In message <20070602194151.GA1604_at_rot13.obsecurity.org>, Kris Kennaway writes: >> Anyone able to speculate why though? HPET only reads 32 bits from a >> memory mapped region. No locking or other requirements. ACPI_timer >> does multiple IO ops, which according to bde_at_ are much slower than >> memory reads. HPET needs to do metastability mitigation and is not "just a read from a memory mapped region". -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Sat Jun 02 2007 - 19:15:23 UTC
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