| Message ID | 20220506073737.3823347-1-aik@ozlabs.ru |
|---|---|
| State | New |
| Headers | show |
| Series | [kernel] KVM: PPC: Book3s: PR: Enable default TCE hypercalls | expand |
Alexey Kardashevskiy <aik@ozlabs.ru> writes: > When KVM_CAP_PPC_ENABLE_HCALL was introduced, H_GET_TCE and H_PUT_TCE > were already implemented and enabled by default; however H_GET_TCE > was missed out on PR KVM (probably because the handler was in > the real mode code at the time). > > This enables H_GET_TCE by default. While at this, this wraps > the checks in ifdef CONFIG_SPAPR_TCE_IOMMU just like HV KVM. > > Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
On Fri, 6 May 2022 17:37:37 +1000, Alexey Kardashevskiy wrote: > When KVM_CAP_PPC_ENABLE_HCALL was introduced, H_GET_TCE and H_PUT_TCE > were already implemented and enabled by default; however H_GET_TCE > was missed out on PR KVM (probably because the handler was in > the real mode code at the time). > > This enables H_GET_TCE by default. While at this, this wraps > the checks in ifdef CONFIG_SPAPR_TCE_IOMMU just like HV KVM. > > [...] Applied to powerpc/topic/ppc-kvm. [1/1] KVM: PPC: Book3s: PR: Enable default TCE hypercalls https://git.kernel.org/powerpc/c/29592181c5496d93697a23e6dbb9d7cc317ff5ee cheers
diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index dc4f51ac84bc..a1f2978b2a86 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -433,9 +433,12 @@ int kvmppc_hcall_impl_pr(unsigned long cmd) case H_REMOVE: case H_PROTECT: case H_BULK_REMOVE: +#ifdef CONFIG_SPAPR_TCE_IOMMU + case H_GET_TCE: case H_PUT_TCE: case H_PUT_TCE_INDIRECT: case H_STUFF_TCE: +#endif case H_CEDE: case H_LOGICAL_CI_LOAD: case H_LOGICAL_CI_STORE: @@ -464,7 +467,10 @@ static unsigned int default_hcall_list[] = { H_REMOVE, H_PROTECT, H_BULK_REMOVE, +#ifdef CONFIG_SPAPR_TCE_IOMMU + H_GET_TCE, H_PUT_TCE, +#endif H_CEDE, H_SET_MODE, #ifdef CONFIG_KVM_XICS
When KVM_CAP_PPC_ENABLE_HCALL was introduced, H_GET_TCE and H_PUT_TCE were already implemented and enabled by default; however H_GET_TCE was missed out on PR KVM (probably because the handler was in the real mode code at the time). This enables H_GET_TCE by default. While at this, this wraps the checks in ifdef CONFIG_SPAPR_TCE_IOMMU just like HV KVM. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- arch/powerpc/kvm/book3s_pr_papr.c | 6 ++++++ 1 file changed, 6 insertions(+)