On Wed, 2005-08-03 at 12:48 +0200, Ingo Molnar wrote: > > i dont think there's any. user_mode(regs) gets the closest - it might > make sense to generalize it over all arches. > > update_process_times() gets an arch-independent 'was the tick user-space > or kernel-space' flag, so the best starting point would be to look at > the output of: > > for N in `find . -name '*.c' | xargs grep update_process_times | > grep arch`; do echo $N; done | grep update_process_times | > sort | uniq -c > > which gives: > > 2 update_process_times() > 1 update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)), > 6 update_process_times(user); > 1 update_process_times(user_mode(fp)); > 33 update_process_times(user_mode(regs)); > 2 update_process_times(user_mode_vm(regs)); > > so ~33 calls use user_mode(regs), and the rest needs to be reviewed and > possibly changed. Looks doable.
Ingo, Thanks for the starting point. For now I'll submit a patch that doesn't do the user_mode checks as discussed before. Then if I can find something here, I'll send another patch on top of the first patch later. -- Steve - 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/