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SubjectRe: [PATCH v2] arm64: invalidate TLB just before turning MMU on
On Fri, 14 Dec 2018 at 05:08, Qian Cai <cai@lca.pw> wrote:
> Also tried to move the local TLB flush part around a bit inside
> __cpu_setup(), although it did complete kdump some times, it did trigger
> "Synchronous Exception" in EFI after a cold-reboot fairly often that
> seems no way to recover remotely without reinstalling the OS.

This doesn't make any sense to me. If the system gets into a weird
state out of cold reboot, how could this code be the culprit? Please
check your firmware, and try to reproduce the issue on a system that
doesn't have such defects.

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