the BootCache playlist for these media aren't distributed since this is typically something that Apple does internally. This email sent to site_archiver@lists.apple.com