[PATCH 1/2] examples: systemtap: Warn users to properly update 'amd-sev-es-vmsa.stp'
The script references a very specific line in the kernel source code and
thus may need to be updated to work properly. Add a warning into the
comment and also print it to warn users.
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
examples/systemtap/amd-sev-es-vmsa.stp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/examples/systemtap/amd-sev-es-vmsa.stp
b/examples/systemtap/amd-sev-es-vmsa.stp
index 551ed739b7..14bfb01c10 100644
--- a/examples/systemtap/amd-sev-es-vmsa.stp
+++ b/examples/systemtap/amd-sev-es-vmsa.stp
@@ -19,6 +19,9 @@
# A script that captures the VMSA blob for the boot vCPU and
# first additional vCPU, when a KVM guest is booted with SEV-ES
#
+# NOTE: This directly references specific structures and places in the
+# kernel source code. If the code changes this example will break.
+#
# The captured VMSA will be printed to the console in hex format,
# and can be converted to the required binary format by feeding
# it through
@@ -27,6 +30,7 @@
#
probe begin {
+ printf("WARNING: Make sure this script is updated according to your kernel
source!\n")
printf("Running\n")
}
--
2.39.2