Messages in this thread | | | Date | Fri, 09 Feb 2007 03:54:37 -0800 | From | Zachary Amsden <> | Subject | Re: [PATCH 6/10] lguest code: the little linux hypervisor. |
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Andi Kleen wrote: >> Yes, it is a bit, umm, innovative. If it is going to be kept, even if >> just for devel logging, you should disable interrupts around it. >> Changing segments is not a normal thing to do. >> > > Actually that wouldn't be needed because interrupts are not allowed to do any > user accesses. And contrary to the name it doesn't actually change > the segment registers, only state used by *_user. >
My bad, I fell for the same mistake as everyone. Set_fs is just way too confusing of a name now. But good to know interrupts must be disable in such a circumstance.
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