From c69b9a59a87cbe9855f041cdcf89bc5c94597255 Mon Sep 17 00:00:00 2001 From: jhb Date: Wed, 15 Nov 2006 20:02:20 +0000 Subject: Add a note about the MSI support with details on how to turn MSI off if things break. --- UPDATING | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'UPDATING') diff --git a/UPDATING b/UPDATING index 428234b..e48606d 100644 --- a/UPDATING +++ b/UPDATING @@ -20,6 +20,14 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 7.x IS SLOW: in userland, and various verbose features in the kernel. Many developers choose to disable these features on build machines to maximize performance. + +20061113: + Support for PCI Message Signalled Interrupts on i386 and amd64 + has been added to the kernel and various drivers will soon be + updated to use MSI when it is available. If there are any problems, + MSI can be disabled completely by setting the 'hw.pci.enable_msi' + and 'hw.pci.enable_msix' tunables to 0 in the loader. + 20061110: The MUTEX_PROFILING option has been renamed to LOCK_PROFILING. The lockmgr object layout has been changed as a result of having -- cgit v1.1