lkml.org 
[lkml]   [2017]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3 3/6] android: binder: Move buffer out of area shared with user space
I just went back through it -- turns out my email bounced back from
linux-kernel@vger.kernel.org (reason was "may contain a virus"). Sorry
I didn't notice that and resend.

On Wed, Aug 30, 2017 at 1:20 PM, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> On Wed, Aug 30, 2017 at 01:04:31PM -0700, Arve Hjønnevåg wrote:
>> On Wed, Aug 30, 2017 at 2:29 AM, Dan Carpenter <dan.carpenter@oracle.com> wrote:
>> > On Tue, Aug 29, 2017 at 05:46:59PM -0700, Sherry Yang wrote:
>> >> Binder driver allocates buffer meta data in a region that is mapped
>> >> in user space. These meta data contain pointers in the kernel.
>> >>
>> >> This patch allocates buffer meta data on the kernel heap that is
>> >> not mapped in user space, and uses a pointer to refer to the data mapped.
>> >>
>> >> Also move alloc->buffers initialization from mmap to init since it's
>> >> now used even when mmap failed or was not called.
>> >>
>> >> Signed-off-by: Sherry Yang <sherryy@android.com>
>> >> ---
>> >
>> > The difference between v2 and v3 is that we've shifted some
>> > initialization around to fix the crashing bug that kbuild found. You
>> > should not that difference here under the --- cut off.
>> >
>> >> drivers/android/binder_alloc.c | 146 +++++++++++++++++++-------------
>> >> drivers/android/binder_alloc.h | 2 +-
>> >> drivers/android/binder_alloc_selftest.c | 11 ++-
>> >> 3 files changed, 91 insertions(+), 68 deletions(-)
>> >
>> > But really we still need to have some answers or discussion about the
>> > questions that Greg and I raised. Greg asked if the other Android devs
>> > had Acked this. Please ping Arve to Ack this.
>> >
>> tkjos@google.com replied and ack'ed v2. The changes have been reviewed
>> on android-review.googlesource.com. Do you want and ack or review tag
>> included in the patchset or do you want separate ack emails on each
>> patchset (or on each patch)?
>
> Just acking it once is fine. I don't see that email from Todd in my
> inbox and can't find it on the web archive either... Something must
> have gone wrong but I don't know what.
>
> regards,
> dan carpenter
>

\
 
 \ /
  Last update: 2017-08-30 23:04    [W:0.082 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site