Messages in this thread |  | | From | youling 257 <> | Date | Sat, 13 Jun 2020 12:44:50 +0800 | Subject | Re: [PATCH v6 10/12] mmap locking API: rename mmap_sem to mmap_lock |
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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@google.com>: > On Thu, Jun 4, 2020 at 1:16 AM youling 257 <youling257@gmail.com> wrote: >> 2020-06-04 13:57 GMT+08:00, Michel Lespinasse <walken@google.com>: >> > 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. >
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