selftests/powerpc: Compile selftests against headers without AT_HWCAP2

cyrilbur-ibm · mpe · commit 96c447077c2f · 2016-09-23T22:36:05.000+10:00
It might be nice to compile selftests against older kernels and
headers but which may not have HWCAP2.

Signed-off-by: Cyril Bur &lt;cyrilbur@gmail.com&gt;
Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
@@ -32,10 +32,17 @@ static inline bool have_hwcap(unsigned long ftr)
 	return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
 }
 
+#ifdef AT_HWCAP2
 static inline bool have_hwcap2(unsigned long ftr2)
 {
 	return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
 }
+#else
+static inline bool have_hwcap2(unsigned long ftr2)
+{
+	return false;
+}
+#endif
 
 /* Yes, this is evil */
 #define FAIL_IF(x)						\

Original file line number	Diff line number	Diff line change
`@@ -32,10 +32,17 @@ static inline bool have_hwcap(unsigned long ftr)`
`32`	`32`	`return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;`
`33`	`33`	`}`
`34`	`34`
	`35`	`+#ifdef AT_HWCAP2`
`35`	`36`	`static inline bool have_hwcap2(unsigned long ftr2)`
`36`	`37`	`{`
`37`	`38`	`return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;`
`38`	`39`	`}`
	`40`	`+#else`
	`41`	`+static inline bool have_hwcap2(unsigned long ftr2)`
	`42`	`+{`
	`43`	`+ return false;`
	`44`	`+}`
	`45`	`+#endif`
`39`	`46`
`40`	`47`	`/* Yes, this is evil */`
`41`	`48`	`#define FAIL_IF(x) \`