I am dropping this patch based on our conversation, where we agreed, we
need to rootcause the migration failure.
On Thu, Jul 23, 2020 at 11:43:44AM +0530, Bharata B Rao wrote:
> On Fri, Jul 17, 2020 at 01:00:26AM -0700, Ram Pai wrote:
> > @@ -812,7 +842,7 @@ unsigned long
On Fri, Jul 17, 2020 at 01:00:26AM -0700, Ram Pai wrote:
> @@ -812,7 +842,7 @@ unsigned long kvmppc_h_svm_page_in(struct kvm *kvm,
> unsigned long gpa,
> struct vm_area_struct *vma;
> int srcu_idx;
> unsigned long gfn = gpa >> page_shift;
> - int ret;
> + int ret,
The page requested for page-in; sometimes, can have transient
references, and hence cannot migrate immediately. Retry a few times
before returning error.
The same is true for non-migrated pages that are migrated in
H_SVM_INIT_DONE hanlder. Retry a few times before returning error.
H_SVM_PAGE_IN
