Messages in this thread | | | Date | Thu, 07 Jun 2007 08:09:48 +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 10:13:42AM +0800, Li, Xin B wrote: > >>> -static int rmode_tss_base(struct kvm* kvm) >>> +static unsigned long rmode_tss_base(struct kvm* kvm) >>> >> Should use gpa_t instead. >> > > Right you are, I didn't notice that type. > >
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()).
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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