Re: [QEMU PATCH v3 6/9] vmstate: Add support for kernel integer types

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> On 18 Jun 2019, at 11:55, Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx> wrote:
> 
> * Liran Alon (liran.alon@xxxxxxxxxx) wrote:
>> Reviewed-by: Nikita Leshenko <nikita.leshchenko@xxxxxxxxxx>
>> Reviewed-by: Maran Wilson <maran.wilson@xxxxxxxxxx>
>> Signed-off-by: Liran Alon <liran.alon@xxxxxxxxxx>
>> ---
>> include/migration/vmstate.h | 18 ++++++++++++++++++
>> 1 file changed, 18 insertions(+)
>> 
>> diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
>> index 9224370ed59a..a85424fb0483 100644
>> --- a/include/migration/vmstate.h
>> +++ b/include/migration/vmstate.h
>> @@ -797,6 +797,15 @@ extern const VMStateInfo vmstate_info_qtailq;
>> #define VMSTATE_UINT64_V(_f, _s, _v)                                  \
>>     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
> 
> A comment here stating they're for Linux kernel types would be nice.

I didn’t want to state this because in theory these types can be used not in kernel context…
I thought commit message is sufficient. I think comments in code should be made to clarify
things. But to justify existence I think commit message should be used.
But if you insist, I have no strong objection of adding such comment.

> 
>> +#define VMSTATE_U8_V(_f, _s, _v)                                   \
>> +    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, __u8)
>> +#define VMSTATE_U16_V(_f, _s, _v)                                  \
>> +    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, __u16)
>> +#define VMSTATE_U32_V(_f, _s, _v)                                  \
>> +    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, __u32)
>> +#define VMSTATE_U64_V(_f, _s, _v)                                  \
>> +    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, __u64)
>> +
> 
> Have you checked that builds OK on a non-Linux system?

Hmm that’s a good point. No. :P

-Liran

> 
> Dave
> 
>> #define VMSTATE_BOOL(_f, _s)                                          \
>>     VMSTATE_BOOL_V(_f, _s, 0)
>> 
>> @@ -818,6 +827,15 @@ extern const VMStateInfo vmstate_info_qtailq;
>> #define VMSTATE_UINT64(_f, _s)                                        \
>>     VMSTATE_UINT64_V(_f, _s, 0)
>> 
>> +#define VMSTATE_U8(_f, _s)                                         \
>> +    VMSTATE_U8_V(_f, _s, 0)
>> +#define VMSTATE_U16(_f, _s)                                        \
>> +    VMSTATE_U16_V(_f, _s, 0)
>> +#define VMSTATE_U32(_f, _s)                                        \
>> +    VMSTATE_U32_V(_f, _s, 0)
>> +#define VMSTATE_U64(_f, _s)                                        \
>> +    VMSTATE_U64_V(_f, _s, 0)
>> +
>> #define VMSTATE_UINT8_EQUAL(_f, _s, _err_hint)                        \
>>     VMSTATE_SINGLE_FULL(_f, _s, 0, 0,                                 \
>>                         vmstate_info_uint8_equal, uint8_t, _err_hint)
>> -- 
>> 2.20.1
>> 
> --
> Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK





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