Re: [PATCH] KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields

[Sean Christopherson]

On Mon, 28 Apr 2025 13:55:31 -0500, Tom Lendacky wrote:
> Commit 4e15a0ddc3ff ("KVM: SEV: snapshot the GHCB before accessing it")
> updated the SEV code to take a snapshot of the GHCB before using it. But
> the dump_ghcb() function wasn't updated to use the snapshot locations.
> This results in incorrect output from dump_ghcb() for the "is_valid" and
> "valid_bitmap" fields.
> 
> Update dump_ghcb() to use the proper locations.
> 
> [...]

Applied to kvm-x86 fixes.

Tom, I tried to find a middle ground between capturing the "snapshot" behavior
and not making it seem like the reported GPA is the GPA of the snapshot.  Holler
if you don't like the end result.

[1/1] KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields
      https://github.com/kvm-x86/linux/commit/5fea0c6c0ebe

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https://github.com/kvm-x86/linux/tree/next