[dpdk-dev] [PATCH v4 4/4] xen_dom0: replace strict_strtoul with kstrtoul
Jincheng Miao
jmiao at redhat.com
Wed Dec 10 12:04:03 CET 2014
And add xen_dom0/compat.h for be compatible with older kernel.
Signed-off-by: Jincheng Miao <jmiao at redhat.com>
---
lib/librte_eal/linuxapp/xen_dom0/compat.h | 16 ++++++++++++++++
lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 2 +-
2 files changed, 17 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_eal/linuxapp/xen_dom0/compat.h
diff --git a/lib/librte_eal/linuxapp/xen_dom0/compat.h b/lib/librte_eal/linuxapp/xen_dom0/compat.h
new file mode 100644
index 0000000..89dab27
--- /dev/null
+++ b/lib/librte_eal/linuxapp/xen_dom0/compat.h
@@ -0,0 +1,16 @@
+/*
+ * Minimal wrappers to allow compiling xen_dom0 on older kernels.
+ */
+
+#ifndef RHEL_RELEASE_VERSION
+#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
+ (!(defined(RHEL_RELEASE_CODE) && \
+ RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
+
+#define kstrtoul strict_strtoul
+
+#endif /* < 2.6.39 */
+
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
index dfb271d..8a3727d 100644
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
+++ b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
@@ -123,7 +123,7 @@ store_memsize(struct device *dev, struct device_attribute *attr,
int err = 0;
unsigned long mem_size;
- if (0 != strict_strtoul(buf, 0, &mem_size))
+ if (0 != kstrtoul(buf, 0, &mem_size))
return -EINVAL;
mutex_lock(&dom0_dev.data_lock);
--
1.8.3.1
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