On Mon, 2023-03-06 at 14:01 +0100, Borislav Petkov wrote: > On Mon, Feb 27, 2023 at 02:29:38PM -0800, Rick Edgecombe wrote: > > From: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> > > > > The x86 Control-flow Enforcement Technology (CET) feature includes > > a new > > type of memory called shadow stack. This shadow stack memory has > > some > > unusual properties, which requires some core mm changes to function > > properly. > > > > Account shadow stack pages to stack memory. Do this by adding a > > VM_SHADOW_STACK check in is_stack_mapping(). > > That last sentence is superfluous. Before this version it was open coded, but David Hildenbrand suggested this is_stack_mapping() solution. Should it be explained more, or just dropped?
