riscv: Use macro definition instead of magic number

The KERN_VIRT_START defines the start virtual address of kernel space.
Use this macro instead of magic number.

Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Zong Li 2020-03-12 10:58:36 +08:00 committed by Palmer Dabbelt
parent 59c4da8640
commit 88d1103825
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@ -13,7 +13,7 @@
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_SIZE (UL(1) << (38 - KASAN_SHADOW_SCALE_SHIFT))
#define KASAN_SHADOW_START 0xffffffc000000000 /* 2^64 - 2^38 */
#define KASAN_SHADOW_START KERN_VIRT_START /* 2^64 - 2^38 */
#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
#define KASAN_SHADOW_OFFSET (KASAN_SHADOW_END - (1ULL << \