virtcontainers: clh: Use 'quiet' as the default kernel parameter

The 'quiet' kernel parameter can avoid guest kernel logs while booting, which can reduce boot time. Fix: #2820 Signed-off-by: Bo Chen <[email protected]> (cherry picked from commit 7b2bfd4)
Jakob-Naucke · Oct 14, 2021 · eea2c01 · eea2c01
1 parent 1e798b9
commit eea2c01
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/runtime/virtcontainers/clh.go b/src/runtime/virtcontainers/clh.go
@@ -258,6 +258,9 @@ func (clh *cloudHypervisor) createSandbox(ctx context.Context, id string, networ
 	// Followed by extra debug parameters if debug enabled in configuration file
 	if clh.config.Debug {
 		params = append(params, clhDebugKernelParams...)
+	} else {
+		// start the guest kernel with 'quiet' in non-debug mode
+		params = append(params, Param{"quiet", ""})
 	}
 
 	// Followed by extra kernel parameters defined in the configuration file