On 10 November 2014 23:22, Dimitry Andric <d...@freebsd.org> wrote: > It is indeed used to calculate an address offset, but as it is already > checked against NOCPU, it should be good: > > gnu/usr.bin/gdb/kgdb/kthr.c: kt->cpu = td.td_oncpu; > gnu/usr.bin/gdb/kgdb/trgt_i386.c: if (kt == NULL || kt->cpu == NOCPU) > gnu/usr.bin/gdb/kgdb/trgt_i386.c: addr += (kt->cpu * NGDT + GPROC0_SEL) > * sizeof(sd); > > Maybe the test could be strengthened to check that kt->cpu >= 0, but it > might be overkill.
Ok, cool. Yeah, please do check that; it shouldn't ever be used as an address offset calculator if it's NOCPU. Thanks! -adrian _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
