Re: [PATCH v6 10/12] mmap locking API: rename mmap_sem to mmap_lock

[youling 257]

today test linux kernel master branch, I have kernel/sys.c build error.
can you make a fix patch and push to linus?

2020-06-04 16:38 GMT+08:00, Michel Lespinasse <walken@xxxxxxxxxx>:
> On Thu, Jun 4, 2020 at 1:16 AM youling 257 <youling257@xxxxxxxxx> wrote:
>> 2020-06-04 13:57 GMT+08:00, Michel Lespinasse <walken@xxxxxxxxxx>:
>> > However I would like more information about your report. Did you apply
>> > the series yourself ? If so, what base tree did you apply it onto ? If
>> > not, what tree did you use that already included the series ?
>>
>> I build linux next-20200603 tree have the kernel/sys.c error.
>
> Thanks for the info.
>
> The proper fix is to replace down_write(&mm->mmap_sem) with
> mmap_write_lock(mm) and up_write(&mm->mmap_sem) with
> mmap_write_unlock(mm)
>
> If you just needed a quick fix to get the tree to build, what you did
> (replacing mmap_sem with mmap_lock) is also fine.
>
> Thanks again !
>
> --
> Michel "Walken" Lespinasse
> A program is never fully debugged until the last user dies.
>