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Message-ID: <20240308171656.9034-1-stephen@networkplumber.org>
Date: Fri, 8 Mar 2024 09:15:59 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next 1/3] README: add note about kernel version compatibility
Since next netem changes will break some usages of out of support kernels,
add an explicit policy about range of kernel versions.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
README | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/README b/README
index 4eb9390a3ffa..a7d283cb809d 100644
--- a/README
+++ b/README
@@ -12,6 +12,19 @@ Stable version repository:
Development repository:
git://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git
+Compatibility
+-------------
+A new release of iproute2 is done with each kernel version, but
+there is a wide range of compatibility. Newer versions of iproute2
+will still work with older kernels, but there are some limitations.
+
+If an iproute2 command with a new feature is used with an older
+kernel, the kernel may report an error or silently ignore the new
+attribute. Likewise if older iproute2 is used with an newer kernel,
+it is not possible to use or see new features. The range of
+compatibility extends back as far as the oldest supported Long Term
+Support (LTS) kernel version.
+
How to compile this.
--------------------
1. libdbm
--
2.43.0
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