cpuid bugfix for iface-pmu code

cpuid_string was not properly dereferencing a pointer, causing invalid
results to be returned by cpuid in eax

diff --git a/linux_module/iface-pmu.c b/linux_module/iface-pmu.c
index 094fdb2..2650069 100644 (file)
--- a/linux_module/iface-pmu.c
+++ b/linux_module/iface-pmu.c
@@ -39,7 +39,7 @@ static DEFINE_PER_CPU(u32, pmu_refcount) = 0;
 
 static inline void cpuid_string(u32 id, u32 dest[4]) {
   asm volatile("cpuid"
-              :"=a"(dest),"=b"(*(dest+1)),"=c"(*(dest+2)),"=d"(*(dest+3))
+              :"=a"(*dest),"=b"(*(dest+1)),"=c"(*(dest+2)),"=d"(*(dest+3))
               :"a"(id));
 }