Modify the custom parameter parsing routines in:
xen/arch/x86/apic.c
to indicate whether the parameter value was parsed successfully.
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Signed-off-by: Juergen Gross <jgr...@suse.com>
Acked-by: Wei Liu <wei.l...@citrix.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
---
xen/arch/x86/apic.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/xen/arch/x86/apic.c b/xen/arch/x86/apic.c
index 851a6cc6cb..325b48074a 100644
--- a/xen/arch/x86/apic.c
+++ b/xen/arch/x86/apic.c
@@ -785,23 +785,28 @@ int lapic_resume(void)
* Original code written by Keir Fraser.
*/
-static void __init lapic_disable(char *str)
+static int __init lapic_disable(const char *str)
{
enable_local_apic = -1;
setup_clear_cpu_cap(X86_FEATURE_APIC);
+ return 0;
}
custom_param("nolapic", lapic_disable);
boolean_param("lapic", enable_local_apic);
-static void __init apic_set_verbosity(char *str)
+static int __init apic_set_verbosity(const char *str)
{
if (strcmp("debug", str) == 0)
apic_verbosity = APIC_DEBUG;
else if (strcmp("verbose", str) == 0)
apic_verbosity = APIC_VERBOSE;
- else
+ else {
printk(KERN_WARNING "APIC Verbosity level %s not recognised"
" use apic_verbosity=verbose or apic_verbosity=debug", str);
+ return -EINVAL;
+ }
+
+ return 0;
}
custom_param("apic_verbosity", apic_set_verbosity);
--
2.12.3
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