On Thu, Oct 10, 2024 at 05:32:04PM -0700, Deepak Gupta wrote: > VM_SHADOW_STACK (alias to VM_HIGH_ARCH_5) is used to encode shadow stack > VMA on three architectures (x86 shadow stack, arm GCS and RISC-V shadow > stack). In case architecture doesn't implement shadow stack, it's VM_NONE > Introducing a helper `is_shadow_stack_vma` to determine shadow stack vma > or not. > > Signed-off-by: Deepak Gupta <debug@xxxxxxxxxxxx> > --- > mm/gup.c | 2 +- > mm/vma.h | 10 +++++++--- > 2 files changed, 8 insertions(+), 4 deletions(-) As I noted in reply to the version of this patch in the RISC-V series there's another test for VM_SHADOW_STACK in mm/mmap.c.
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