54 lines
1.6 KiB
Diff
54 lines
1.6 KiB
Diff
From 2feeb0f462875906ee2e754bb1526511393faee2 Mon Sep 17 00:00:00 2001
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From: Joe Lawrence <joe.lawrence@redhat.com>
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Date: Mon, 7 Nov 2022 11:02:00 -0500
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Subject: [PATCH] examples: add /proc/version kpatch sample
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Create a simple kpatch test that should apply across a wide range of
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kernels. The version_proc_show() is a good candidate as it's easy to
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verify and hasn't been touched upstream since 2008.
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Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
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---
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examples/proc-version.patch | 29 +++++++++++++++++++++++++++++
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1 file changed, 29 insertions(+)
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create mode 100644 examples/proc-version.patch
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diff --git a/examples/proc-version.patch b/examples/proc-version.patch
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new file mode 100644
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index 0000000..cb43236
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--- /dev/null
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+++ b/examples/proc-version.patch
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@@ -0,0 +1,29 @@
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+From 64aff1ab8f9a9f5df06c998be73d4981b77e480d Mon Sep 17 00:00:00 2001
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+From: Joe Lawrence <joe.lawrence@redhat.com>
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+Date: Mon, 7 Nov 2022 08:21:58 -0500
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+Subject: [PATCH] kpatch: modify /proc/version output
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+Content-type: text/plain
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+
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+This is a simple kpatch example that modifies version_proc_show() so
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+that the output of /proc/version will be prefixed by "kpatch ".
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+
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+Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
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+---
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+ fs/proc/version.c | 1 +
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+ 1 file changed, 1 insertion(+)
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+
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+diff --git a/fs/proc/version.c b/fs/proc/version.c
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+index 02e3c3cd4a9a..957faeea8f5c 100644
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+--- a/fs/proc/version.c
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++++ b/fs/proc/version.c
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+@@ -9,6 +9,7 @@
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+
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+ static int version_proc_show(struct seq_file *m, void *v)
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+ {
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++ seq_printf(m, "kpatch ");
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+ seq_printf(m, linux_proc_banner,
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+ utsname()->sysname,
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+ utsname()->release,
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+--
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+2.26.3
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+
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--
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2.27.0
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