Re: [PATCH 0/6] dell-smm-hwmon fixes

From	Guenter Roeck <linux@roeck-us.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/6] dell-smm-hwmon fixes
Date	2016-06-23 16:00 +0200
Message-ID	<rNdkK-2nl-13@gated-at.bofh.it> (permalink)
References	(2 earlier) <rLrLg-6Ar-3@gated-at.bofh.it> <rLx4d-1Kj-3@gated-at.bofh.it> <rM3x8-6ly-13@gated-at.bofh.it> <rM7r4-jP-9@gated-at.bofh.it> <rNbLY-1pt-25@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 06/23/2016 05:16 AM, Pali Rohár wrote:
> On Monday 20 June 2016 06:24:57 Guenter Roeck wrote:
>> 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.
>
> Ok, are you going to send at least patch 4/6 to Linus too as it fixes
> next bug which should go to -stable too?
>
Now queued.

Guenter

Thread

[PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
  [PATCH 5/6] hwmon: (dell-smm) Detect fan with index=2 Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
    Re: [PATCH 5/6] hwmon: (dell-smm) Detect fan with index=2 Tolga Cakir <cevelnet@gmail.com> - 2016-06-19 02:10 +0200
  [PATCH 4/6] hwmon: (dell-smm) Cache fan_type() calls and change fan detection Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
    Re: [PATCH 4/6] hwmon: (dell-smm) Cache fan_type() calls and change  fan detection Tolga Cakir <cevelnet@gmail.com> - 2016-06-19 02:10 +0200
  [PATCH 1/6] hwmon: (dell-smm) Fail in ioctl I8K_BIOS_VERSION when bios version is not a number Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
    Re: [PATCH 1/6] hwmon: (dell-smm) Fail in ioctl I8K_BIOS_VERSION when  bios version is not a number Guenter Roeck <linux@roeck-us.net> - 2016-06-18 22:10 +0200
  [PATCH 3/6] hwmon: (dell-smm) Disallow fan_type() calls on broken machines Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
    Re: [PATCH 3/6] hwmon: (dell-smm) Disallow fan_type() calls on broken  machines Guenter Roeck <linux@roeck-us.net> - 2016-06-18 22:10 +0200
      Re: [PATCH 3/6] hwmon: (dell-smm) Disallow fan_type() calls on broken machines Pali Rohár <pali.rohar@gmail.com> - 2016-06-19 00:50 +0200
  [PATCH 2/6] hwmon: (dell-smm) Restrict fan control and serial number to CAP_SYS_ADMIN by default Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
    Re: [PATCH 2/6] hwmon: (dell-smm) Restrict fan control and serial  number to CAP_SYS_ADMIN by default Guenter Roeck <linux@roeck-us.net> - 2016-06-18 22:10 +0200
  [PATCH 6/6] hwmon: (dell-smm) In debug mode log duration of SMM calls Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 01:00 +0200
  Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 14:30 +0200
  Re: [PATCH 0/6] dell-smm-hwmon fixes Guenter Roeck <linux@roeck-us.net> - 2016-06-18 17:20 +0200
    Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-18 17:30 +0200
      Re: [PATCH 0/6] dell-smm-hwmon fixes Guenter Roeck <linux@roeck-us.net> - 2016-06-18 19:00 +0200
        Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-19 00:40 +0200
          Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-20 11:20 +0200
            Re: [PATCH 0/6] dell-smm-hwmon fixes Guenter Roeck <linux@roeck-us.net> - 2016-06-20 15:30 +0200
              Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-23 14:20 +0200
                Re: [PATCH 0/6] dell-smm-hwmon fixes Guenter Roeck <linux@roeck-us.net> - 2016-06-23 16:00 +0200
        Re: [PATCH 0/6] dell-smm-hwmon fixes Pali Rohár <pali.rohar@gmail.com> - 2016-06-19 00:50 +0200
  Re: [PATCH 0/6] dell-smm-hwmon fixes Michał Kępień <kernel@kempniu.pl> - 2016-06-22 10:10 +0200

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