Re: [PATCH v2] KVM: PPC: Align pt_regs in kvm_vcpu_arch structure
Michael Ellerman <[email protected]>
| Newsgroups | org.kernel.vger.kvm-ppc,org.ozlabs.lists.linuxppc-dev |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 24 Jun 2022 11:27:12 -0300, Fabiano Rosas wrote:
> The H_ENTER_NESTED hypercall receives as second parameter the address
> of a region of memory containing the values for the nested guest
> privileged registers. We currently use the pt_regs structure contained
> within kvm_vcpu_arch for that end.
>
> Most hypercalls that receive a memory address expect that region to
> not cross a 4K page boundary. We would want H_ENTER_NESTED to follow
> the same pattern so this patch ensures the pt_regs structure sits
> within a page.
>
> [...]
Applied to powerpc/topic/ppc-kvm.
[1/1] KVM: PPC: Align pt_regs in kvm_vcpu_arch structure
https://git.kernel.org/powerpc/c/f5c847ea19d323974d6f7c7e9fa4858ce0727096
cheers