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Message-ID: <5767EEA9.1070104@roeck-us.net>
Date: Mon, 20 Jun 2016 06:24:57 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Pali Rohár <pali.rohar@...il.com>
Cc: Jean Delvare <jdelvare@...e.com>,
Jan C Peters <jcpeters89@...il.com>,
Thorsten Leemhuis <fedora@...mhuis.info>,
David Santamaría Rogado <howl.nsp@...il.com>,
Peter Saunderson <peteasa@...il.com>,
Tolga Cakir <cevelnet@...il.com>,
"Austin S. Hemmelgarn" <ahferroin7@...il.com>,
Mario_Limonciello@...l.com,
Gabriele Mazzotta <gabriele.mzt@...il.com>,
Michał Kępień
<kernel@...pniu.pl>, Dakota Whipple <dakotajaywhipple@...il.com>,
Leon Yu <leon@...nyu.net>, linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] dell-smm-hwmon fixes
On 06/20/2016 02:12 AM, Pali Rohár wrote:
> On Sunday 19 June 2016 00:39:47 Pali Rohár wrote:
>> On Saturday 18 June 2016 18:54:58 Guenter Roeck wrote:
>>> On 06/18/2016 08:26 AM, Pali Rohár wrote:
>>>> On Saturday 18 June 2016 17:13:59 Guenter Roeck wrote:
>>>>> On 06/17/2016 03:54 PM, Pali Rohár wrote:
>>>>>> I'm sending all my dell-smm-hwmon patches in one series, because
>>>>>> due to changes in code other patches depends on previous.
>>>>>>
>>>>>> First two patches fixes problem with old /proc/i8k file. Second
>>>>>> is security fix and should be backported to all stable kernels
>>>>>> (that problem was there always). I tested i8kctl tool (from
>>>>>> i8kutils package) that it still works with these patches.
>>>>>> Without root access for those security operations just showes
>>>>>> '?' or '-1'.
>>>>>>
>>>>>> Third and fourth patches try to fix problem on machines with
>>>>>> broken SMM/BIOS when calling function fan_type().
>>>>>>
>>>>>> Fifth is new feature and last sixth useful for debugging.
>>>>>>
>>>>>> Pali Rohár (6):
>>>>>> hwmon: (dell-smm) Fail in ioctl I8K_BIOS_VERSION when bios
>>>>>> version is
>>>>>>
>>>>>> not a number
>>>>>>
>>>>>> hwmon: (dell-smm) Restrict fan control and serial number to
>>>>>>
>>>>>> CAP_SYS_ADMIN by default
>>>>>>
>>>>>> hwmon: (dell-smm) Disallow fan_type() calls on broken
>>>>>> machines hwmon: (dell-smm) Cache fan_type() calls and change
>>>>>> fan detection hwmon: (dell-smm) Detect fan with index=2
>>>>>> hwmon: (dell-smm) In debug mode log duration of SMM calls
>>>>>>
>>>>>> drivers/hwmon/dell-smm-hwmon.c | 122
>>>>>> ++++++++++++++++++++++++++++++++-------- 1 file changed, 99
>>>>>> insertions(+), 23 deletions(-)
>>>>>
>>>>> Pali,
>>>>>
>>>>> You asked for additional testing, so I am not sure what you expect
>>>>> me to do.
>>>>>
>>>>> Which of the patches can/should I apply now ?
>>>>>
>>>>> Guenter
>>>>
>>>> Test 3/6 and 4/6 patches on affected Dell machines. I CCed all
>>>> people who tried to debug those bugs, so need confirmation from
>>>> them that after applying 3/6 and 4/6 patches, erratic fan
>>>> behaviour is not there...
>>>>
>>>> But because those two patches depends on previous, it is needed to
>>>> test whole series...
>>>
>>> This doesn't tell me which patches to apply now. The first two ?
>>
>> Yes, 1/6 and 2/6 are OK.
>>
>
> Guenter, now you can apply whole series + add all tested-by lines from
> email threads. Looks like it is OK now.
>
First three patches applied and sent to Linus last night.
Remaining three patches applied to -next.
Thanks,
Guenter
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