linux-kernel - Re: [PATCH 3/3] binder: defer copies of pre-patched txn data

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Message-ID: <CAHRSSExk8iO5S+OP+GDGpysoMep8=bKW5tjEBJzOm+yAMeUqsQ@mail.gmail.com>
Date:   Wed, 24 Nov 2021 12:37:30 -0800
From:   Todd Kjos <tkjos@...gle.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     gregkh@...uxfoundation.org, christian@...uner.io, arve@...roid.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        maco@...gle.com, joel@...lfernandes.org, kernel-team@...roid.com
Subject: Re: [PATCH 3/3] binder: defer copies of pre-patched txn data

On Wed, Nov 24, 2021 at 4:44 AM Dan Carpenter <dan.carpenter@...cle.com> wrote:
>
> On Tue, Nov 23, 2021 at 11:17:37AM -0800, Todd Kjos wrote:
> > +static int binder_do_deferred_txn_copies(struct binder_alloc *alloc,
> > +                                      struct binder_buffer *buffer,
> > +                                      struct list_head *sgc_head,
> > +                                      struct list_head *pf_head)
> > +{
> > +     int ret = 0;
> > +     struct list_head *entry, *tmp;
> > +     struct binder_ptr_fixup *pf =
> > +             list_first_entry_or_null(pf_head, struct binder_ptr_fixup,
> > +                                      node);
> > +
> > +     list_for_each_safe(entry, tmp, sgc_head) {
>         ^^^^^^^^^^^^^^^^^^^
> All the list_for_each() loops can be changed to list_for_each_entry().
>
>
>         list_for_each_entry_safe(sgc, tmp, sgc_head, node) {

Will change. Thanks for the suggestion.

>
> regards,
> dan carpenter
>
>
>
> > +             size_t bytes_copied = 0;
> > +             struct binder_sg_copy *sgc =
> > +                     container_of(entry, struct binder_sg_copy, node);
> > +
>
> --
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>