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Re: [Xen-devel] [PATCH v4 5/8] x86: rename hypervisor_{alloc, free}_unused_page



> -----Original Message-----
> From: Xen-devel <xen-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of Wei
> Liu
> Sent: 21 November 2019 19:51
> To: Xen Development List <xen-devel@xxxxxxxxxxxxxxxxxxxx>
> Cc: Wei Liu <liuwe@xxxxxxxxxxxxx>; Wei Liu <wl@xxxxxxx>; Andrew Cooper
> <andrew.cooper3@xxxxxxxxxx>; Michael Kelley <mikelley@xxxxxxxxxxxxx>; Jan
> Beulich <jbeulich@xxxxxxxx>; Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Subject: [Xen-devel] [PATCH v4 5/8] x86: rename hypervisor_{alloc,
> free}_unused_page
> 
> They are used in Xen code only.
> 
> No functional change.
> 
> Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>

Reviewed-by: Paul Durrant <pdurrant@xxxxxxxxxx>

> ---
> Changes in v4:
> 1. Use xg_ prefix instead.
> 2. Drop Roger's review tag.
> ---
>  xen/arch/x86/guest/xen/xen.c    | 6 +++---
>  xen/arch/x86/pv/shim.c          | 4 ++--
>  xen/include/asm-x86/guest/xen.h | 4 ++--
>  3 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/xen/arch/x86/guest/xen/xen.c b/xen/arch/x86/guest/xen/xen.c
> index 1e37086518..0f5b5267c5 100644
> --- a/xen/arch/x86/guest/xen/xen.c
> +++ b/xen/arch/x86/guest/xen/xen.c
> @@ -93,7 +93,7 @@ static void map_shared_info(void)
>      unsigned int i;
>      unsigned long rc;
> 
> -    if ( hypervisor_alloc_unused_page(&mfn) )
> +    if ( xg_alloc_unused_page(&mfn) )
>          panic("unable to reserve shared info memory page\n");
> 
>      xatp.gpfn = mfn_x(mfn);
> @@ -280,7 +280,7 @@ void hypervisor_ap_setup(void)
>      init_evtchn();
>  }
> 
> -int hypervisor_alloc_unused_page(mfn_t *mfn)
> +int xg_alloc_unused_page(mfn_t *mfn)
>  {
>      unsigned long m;
>      int rc;
> @@ -292,7 +292,7 @@ int hypervisor_alloc_unused_page(mfn_t *mfn)
>      return rc;
>  }
> 
> -int hypervisor_free_unused_page(mfn_t mfn)
> +int xg_free_unused_page(mfn_t mfn)
>  {
>      return rangeset_remove_range(mem, mfn_x(mfn), mfn_x(mfn));
>  }
> diff --git a/xen/arch/x86/pv/shim.c b/xen/arch/x86/pv/shim.c
> index 351da970ef..7a898fdbe5 100644
> --- a/xen/arch/x86/pv/shim.c
> +++ b/xen/arch/x86/pv/shim.c
> @@ -742,7 +742,7 @@ static long pv_shim_grant_table_op(unsigned int cmd,
>                  };
>                  mfn_t mfn;
> 
> -                rc = hypervisor_alloc_unused_page(&mfn);
> +                rc = xg_alloc_unused_page(&mfn);
>                  if ( rc )
>                  {
>                      gprintk(XENLOG_ERR,
> @@ -754,7 +754,7 @@ static long pv_shim_grant_table_op(unsigned int cmd,
>                  rc = xen_hypercall_memory_op(XENMEM_add_to_physmap,
> &xatp);
>                  if ( rc )
>                  {
> -                    hypervisor_free_unused_page(mfn);
> +                    xg_free_unused_page(mfn);
>                      break;
>                  }
> 
> diff --git a/xen/include/asm-x86/guest/xen.h b/xen/include/asm-
> x86/guest/xen.h
> index 3145f75361..01dc3ee6f6 100644
> --- a/xen/include/asm-x86/guest/xen.h
> +++ b/xen/include/asm-x86/guest/xen.h
> @@ -33,8 +33,8 @@ extern bool pv_console;
>  extern uint32_t xen_cpuid_base;
> 
>  void probe_hypervisor(void);
> -int hypervisor_alloc_unused_page(mfn_t *mfn);
> -int hypervisor_free_unused_page(mfn_t mfn);
> +int xg_alloc_unused_page(mfn_t *mfn);
> +int xg_free_unused_page(mfn_t mfn);
> 
>  DECLARE_PER_CPU(unsigned int, vcpu_id);
>  DECLARE_PER_CPU(struct vcpu_info *, vcpu_info);
> --
> 2.20.1
> 
> 
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