Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 29 Feb 2024 11:21:36 +1300 | Subject | Re: [PATCH 1/4] x86/coco: Add a new CC attribute to unify cache flush during kexec | From | "Huang, Kai" <> |
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On 29/02/2024 12:02 am, Borislav Petkov wrote: > On Wed, Feb 28, 2024 at 09:21:00AM +0000, Huang, Kai wrote: >> Based on this I'll change to do unconditional WBINVD during kexec() for in >> stop_this_cpu() and relocate_kernel(). Please let me know if you have any >> comments. > > Yes, pls make sure to summarize in the commit message what this thread > figured out. But basically, we want to try the simple approach and > WBINVD unconditionally on the CPU stopping path so that caches are clean > and there's no potential issues... >
Yes will do. Thanks for the feedback.
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