Map 'xen_nopv' to 'nopv' and mark 'xen_nopv' obsolete in kernel-parameters.txt
Signed-off-by: Zhenzhong Duan <[email protected]> Cc: Boris Ostrovsky <[email protected]> Cc: Juergen Gross <[email protected]> Cc: Stefano Stabellini <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Borislav Petkov <[email protected]> --- Documentation/admin-guide/kernel-parameters.txt | 6 ++++++ arch/x86/xen/enlighten_hvm.c | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index d5c3dcc..34eb323 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5264,6 +5264,12 @@ improve timer resolution at the expense of processing more timer interrupts. + xen_nopv [X86] + Disables the PV optimizations forcing the HVM guest to + run as generic HVM guest with no PV drivers. + This option is obsoleted by the "nopv" option, which + has equivalent effect for XEN platform. + nopv= [X86,XEN,KVM,HYPER_V,VMWARE] Disables the PV optimizations forcing the guest to run as generic guest with no PV drivers. Currently support diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 340dff8..5cdd608 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -211,6 +211,13 @@ static void __init xen_hvm_guest_init(void) #endif } +static __init int xen_parse_nopv(char *arg) +{ + nopv = true; + return 0; +} +early_param("xen_nopv", xen_parse_nopv); + bool __init xen_hvm_need_lapic(void) { if (xen_pv_domain()) -- 1.8.3.1
