Messages in this thread | | | Date | Wed, 22 Mar 2006 21:12:15 +0200 | From | Avi Kivity <> | Subject | Re: gettimeofday order of magnitude slower with pmtimer, which is default |
| |
OGAWA Hirofumi wrote: > john stultz <johnstul@us.ibm.com> writes: > > >> In my TOD rework I've dropped the triple read, figuring if a problem >> arose we could blacklist the specific box. This patch covers that, so it >> looks like a good idea to me. >> >> I've not tested it myself, but if you feel good about it, please send it >> to Andrew. >> > > Current patch is the following. If I'm missing something, or you have > some comment, please tell me. (Since I don't have ICH4, ICH4 detection > is untested) > Doesn't it make sense to mark the port as user accessible in the I/O permissions bitmap and export it as a vsyscall? that would save the syscall overhead.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |