located at /usr/share/kvm/cpu-flags-understood-$arch
This file can be read by qemu-server's "query_understood_cpu_flags"
function, avoiding a more expensive call to QEMU.
For now, only x86_64 is implemented, since aarch64 doesn't print any flags when
called this way.
Signed-off-by: Stefan Reiter <s.rei...@proxmox.com>
---
debian/rules | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/debian/rules b/debian/rules
index 8f428c7..7cf73fb 100755
--- a/debian/rules
+++ b/debian/rules
@@ -128,6 +128,15 @@ install: build
rm -Rf $(destdir)/usr/include
rm -Rf $(destdir)/usr/lib*
+ # write files for understood CPU flags, since these are static for every
+ # version (saves a QEMU call in qemu-server at runtime)
+ $(destdir)/usr/bin/qemu-system-x86_64 -cpu help \
+ | perl -0777 -pe ' \
+ s/^.*Recognized CPUID flags://s; # remove up to flags \
+ s/\n{2,}.*$$//s; # remove any trailing text \
+ s/\s{2,}|\n/\s/g; # remove unnecessary whitespace \
+ ' > $(destdir)/usr/share/kvm/cpu-flags-understood-x86_64
+
# Build architecture-independent files here.
binary-indep: build install
# We have nothing to do by default.
--
2.20.1
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