Messages in this thread | | | Subject | Re: [RFC PATCH 5/6] x86/alternatives: use temporary mm for text poking | From | Dave Hansen <> | Date | Wed, 29 Aug 2018 09:37:13 -0700 |
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On 08/29/2018 09:32 AM, Andy Lutomirski wrote: > It's plausible that there are workloads where the current code is > faster, such as where we're munmapping a single page via syscall and > we'd prefer to only flush that one TLB entry even if the flush > operation is slower as a result.
Yeah, I don't specifically remember testing it. But, I know I wanted to avoid throwing away thousands of TLB entries when we only want to rid ourselves of one.
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