From: Jincheng Miao <jmiao@redhat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v4 3/4] kni: replace strict_strtoul with kstrtoul
Date: Wed, 10 Dec 2014 19:04:02 +0800 [thread overview]
Message-ID: <1418209443-1744-4-git-send-email-jmiao@redhat.com> (raw)
In-Reply-To: <1418209443-1744-1-git-send-email-jmiao@redhat.com>
Add kni/compat.h for be compatible with older kernel.
Signed-off-by: Jincheng Miao <jmiao@redhat.com>
---
lib/librte_eal/linuxapp/kni/compat.h | 16 ++++++++++++++++
lib/librte_eal/linuxapp/kni/kni_vhost.c | 3 ++-
2 files changed, 18 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_eal/linuxapp/kni/compat.h
diff --git a/lib/librte_eal/linuxapp/kni/compat.h b/lib/librte_eal/linuxapp/kni/compat.h
new file mode 100644
index 0000000..39e07ef
--- /dev/null
+++ b/lib/librte_eal/linuxapp/kni/compat.h
@@ -0,0 +1,16 @@
+/*
+ * Minimal wrappers to allow compiling kni 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/kni/kni_vhost.c b/lib/librte_eal/linuxapp/kni/kni_vhost.c
index 7bcc985..35263f2 100644
--- a/lib/librte_eal/linuxapp/kni/kni_vhost.c
+++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c
@@ -35,6 +35,7 @@
#include "kni_dev.h"
#include "kni_fifo.h"
+#include "compat.h"
#define RX_BURST_SZ 4
@@ -740,7 +741,7 @@ set_sock_en(struct device *dev, struct device_attribute *attr,
unsigned long en;
int err = 0;
- if (0 != strict_strtoul(buf, 0, &en))
+ if (0 != kstrtoul(buf, 0, &en))
return -EINVAL;
if (en)
--
1.8.3.1
next prev parent reply other threads:[~2014-12-10 11:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-10 11:03 [dpdk-dev] [PATCH v4 0/4] compatibility fallback and replacement of kernel function invoking Jincheng Miao
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 1/4] igb_uio: compatible with upstream longterm kernel and RHEL Jincheng Miao
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 2/4] igb_uio: replace strict_strtoul with kstrtoul Jincheng Miao
2014-12-10 11:04 ` Jincheng Miao [this message]
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 4/4] xen_dom0: " Jincheng Miao
2014-12-10 12:27 ` Thomas Monjalon
2014-12-10 13:03 ` Jincheng Miao
2014-12-11 1:00 ` [dpdk-dev] [PATCH v4 0/4] compatibility fallback and replacement of kernel function invoking Thomas Monjalon
2014-12-11 3:16 ` Jincheng Miao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1418209443-1744-4-git-send-email-jmiao@redhat.com \
--to=jmiao@redhat.com \
--cc=dev@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).