From: Kyle Hale <kh@u.northwestern.edu>
Date: Mon, 17 Jun 2013 23:29:34 +0000 (-0500)
Subject: cpuid bugfix for iface-pmu code
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=b848a02abdcdb8d4435227e46a2bcf54307fa735;p=palacios.releases.git

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
--- 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));
 }