s390x/DYNAMIC_ARCH: define a HW_CAP flag to support slightly older glibc versions
authorMarius Hillenbrand <mhillen@linux.ibm.com>
Mon, 7 Sep 2020 15:13:03 +0000 (17:13 +0200)
committerMarius Hillenbrand <mhillen@linux.ibm.com>
Tue, 8 Sep 2020 17:34:18 +0000 (19:34 +0200)
Enable building DYNAMIC_ARCH support with older versions of glibc that
do not know about the hwcap flag HWCAP_S390_VXE yet.

Signed-off-by: Marius Hillenbrand <mhillen@linux.ibm.com>
driver/others/dynamic_zarch.c

index dac8909..bf5eab9 100644 (file)
@@ -65,6 +65,10 @@ char* gotoblas_corename(void) {
        return corename[0];
 }
 
+#ifndef HWCAP_S390_VXE
+#define HWCAP_S390_VXE 8192
+#endif
+
 /**
  * Detect the fitting set of kernels by retrieving the CPU features supported by
  * OS from the auxiliary value AT_HWCAP and choosing the set of kernels