Re: [PATCH v3 4/5] binder: Remove mmap_lock fallback
Suren Baghdasaryan <[email protected]> Mon, 3 Aug 2026 12:14:50 -0700
| Newsgroups | org.kvack.linux-mm,org.kernel.vger.linux-kernel,org.kernel.vger.netdev |
|---|---|
| Message-ID | <CAJuCfpG0wNiOcBmdANjL2Z8x_DPPgfh8dXsYVCeeHHtCfgHSSg@mail.gmail.com> |
On Mon, Aug 3, 2026 at 3:34=E2=80=AFAM Alice Ryhl <[email protected]> wr= ote: > > On Sun, Aug 02, 2026 at 02:54:58PM -0700, Suren Baghdasaryan wrote: > > From: Dave Hansen <[email protected]> > > > > Previously, the per-VMA locking could fail in the face of writers > > which necessitate a fallback to mmap_lock. The new > > vma_start_read_unlocked() will wait for writers instead of failing. > > > > Use the new helper. Wait for writers. Remove the fallback to mmap_lock. > > > > Signed-off-by: Dave Hansen <[email protected]> > > Signed-off-by: Suren Baghdasaryan <[email protected]> > > Reviewed-by: Alice Ryhl <[email protected]> Thanks!