Modify the custom parameter parsing routines in: xen/arch/x86/hvm/vmx/vmcs.c
to indicate whether the parameter value was parsed successfully. Cc: Jun Nakajima <jun.nakaj...@intel.com> Cc: Kevin Tian <kevin.t...@intel.com> 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> --- xen/arch/x86/hvm/vmx/vmcs.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c index 2008fee280..4ddcbd7e5e 100644 --- a/xen/arch/x86/hvm/vmx/vmcs.c +++ b/xen/arch/x86/hvm/vmx/vmcs.c @@ -74,9 +74,10 @@ static s8 __read_mostly opt_ept_ad = -1; * pml Enable PML * ad Use A/D bits */ -static void __init parse_ept_param(char *s) +static int __init parse_ept_param(char *s) { char *ss; + int rc = 0; do { bool_t val = !!strncmp(s, "no-", 3); @@ -92,9 +93,13 @@ static void __init parse_ept_param(char *s) opt_pml_enabled = val; else if ( !strcmp(s, "ad") ) opt_ept_ad = val; + else + rc = -EINVAL; s = ss + 1; } while ( ss ); + + return rc; } custom_param("ept", parse_ept_param); -- 2.12.3 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel