Messages in this thread | | | Subject | Re: gettimeofday order of magnitude slower with pmtimer, which is default | From | OGAWA Hirofumi <> | Date | Thu, 23 Mar 2006 04:54:30 +0900 |
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Avi Kivity <avi@argo.co.il> writes:
> OGAWA Hirofumi wrote: >> 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.
Umm.. I don't know. In userland, can we make a stable gettimeofday() from only PMTMR? -- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - 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/
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