Re: [PATCH v2 02/20] hw/i386/pc: Use size_t type to hold/return a size of array

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On Thu, Jun 13, 2019 at 04:34:28PM +0200, Philippe Mathieu-Daudé wrote:
> Reviewed-by: Li Qiang <liq3ea@xxxxxxxxx>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>

Motivation? do you expect more than 2^31 entries?

> ---
>  hw/i386/pc.c         | 4 ++--
>  include/hw/i386/pc.h | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index bb3c74f4ca..ff0f6bbbb3 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -105,7 +105,7 @@ struct e820_table {
>  
>  static struct e820_table e820_reserve;
>  static struct e820_entry *e820_table;
> -static unsigned e820_entries;
> +static size_t e820_entries;
>  struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
>  
>  /* Physical Address of PVH entry point read from kernel ELF NOTE */
> @@ -901,7 +901,7 @@ int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
>      return e820_entries;
>  }
>  
> -int e820_get_num_entries(void)
> +size_t e820_get_num_entries(void)
>  {
>      return e820_entries;
>  }
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index 3b3a0d6e59..fc29893624 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -290,7 +290,7 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
>  #define E820_UNUSABLE   5
>  
>  int e820_add_entry(uint64_t, uint64_t, uint32_t);
> -int e820_get_num_entries(void);
> +size_t e820_get_num_entries(void);
>  bool e820_get_entry(unsigned int, uint32_t, uint64_t *, uint64_t *);
>  
>  extern GlobalProperty pc_compat_4_0_1[];
> -- 
> 2.20.1



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