[PATCH -fixes 3/3] riscv: Optimize kernel virtual address conversion macro

[Alexandre Ghiti]

The current test in kernel_mapping_va_to_pa only applies when
CONFIG_XIP_KERNEL is set, so use IS_ENABLED to optimize this macro at
compile-time in standard kernels that do not require this test.

Signed-off-by: Alexandre Ghiti <alex at ghiti.fr>
---
 arch/riscv/include/asm/page.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h
index b0ca5058e7ae..10dc063868f6 100644
--- a/arch/riscv/include/asm/page.h
+++ b/arch/riscv/include/asm/page.h
@@ -123,7 +123,7 @@ extern phys_addr_t phys_ram_base;
 #define linear_mapping_va_to_pa(x)	((unsigned long)(x) - kernel_map.va_pa_offset)
 #define kernel_mapping_va_to_pa(y) ({						\
 	unsigned long _y = y;							\
-	(_y < kernel_map.virt_addr + XIP_OFFSET) ?					\
+	(IS_ENABLED(CONFIG_XIP_KERNEL) && _y < kernel_map.virt_addr + XIP_OFFSET) ?	\
 		((unsigned long)(_y) - kernel_map.va_kernel_xip_pa_offset) :		\
 		((unsigned long)(_y) - kernel_map.va_kernel_pa_offset - XIP_OFFSET);	\
 	})
-- 
2.30.2