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On Fri, May 13, 2005 at 02:38:03PM -0400, Richard F. Rebel wrote: > On Fri, 2005-05-13 at 20:03 +0200, Andi Kleen wrote: > > This is not a kernel problem, but a user space problem. The fix > > is to change the user space crypto code to need the same number of cache line > > accesses on all keys. > > > > Disabling HT for this would the totally wrong approach, like throwing > > out the baby with the bath water. > > > > -Andi > > Why? It's certainly reasonable to disable it for the time being and > even prudent to do so. No, i strongly disagree on that. The reasonable thing to do is to fix the crypto code which has this vulnerability, not break a useful performance enhancement for everybody else. -Andi - 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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