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Re: [Xen-devel] [PATCH 0/6] x86/suspend: State cleanup

On 18.12.2019 12:39, Andrew Cooper wrote:
> In practice, call gates where killed by SYS{CALL,ENTER}/{RET,EXIT} being
> 4x faster than anything referencing the IDT/GDT, and L*S have had a
> complicated history of availability even in the 32bit days.

I'm curious - what complicated history? They'd been added with the
386, and I don't recall any quirks or issues with them.


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