Messages in this thread | | | Subject | Re: kernel: ldt allocation failed | Date | Wed, 6 Feb 2002 14:39:48 +0000 (GMT) | From | Alan Cox <> |
| |
> Are you sure it does? LGDT with non zero argument shouldn't be that costly. > The %fs switching adds some locked cycles for reloading the segment cache, > but because Windows uses that I would it expect to be reasonably optimized > on CPUs.
Its measurable, even on an Athlon.
> I actually tried to complain because on x86-64 it is more costly, but to > no avail.
The more I see from glibc the more I realise that Linus is right - it needs replacing
- 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/
| |