K 10 svn:author V 5 tegge K 8 svn:date V 27 2001-02-22T19:50:37.000000Z K 7 svn:log V 233 Protect update of the per processor switchtime variable against interrupts. Protect usage of the per processor switchtime variable against interrupts in calcru(). This seem to eliminate the "microuptime() went backwards" warnings. END