On Fri, Mar 30, 2018 at 09:37:36AM +0900, Minchan Kim wrote:
On Fri, Mar 30, 2018 at 07:42:37AM +0800, kbuild test robot wrote:
Hi Minchan,
I love your patch! Yet something to improve:
Glad to hear.
It's first time someone loves my patch. ;-)
FYI, that message originates from Linus. :-)
[
On Fri, Mar 30, 2018 at 07:42:37AM +0800, kbuild test robot wrote:
> Hi Minchan,
>
> I love your patch! Yet something to improve:
Glad to hear.
It's first time someone loves my patch. ;-)
>
> [auto build test ERROR on staging/staging-testing]
> [also build test ERROR on v4.16-rc7 next-20180329]
Hi Minchan,
I love your patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.16-rc7 next-20180329]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/l
gt; Signed-off-by: Minchan Kim
>
> Sent wrong version. Sorry for that. Please ignore this and take it.
>
> >From 480e992d4a650fb98e1397114d75dea7af8e6d0c Mon Sep 17 00:00:00 2001
> From: Minchan Kim
> Date: Wed, 28 Mar 2018 11:32:42 +0900
> Subject: [PATCH v3] ANDROID:
0c Mon Sep 17 00:00:00 2001
From: Minchan Kim
Date: Wed, 28 Mar 2018 11:32:42 +0900
Subject: [PATCH v3] ANDROID: binder: change down_write to down_read
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
binder_update_page_range needs down_write of mmap_sem be
binder_update_page_range needs down_write of mmap_sem because
vm_insert_page need to change vma->vm_flags to VM_MIXEDMAP unless
it is set. However, when I profile binder working, it seems
every binder buffers should be mapped in advance by binder_mmap.
It means we could set VM_MIXEDMAP in bider_mma
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