thermosphere: forgot compiler barrier in get_sysreg

2020-02-01 22:05:26 +00:00
parent 316166d8de
commit 95ea2f4f95
1 changed files with 3 additions and 3 deletions
--- a/thermosphere/src/sysreg.h
+++ b/thermosphere/src/sysreg.h
@@ -447,7 +447,7 @@

 #define GET_SYSREG(r) ({\
    u64 __val;                                                                      \
-    asm volatile("mrs %0, " STRINGIZE(r) : "=r" (__val));     \
+    __asm__ __volatile__("mrs %0, " STRINGIZE(r) : "=r" (__val) :: "memory");       \
    __val;                                                                          \
 })