2023-09-13 14:39:18

by Juergen Gross

Subject: [PATCH 1/3] arm/xen: remove lazy mode related definitions

include/xen/arm/hypervisor.h contains definitions related to paravirt
lazy mode, which are used nowhere in the code.

All paravirt lazy mode related users are in x86 code, so remove the
definitions on Arm side.

Signed-off-by: Juergen Gross <[email protected]>
---
include/xen/arm/hypervisor.h | 12 ------------
1 file changed, 12 deletions(-)

diff --git a/include/xen/arm/hypervisor.h b/include/xen/arm/hypervisor.h
index 43ef24dd030e..9995695204f5 100644
--- a/include/xen/arm/hypervisor.h
+++ b/include/xen/arm/hypervisor.h
@@ -7,18 +7,6 @@
extern struct shared_info *HYPERVISOR_shared_info;
extern struct start_info *xen_start_info;

-/* Lazy mode for batching updates / context switch */
-enum paravirt_lazy_mode {
- PARAVIRT_LAZY_NONE,
- PARAVIRT_LAZY_MMU,
- PARAVIRT_LAZY_CPU,
-};
-
-static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
-{
- return PARAVIRT_LAZY_NONE;
-}
-
#ifdef CONFIG_XEN
void __init xen_early_init(void);
#else
--
2.35.3

2023-09-13 23:21:54

by Stefano Stabellini

Subject: Re: [PATCH 1/3] arm/xen: remove lazy mode related definitions

On Wed, 13 Sep 2023, Juergen Gross wrote:
> include/xen/arm/hypervisor.h contains definitions related to paravirt
> lazy mode, which are used nowhere in the code.
>
> All paravirt lazy mode related users are in x86 code, so remove the
> definitions on Arm side.
>
> Signed-off-by: Juergen Gross <[email protected]>

Acked-by: Stefano Stabellini <[email protected]>


> ---
> include/xen/arm/hypervisor.h | 12 ------------
> 1 file changed, 12 deletions(-)
>
> diff --git a/include/xen/arm/hypervisor.h b/include/xen/arm/hypervisor.h
> index 43ef24dd030e..9995695204f5 100644
> --- a/include/xen/arm/hypervisor.h
> +++ b/include/xen/arm/hypervisor.h
> @@ -7,18 +7,6 @@
> extern struct shared_info *HYPERVISOR_shared_info;
> extern struct start_info *xen_start_info;
>
> -/* Lazy mode for batching updates / context switch */
> -enum paravirt_lazy_mode {
> - PARAVIRT_LAZY_NONE,
> - PARAVIRT_LAZY_MMU,
> - PARAVIRT_LAZY_CPU,
> -};
> -
> -static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
> -{
> - return PARAVIRT_LAZY_NONE;
> -}
> -
> #ifdef CONFIG_XEN
> void __init xen_early_init(void);
> #else
> --
> 2.35.3
>