Re: [PATCH 20/20] x86_64: Move CPU verification code to common file

Andi Kleen wrote:

May hang be done optional? There was a discussion about applying
"panic" reboot timeout here. Is it possible to implement somehow?

It would be tricky, but might be possible.  But that would be a completely

new feature -- the kernel has always hung in this case. If you think you need it submit a (followup) patch. But I don't think it's fair to ask Vivek to do it.

Besides i don't think it would be any useful. panic reboot only
makes sense if you can recover after reboot. But if your CPU somehow

suddenly loses its ability to run 64bit code, no reboot of the world will recover.

Not true. Some bootloaders support a fallback kernel. This case is particular important if one accidentally installs the wrong kernel for the machine.

	-hpa
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---

• References:
  • [RFC][PATCH 0/20] x86_64: Relocatable bzImage (V3)
    • From: Vivek Goyal <[email protected]>
  • [PATCH 20/20] x86_64: Move CPU verification code to common file
    • From: Vivek Goyal <[email protected]>
  • Re: [PATCH 20/20] x86_64: Move CPU verification code to common file
    • From: Oleg Verych <[email protected]>
  • Re: [PATCH 20/20] x86_64: Move CPU verification code to common file
    • From: Andi Kleen <[email protected]>

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