On Thu, 2023-10-26 at 11:34 -0500, Haitao Huang wrote: > On Thu, 26 Oct 2023 11:01:57 -0500, Reinette Chatre > <reinette.chatre@xxxxxxxxx> wrote: > > > > > > > On 10/25/2023 4:58 PM, Huang, Kai wrote: > > > On Wed, 2023-10-25 at 07:31 -0700, Hansen, Dave wrote: > > > > On 10/19/23 19:53, Haitao Huang wrote: > > > > > In the EAUG on page fault path, VM_FAULT_OOM is returned when the > > > > > Enclave Page Cache (EPC) runs out. This may trigger unneeded OOM kill > > > > > that will not free any EPCs. Return VM_FAULT_SIGBUS instead. > > > > This commit message does not seem accurate to me. From what I can tell > > VM_FAULT_SIGBUS is indeed returned when EPC runs out. What is addressed > > with this patch is the error returned when kernel (not EPC) memory runs > > out. > > > > > Sorry I got it mixed up between sgx_alloc_epc_page and sgx_encl_page_alloc > returns. > You are right. Please drop this patch. > It's already in tip/x86/urgent. Please send a patch to revert?
