From: Sage Weil <sage@redhat.com>
Date: Tue, 2 Jun 2015 21:33:36 +0000 (-0700)
Subject: arm: fix build on older kernels
X-Git-Tag: v9.0.2~36^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=fdcc0072ddc6620061f5a3f4ece09f65ac77200d;p=ceph.git

arm: fix build on older kernels

that don't define HWCAP_CRC32

Fixes: #11461
Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/arch/arm.c b/src/arch/arm.c
index 5a47e3349235..3560eb7b6738 100644
--- a/src/arch/arm.c
+++ b/src/arch/arm.c
@@ -48,7 +48,11 @@ int ceph_arch_arm_probe(void)
 	ceph_arch_neon = (get_hwcap() & HWCAP_NEON) == HWCAP_NEON;
 #elif __aarch64__ && __linux__
 	ceph_arch_neon = (get_hwcap() & HWCAP_ASIMD) == HWCAP_ASIMD;
+# ifdef HWCAP_CRC32
 	ceph_arch_aarch64_crc32 = (get_hwcap() & HWCAP_CRC32) == HWCAP_CRC32;
+# else
+	ceph_arch_aarch64_crc32 = false;  // sorry!
+# endif
 #else
 	if (0)
 		get_hwcap();  // make compiler shut up