On Wed, 2018-10-03 at 17:08 +0200, Eugene Syromiatnikov wrote: > On Fri, Sep 21, 2018 at 08:03:42AM -0700, Yu-cheng Yu wrote: > > > diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c > > index 5ea1d64cb0b4..b20450dde5b7 100644 > > --- a/fs/proc/task_mmu.c > > +++ b/fs/proc/task_mmu.c > > @@ -652,6 +652,9 @@ static void show_smap_vma_flags(struct seq_file *m, > > struct vm_area_struct *vma) > > [ilog2(VM_PKEY_BIT4)] = "", > > #endif > > #endif /* CONFIG_ARCH_HAS_PKEYS */ > > +#ifdef CONFIG_X86_INTEL_SHADOW_STACK_USER > > + [ilog2(VM_SHSTK)] = "ss" > > +#endif > > It's probably makes sense to have this hunk as a part of "x86/cet/shstk: > Add Kconfig option for user-mode shadow stack", where VM_SHSTK was > initially introduced. Yes, move it to "mm/Introduce VM_SHSTK for shadow stack memory". Yu-cheng
