[PATCH v22 01/28] mm: VM_SHADOW_STACK definition for riscv
From: Deepak Gupta <hidden>
Date: 2025-10-20 20:22:40
Also in:
linux-arch, linux-devicetree, linux-fsdevel, linux-kselftest, linux-mm, linux-riscv, lkml, rust-for-linux
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
VM_HIGH_ARCH_5 is used for riscv Reviewed-by: Zong Li <redacted> Reviewed-by: Alexandre Ghiti <redacted> Acked-by: David Hildenbrand <redacted> Signed-off-by: Deepak Gupta <redacted> --- include/linux/mm.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index d16b33bacc32..2032d3f195f1 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h@@ -380,6 +380,13 @@ extern unsigned int kobjsize(const void *objp); # define VM_SHADOW_STACK VM_HIGH_ARCH_6 #endif +#if defined(CONFIG_RISCV_USER_CFI) +/* + * Following x86 and picking up the same bitpos. + */ +# define VM_SHADOW_STACK VM_HIGH_ARCH_5 +#endif + #ifndef VM_SHADOW_STACK # define VM_SHADOW_STACK VM_NONE #endif
--
2.45.0