riscv: fix race when vmap stack overflow

[platform/kernel/linux-starfive.git] / arch / riscv / include / asm / asm.h

diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h
index 618d7c5..e15a1c9 100644 (file)
--- a/arch/riscv/include/asm/asm.h
+++ b/arch/riscv/include/asm/asm.h
@@ -23,6 +23,7 @@
 #define REG_L          __REG_SEL(ld, lw)
 #define REG_S          __REG_SEL(sd, sw)
 #define REG_SC         __REG_SEL(sc.d, sc.w)
+#define REG_AMOSWAP_AQ __REG_SEL(amoswap.d.aq, amoswap.w.aq)
 #define REG_ASM                __REG_SEL(.dword, .word)
 #define SZREG          __REG_SEL(8, 4)
 #define LGREG          __REG_SEL(3, 2)