Re: Dealing with SUBLEVEL overflow in backports

在 2022/2/7 10:50, Johannes Berg 写道:
> On Mon, 2022-02-07 at 10:15 +0100, Johannes Berg wrote:
>> On Mon, 2022-02-07 at 01:19 +0000, Jiaxun Yang wrote:
>>> Hi backport forks,
>>>
>>> I was trying to fix ckmake FAIL building against 4.9 for 4.9.297+.
>>>
>>> I found that macro KERNEL_VERSION_IN_RANGE(4,9,297, 4,10,0) won't work
>>> because SUBLEVEL 297 had overflowed 4 bit (255) in KERNEL_VERSION.
>>>
>>> How are we supposed to deal with such situation?
>>>
>> Hm. I guess the only way would be to somehow make a Kconfig variable in
>> backports, that uses the Makefile settings? But env="SUBLEVEL" doesn't
>> work, so not sure, maybe some Makefile trickery to extract it and write
>> it to the config?
Or is it possible to persuade stable forks to define LINUX_VERSION_SUBLEVEL
on existing stable releases?
>>
> Or just find a way to handle the specific area? Is this for the
> build_bug.h stuff?
Yes, any idea?

Thanks.
- Jiaxun

>
> johannes

--
To unsubscribe from this list: send the line "unsubscribe backports" in