Messages in this thread | | | Date | Sun, 10 Jun 2007 10:36:01 +0300 | From | Avi Kivity <> | Subject | Re: [kvm-devel] [PATCH] KVM - Fix rmode_tss_base declaration |
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Jeff Dike wrote: > On Thu, Jun 07, 2007 at 08:09:48AM +0300, Avi Kivity wrote: > >> Some extra logic is needed on i386 with >= 4GB. Current code will >> wraparound since gfn_t is 32-bits long, but casting it to 64-bits is not >> the answer since the processor will truncate it back to 32 bits (the >> return value is eventually used as a long in enter_rmode()). >> > > Is it necessary to initialize TR in enter_rmode? I can't see anything > that says it has any meaning in real mode. > >
VT doesn't support real mode. kvm uses virtual-8086 mode to virtualize real mode. Virtual 8086 mode does require a task state segment.
-- error compiling committee.c: too many arguments to function
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