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SubjectRe: [PATCH 4.4 00/88] 4.4.168-stable review
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On 12/17/18 1:05 AM, Greg Kroah-Hartman wrote:
> On Sun, Dec 16, 2018 at 11:58:13PM +0000, Ben Hutchings wrote:
>> On Sat, 2018-12-15 at 07:45 -0800, Guenter Roeck wrote:
>>> On 12/15/18 12:07 AM, Greg Kroah-Hartman wrote:
>>>> On Fri, Dec 14, 2018 at 06:10:29PM -0800, Guenter Roeck wrote:
>>>>> On 12/14/18 3:59 AM, Greg Kroah-Hartman wrote:
>>>>>> This is the start of the stable review cycle for the 4.4.168 release.
>>>>>> There are 88 patches in this series, all will be posted as a response
>>>>>> to this one.  If anyone has any issues with these being applied, please
>>>>>> let me know.
>>>>>>
>>>>>> Responses should be made by Sun Dec 16 11:56:41 UTC 2018.
>>>>>> Anything received after that time might be too late.
>>>>>
>>>>> Build results:
>>>>> total: 170 pass: 145 fail: 25
>>>>> Failed builds:
>>>>> arm:allnoconfig
>>>>> arm:tinyconfig
>>>>> arm:efm32_defconfig
>>>>> blackfin:defconfig
>>>>> blackfin:BF561-EZKIT-SMP_defconfig
>>>>> c6x:dsk6455_defconfig
>>>>> c6x:evmc6457_defconfig
>>>>> c6x:evmc6678_defconfig
>>>>> h8300:allnoconfig
>>>>> h8300:tinyconfig
>>>>> h8300:edosk2674_defconfig
>>>>> h8300:h8300h-sim_defconfig
>>>>> h8300:h8s-sim_defconfig
>>>>> m68k:allnoconfig
>>>>> m68k:tinyconfig
>>>>> m68k:m5272c3_defconfig
>>>>> m68k:m5307c3_defconfig
>>>>> m68k:m5249evb_defconfig
>>>>> m68k:m5407c3_defconfig
>>>>> microblaze:nommu_defconfig
>>>>> microblaze:allnoconfig
>>>>> microblaze:tinyconfig
>>>>> sh:defconfig
>>>>> sh:allnoconfig
>>>>> sh:tinyconfig
>>>>> Qemu test results:
>>>>> total: 288 pass: 288 fail: 0
>>>>>
>>>>> mm/nommu.c: In function '__get_user_pages_unlocked':
>>>>> mm/nommu.c:211:49: error: 'write' undeclared (first use in this function)
>>>>> mm/nommu.c:211:56: error: 'force' undeclared (first use in this function)
>>>>> mm/nommu.c:212:9: warning: passing argument 7 of 'get_user_pages' from incompatible pointer type [enabled by default]
>>>>> mm/nommu.c:185:6: note: expected 'struct vm_area_struct **' but argument is of type 'struct page **'
>>>>> mm/nommu.c:212:9: error: too many arguments to function 'get_user_pages'
>>>>> mm/nommu.c:185:6: note: declared here
>>>>>
>>>>> Details are available at https://kerneltests.org/builders/.
>>>>
>>>> Ugh, I'll dig through this later on today, we must be missing something
>>>> with those backports that Ben did...
>>>>
>>>
>>> 69ce144e5c3a ("mm: replace get_user_pages() write/force parameters
>>> with gup_flags") seems to have missed converting a call of
>>> get_user_pages().
>>
>> Right. This was changed earlier upstream in commit cde70140fed8
>> "mm/gup: Overload get_user_pages() functions", but I don't think it
>> makes sense to apply all of that. I'm attaching a minimal patch
>> (tested with an arm allnoconfig build) which should ideally be inserted
>> before mm-replace-get_user_pages-write-force-parameters-with-
>> gup_flags.patch.
>>
>> Ben.
>>
>> --
>> Ben Hutchings, Software Developer   Codethink Ltd
>> https://www.codethink.co.uk/ Dale House, 35 Dale Street
>> Manchester, M1 2HF, United Kingdom
>
>> From 0d0afe933f60f5736c984e9171214aa34b18764c Mon Sep 17 00:00:00 2001
>> From: Ben Hutchings <ben.hutchings@codethink.co.uk>
>> Date: Sun, 16 Dec 2018 23:50:08 +0000
>> Subject: [PATCH] mm/nommu.c: Switch __get_user_pages_unlocked() to use
>> __get_user_pages()
>>
>> Extracted from commit cde70140fed8 "mm/gup: Overload get_user_pages()
>> functions". This is needed before picking commit 768ae309a961
>> "mm: replace get_user_pages() write/force parameters with gup_flags".
>>
>> Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
>> ---
>> mm/nommu.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/mm/nommu.c b/mm/nommu.c
>> index fa1560c218d5..2360546db065 100644
>> --- a/mm/nommu.c
>> +++ b/mm/nommu.c
>> @@ -208,8 +208,8 @@ long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm,
>> {
>> long ret;
>> down_read(&mm->mmap_sem);
>> - ret = get_user_pages(tsk, mm, start, nr_pages, write, force,
>> - pages, NULL);
>> + ret = __get_user_pages(tsk, mm, start, nr_pages, gup_flags, pages,
>> + NULL, NULL);
>> up_read(&mm->mmap_sem);
>> return ret;
>> }
>
> Thanks for the patch. I've added it to the queue and pushed out a -rc2
> with this in it.
>
> Let's see what the builders say :)
>

v4.4.167-89-g9c558d7fe359 seemed to be happy. v4.4.167-89-g50a0280f2f7e
replaced it and will take a while.

Guenter

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