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SubjectRe: [PATCH] x86/boot/64: Initialize 5-level paging variables earlier
On Mon, Oct 12, 2020 at 11:35:01AM -0400, Arvind Sankar wrote:
> > qemu supports it. -cpu "qemu64,+la57"
> Thanks! On QEMU, it does crash without this patch.

Works fine here. I gave this to qemu:

-cpu qemu64,+la57,vendor=GenuineIntel

it said:

qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:ECX.la57 [bit 16]

because host is AMD, probably, and I have


enabled for the guest kernel and tip:x86/seves booted fine.

What am I missing?


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