> enami tsugutomo <tsugutomo.en...@jp.sony.com> wrote: > > > cvs rdiff -u -r1.11 -r1.12 src/sys/kern/subr_xcall.c > > > > Why XC_PRI_BIT is not placed at LSB instead MSB? > > Because you would lose the value (note, it is not a pointer).
A flag bit at LSB can be preserved by incrementing the counter by 2, can't it? Subtraction should be used to care counter wrap around that makes it easier. enami.
