Re: [Qemu-devel] [PATCH 2/2] target-i386: turn off CPU.l3-cache only for 2.7 and older machine types

[Marcel Apfelbaum]

On 09/14/2016 01:01 PM, Igor Mammedov wrote:
> commit (14c985cff target-i386: present virtual L3 cache info for vcpus)
> misplaced compat property putting it in new 2.8 machine type
> which would effectively to disable feature until 2.9 is released.
> Intent of commit probably should be to disable feature for 2.7
> and older while allowing not yet released 2.8 to have feature
> enabled by default.

Reviewed-by: Marcel Apfelbaum <address@hidden>

Thanks,
Marcel

> Signed-off-by: Igor Mammedov <address@hidden>
> ---
>  include/hw/i386/pc.h | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index d5654ab..1c5fd08 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -369,17 +369,16 @@ int e820_get_num_entries(void);
>  bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
>
>  #define PC_COMPAT_2_8 \
> +
> +#define PC_COMPAT_2_7 \
> +    PC_COMPAT_2_8 \
> +    HW_COMPAT_2_7 \
>      {\
>          .driver   = TYPE_X86_CPU,\
>          .property = "l3-cache",\
>          .value    = "off",\
>      },
>
> -
> -#define PC_COMPAT_2_7 \
> -    PC_COMPAT_2_8 \
> -    HW_COMPAT_2_7
> -
>  #define PC_COMPAT_2_6 \
>      PC_COMPAT_2_7 \
>      HW_COMPAT_2_6 \