Re: [PATCH v3 01/27] KVM: nSVM: Flush the TLB after forcefully leaving nested

[Jim Mattson]

On Mon, Oct 12, 2026 at 4:36 PM Yosry Ahmed <yosry@xxxxxxxxxx> wrote:
>
> KVM flushes the TLB on nested VM-Enter and nested VM-Exit, but not when
> forcefully leaving nested. In this case, L2 TLB entries can leak into
> L1. Flush the TLB after forcefully exiting L2, similar to nested
> VM-Exits.
>
> Note that vmx_leave_nested() handles this correctly, as it reuses
> nested_vmx_vmexit(), which handles the necessary TLB flushes on an L2 ->
> L1 transition.

Fixes: ???
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Yosry Ahmed <yosry@xxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>