riscv: Remove SHADOW_OVERFLOW_STACK_SIZE macro

Song Shuai · palmer-dabbelt · commit a7565f4d068b · 2024-01-09T20:10:38.000-08:00
The commit be97d0d ("riscv: VMAP_STACK overflow detection thread-safe") got rid of `shadow_stack`, so SHADOW_OVERFLOW_STACK_SIZE should be removed too. Fixes: be97d0d ("riscv: VMAP_STACK overflow detection thread-safe") Signed-off-by: Song Shuai <songshuaishuai@tinylab.org> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Link: https://lore.kernel.org/r/20231211110331.359534-1-songshuaishuai@tinylab.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/arch/riscv/include/asm/thread_info.h b/arch/riscv/include/asm/thread_info.h
@@ -28,7 +28,6 @@
 
 #define THREAD_SHIFT            (PAGE_SHIFT + THREAD_SIZE_ORDER)
 #define OVERFLOW_STACK_SIZE     SZ_4K
-#define SHADOW_OVERFLOW_STACK_SIZE (1024)
 
 #define IRQ_STACK_SIZE		THREAD_SIZE
 
