On Sunday 22 April 2007 08:54, Denis Vlasenko wrote: > On Saturday 21 April 2007 18:00, Ingo Molnar wrote: > > correct. Note that Willy reniced X back to 0 so it had no relevance on > > his test. Also note that i pointed this change out in the -v4 CFS > > > > announcement: > > || Changes since -v3: > > || > > || - usability fix: automatic renicing of kernel threads such as > > || keventd, OOM tasks and tasks doing privileged hardware access > > || (such as Xorg). > > > > i've attached it below in a standalone form, feel free to put it into > > SD! :) > > But X problems have nothing to do with "privileged hardware access". > X problems are related to priority inversions between server and client > processes, and "one server process - many client processes" case.
It's not a privileged hardware access reason that this code is there. This is obfuscation/advertising to make it look like there is a valid reason for X getting negative nice levels somehow in the kernel to make interactive testing of CFS better by default. -- -ck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/