Re: [PATCH 4/6] Revert "x86/sev-es: Handle string port IO to kernel memory properly"

From: Joerg Roedel
Date: Wed May 19 2021 - 08:22:56 EST


On Wed, May 12, 2021 at 05:38:29PM +0000, Sean Christopherson wrote:
> Alternatively, and probably even better, fold this revert into the switch to
> the unchecked version (sounds like those will use kernel-specific flavors?).

I folded this revert into the previous commit. But I kept the
__get_user()/__put_user() calls and just added a comment explaining why
they are used and why it is safe to use them.

After all, even the get_kernel*() functions call __get_user_size() under
the hood.

Regards,

Joerg