Messages in this thread | | | Date | Sat, 3 Nov 2018 19:29:52 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [Patch v4 07/18] x86/smt: Convert cpu_smt_control check to cpu_smt_enabled static key |
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Tim,
On Tue, 30 Oct 2018, Tim Chen wrote:
> Change the SMT code paths check from using cpu_smt_control to > cpu_smt_enabled static key. This saves a branching check.
and adds extra size to the kernel for the patching. The only reason why it would make sense for kvm is that then the EXPORT of cpu_smt_control can go away, which takes more space than the patch data.
Thanks,
tglx
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