site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Hello Darwin-kernel List, Thank you very much. Jürgen _______________________________________________ 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 have some question regarding the speed of IODemoryDescriptor-

prepare().

Does the direction have an impact on the speed "prepare" needs to complete? And further more does the direction have an impact on DMA speed a PCIe Busmaster can reach on the prepared memory? This email sent to site_archiver@lists.apple.com