This improves quality.
I reviewed all 6 patches.
Reviewed-by: Peter Feuerer
Please also add CC: Boris Petkov for review.
[...]
--
kind regards,
--peter;
t; This may lead to a situation where a thermal governor never updates the
> cooling
> device. For example, this is the case for the step_wise governor: when calling
> the function thermal_zone_trip_update(), the governor may always get a new
> state
> equal to the old one (which, ho
ding macro,
> and that using macro can improve the robustness and readability of the code,
> thus, I suggest replacing the numeric parameter with the macro.
>
> Signed-off-by: Chuansheng Liu
> Signed-off-by: Baole Ni
Acked-by: Peter Feuerer
> ---
> drivers/platform/x86
x-kernel@vger.kernel.org
>> Cc: linux-o...@vger.kernel.org
>> Cc: platform-driver-...@vger.kernel.org
>> Cc: linux...@vger.kernel.org
>> Signed-off-by: Eduardo Valentin
>
> +Peter Feuerer
>
> Peter, any concerns regarding the acerhdf driver?
Yes, please see below
Hi,
24. Mai 2016 15:06 Uhr, "Javi Merino" schrieb:
> Ccing Peter Feuerer, author of the bang bang governor.
>
> On Tue, May 03, 2016 at 05:33:32PM +0800, Caesar Wang wrote:
>
>> From: Sascha Hauer
>>
>> With interrupt driven thermal zones we pass the
Hi,
24. Mai 2016 15:06 Uhr, "Javi Merino" schrieb:
> Ccing Peter Feuerer, author of the bang bang governor.
thanks, will take care today in the evening.
--peter;
>
> On Tue, May 03, 2016 at 05:33:32PM +0800, Caesar Wang wrote:
>
>> From: Sascha Hauer
>>
need to check whether the
> function pointer is valid or not.
>
> If it is not available, we assume the hysteresis to be zero. Consequently, a
> highly varying temperature will make the governor continuosly switch a cooling
> device ON and OFF.
>
> CC: Zhang Rui
> CC: E
org
Cc: linux-kernel@vger.kernel.org
Cc: Jean Delvare
Cc: Peter Feuerer
Cc: Heiko Stuebner
Cc: Lukasz Majewski
Cc: Stephen Warren
Cc: Thierry Reding
Cc: linux-a...@vger.kernel.org
Cc: platform-driver-...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-o...@vger.kernel.o
erence to
`thermal_zone_device_register'
drivers/built-in.o: In function `acerhdf_unregister_thermal':
acerhdf.c:(.text.unlikely+0x3c67): undefined reference to
`thermal_cooling_device_unregister'
acerhdf.c:(.text.unlikely+0x3c91): undefined reference to
`thermal_zone_device_unregist
Hi Darren,
I know you are busy and I don't want to stress you, but have you had time to
look to this? I'd be really happy to solve all issues in time and have
those patches finally applied.
kind regards,
--peter;
Peter Feuerer writes:
Hi again,
Peter Feuerer writes:
Hi Darr
Hi again,
Peter Feuerer writes:
Hi Darren,
thank you very much for your reply.
Darren Hart writes:
On Fri, Nov 28, 2014 at 03:20:50PM +0100, Peter Feuerer wrote:
acerhdf has been doing an on-off fan control using hysteresis by
post-manipulating the outcome of thermal subsystem trip point
Hi Darren,
thank you very much for your reply.
Darren Hart writes:
On Fri, Nov 28, 2014 at 03:20:50PM +0100, Peter Feuerer wrote:
acerhdf has been doing an on-off fan control using hysteresis by
post-manipulating the outcome of thermal subsystem trip point handling.
This patch enables
Hi Darren / platform-driver-x86 list,
Peter Feuerer writes:
please apply this series of patches.
did you find time for my patchseries already?
Is there any problem with it?
--
kind regards,
--peter;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the
Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 186 ++---
1 file changed, 102 insertions(+), 84 deletions(-)
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
ind
added critical trip point which represents the temperature limit.
Added return -EINVAL in case wrong trip point is provided.
Cc: platform-driver-...@vger.kernel.org
Cc: Darren Hart
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
- adding second trip point for critical temperature (Patch 4)
- removing _t suffix from struct which isn't typedef and replace unsigned
char by u8 (Patch 5)
Thanks and kind regards,
peter
Peter Feuerer (5):
acerhdf: Adding support for "manual mode"
acerhdf:
Cc: Andrew Morton
CC: Zhang Rui
Cc: Andreas Mohr
Cc: Javi Merino
Acked-and-tested-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/Kconfig | 3 ++-
drivers/platform/x86/acerhdf.c | 36 +++-
2 files changed, 33 insertions(+), 6
-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 25 -
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 2c58f10..f30767f 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers
* renamed bios_settings_t to bios_settings, as it is no typedef
* replaced "unsigned char" by u8 in bios_settings struct for better
readability.
Cc: platform-driver-...@vger.kernel.org
Cc: Darren Hart
Cc: Andrew Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off
Hi Javi,
Javi Merino writes:
On Tue, Oct 28, 2014 at 07:33:39PM +, Peter Feuerer wrote:
Hi Rui,
I wonder whether you've had time to apply my set of patches already? Would
you please be so kind to just send me a short reply?
The bang-bang governor was merged and is part of v3.1
Hi Rui,
I wonder whether you've had time to apply my set of patches already? Would
you please be so kind to just send me a short reply?
thanks and kind regards,
--peter;
Peter Feuerer writes:
Hi Rui,
Zhang Rui writes:
On Sat, 2014-07-26 at 16:14 +0200, Peter Feuerer wrote:
H
Hi Rui,
Zhang Rui writes:
On Sat, 2014-07-26 at 16:14 +0200, Peter Feuerer wrote:
Hi Rui,
Peter Feuerer writes:
> The bang-bang thermal governor uses a hysteresis to switch abruptly on
> or off a cooling device. It is intended to control fans, which can
> not be throttled but just
Zhang Rui writes:
On Tue, 2014-07-22 at 17:37 +0200, Peter Feuerer wrote:
acerhdf has been doing an on-off fan control using hysteresis by
post-manipulating the outcome of thermal subsystem trip point handling.
This patch enables acerhdf to use the bang-bang governor, which is
intended for on
Hi Boris,
Peter Feuerer writes:
added critical trip point which represents the temperature limit.
Added return -EINVAL in case wrong trip point is provided.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Any concerns regarding this patch?
--
--peter;
--
To unsubscribe from this
Hi Rui,
Peter Feuerer writes:
The bang-bang thermal governor uses a hysteresis to switch abruptly on
or off a cooling device. It is intended to control fans, which can
not be throttled but just switched on or off.
Bang-bang cannot be set as default governor as it is intended for
special
* renamed bios_settings_t to bios_settings, as it is no typedef
* replaced "unsigned char" by u8 in bios_settings struct for better
readability.
Cc: Andrew Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acer
devices the driver needs to
explicitely request it.
Cc: Andrew Morton
Cc: Zhang Rui
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Cc: linux...@vger.kernel.org
Signed-off-by: Peter Feuerer
---
drivers/thermal/Kconfig | 10 +++
drivers/thermal/Makefile| 1 +
drivers/thermal
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andrew Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c
added critical trip point which represents the temperature limit.
Added return -EINVAL in case wrong trip point is provided.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 10 +-
1 file changed
: Javi Merino
Acked-and-tested-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/Kconfig | 3 ++-
drivers/platform/x86/acerhdf.c | 36 +++-
2 files changed, 33 insertions(+), 6 deletions(-)
diff --git a/drivers/platform/x86/Kconfig b
point for critical temperature (Patch 5)
- removing _t suffix from struct which isn't typedef and replace unsigned
char by u8 (Patch 6)
Thanks and kind regards,
peter
Peter Feuerer (6):
acerhdf: Adding support for "manual mode"
acerhdf: Adding support for new
ned-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 186 ++---
1 file changed, 102 insertions(+), 84 deletions(-)
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index f94467c..2c58f10 100644
--- a/drivers/platform/x86/acerh
Hi,
Zhang Rui writes:
On Mon, 2014-07-21 at 11:29 +0200, Borislav Petkov wrote:
On Sun, Jul 20, 2014 at 02:51:17AM +0200, Peter Feuerer wrote:
> The bang-bang thermal governor uses a hysteresis to switch abruptly on
> or off a cooling device. It is intended to control fans, which can
Hi Andreas,
Andreas Mohr writes:
Hi
On Sun, Jul 20, 2014 at 02:51:15AM +0200, Peter Feuerer wrote:
@@ -127,105 +138,107 @@ struct bios_settings_t {
unsigned char fanreg;
unsigned char tempreg;
struct fancmd cmd;
+ int mcmd_enable;
};
+
/* Register addresses
devices the driver needs to
explicitely request it.
Cc: Andrew Morton
Cc: Zhang Rui
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/thermal/Kconfig | 10 +++
drivers/thermal/Makefile| 1 +
drivers/thermal/gov_bang_bang.c | 131
added critical trip point which represents the temperature limit.
Added return -EINVAL in case wrong trip point is provided.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 10 +-
1 file changed
point for critical temperature (Patch 5)
- removing _t suffix from struct which isn't typedef and replace unsigned
char by u8 (Patch 6)
Thanks and kind regards,
peter
Peter Feuerer (6):
acerhdf: Adding support for "manual mode"
acerhdf: Adding support for new
* renamed bios_settings_t to bios_settings, as it is no typedef
* replaced "unsigned char" by u8 in bios_settings struct for better
readability.
Cc: Andrew Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acer
: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/Kconfig | 2 +-
drivers/platform/x86/acerhdf.c | 36 +++-
2 files changed, 32 insertions(+), 6 deletions(-)
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86
ned-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 187 +++--
1 file changed, 103 insertions(+), 84 deletions(-)
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index f94467c..dd63e93 100644
--- a/drivers/platform/x86/acerh
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andrew Morton
Cc: Andreas Mohr
Acked-by: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c
Borislav Petkov writes:
The major 0 is just from the ages, when all cool projects used to have a 0
in front.
Maybe it would be a good idea to go for 1.0 when I implemented a better
handling for the huge bios table.
Probably. You could at least increment it to 0.6 when you switch to the
bang-ba
Borislav Petkov writes:
On Sat, May 03, 2014 at 07:59:23PM +0200, Peter Feuerer wrote:
The bang-bang thermal governor uses a hysteresis to switch abruptly on
or off a cooling device. It is intended to control fans, which can
not be throttled but just switched on or off.
Bang-bang cannot be
Borislav Petkov writes:
On Sat, May 03, 2014 at 07:59:22PM +0200, Peter Feuerer wrote:
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andrew Morton
Cc: Andreas Mohr
Cc
Hi Boris,
nice to hear from you.
Borislav Petkov writes:
Hi Peter,
On Sat, May 03, 2014 at 07:59:20PM +0200, Peter Feuerer wrote:
This patch series is intended to:
* Introduce "manual mode" support (Patch 1 & 2), which is needed to control
the fan of a few new model
Hi Eduardo,
Eduardo Valentin writes:
Hello Peter,
On Sat, May 03, 2014 at 07:59:20PM +0200, Peter Feuerer wrote:
Hi,
This patch series is intended to:
* Introduce "manual mode" support (Patch 1 & 2), which is needed to control
the fan of a few new models.
* Add
Hi Javi,
Javi Merino writes:
Hi Peter,
On Sat, May 03, 2014 at 06:59:24PM +0100, Peter Feuerer wrote:
acerhdf has been doing an on-off fan control using hysteresis by
post-manipulating the outcome of thermal subsystem trip point handling.
This patch enables acerhdf to use the bang-bang
added critical trip point which represents the temperature limit.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/platform
devices the driver needs to
explicitely request it.
Cc: Andrew Morton
Cc: Zhang Rui
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/thermal/Kconfig | 10 +++
drivers/thermal/Makefile| 1 +
drivers/thermal/gov_bang_bang.c | 131
: Borislav Petkov
Cc: Javi Merino
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/Kconfig | 2 +-
drivers/platform/x86/acerhdf.c | 34 +-
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86
point for critical temperature (Patch 5)
- removing _t suffix from struct which isn't typedef and replace unsigned
char by u8 (Patch 6)
Thanks and kind regards,
peter
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Zhang Rui
Cc: Javi Merino
Peter Feuerer
Some Acer models require an additional command to turn off the fan after
bios mode has been enabled. Adding new section in bios table to allow
support for those models, by writing an extra "manual mode" register.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 25
* renamed bios_settings_t to bios_settings, as it is no typedef
* replaced "unsigned char" by u8 in bios_settings struct for better
readability.
Cc: Andrew Morton
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 12 +
Hi all,
Peter Feuerer writes:
This patch series is intended to:
* Introduce "manual mode" support (Patch 1 & 2), which is needed to control
the fan of a few new models.
* Add an appropriate thermal governor (Patch 3 & 4). Manipulating and
fiddling around
Hi Javi,
Peter Feuerer writes:
> Javi Merino writes:
[...]
>>> diff --git a/drivers/thermal/gov_bang_bang.c
>>> b/drivers/thermal/gov_bang_bang.c
>>> new file mode 100644
>>> index 000..328dde0
>>> --- /dev/null
>>>
Javi Merino writes:
> On Tue, Apr 29, 2014 at 10:17:57AM +0100, Peter Feuerer wrote:
>> acerhdf has been doing an on-off fan control using hysteresis by
>> post-manipulating the outcome of thermal subsystem trip point handling.
>> This patch enables acerhdf to use the bang-ba
Javi Merino writes:
> On Tue, Apr 29, 2014 at 10:17:56AM +0100, Peter Feuerer wrote:
>> The bang-bang thermal governor uses a hysteresis to switch abruptly on
>> or off a cooling device. It is intended to control fans, which can
>> not be throttled but just switched on
devices the driver needs to
explicitely request it.
Cc: Zhang Rui
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/thermal/Kconfig | 10
drivers/thermal/Makefile| 1 +
drivers/thermal/gov_bang_bang.c | 124
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 25
Some Acer models require an additional command to turn off the fan after
bios mode has been enabled. Adding new section in bios table to allow
support for those models, by writing an extra "manual mode" register.
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
--
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/Kconfig | 2 +-
drivers/platform/x86/acerhdf.c | 48 +++---
2 files changed, 41 insertions(+), 9 deletions(-)
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 27df2c5..0c15d89
.
Thanks and kind regards,
peter
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Zhang Rui
Peter Feuerer (4):
acerhdf: Adding support for "manual mode"
acerhdf: Adding support for new models
thermal: Added Bang-bang thermal governor
acerhdf: Use bang-bang thermal governor
drivers/p
Hi,
Andreas Mohr writes:
> On Sun, Apr 27, 2014 at 03:23:31AM +0200, Peter Feuerer wrote:
>> This patch series is intended to:
>>
>> * Introduce "manual mode" support (Patch 1 & 2), which is needed to control
>> the fan of a few new models.
Borislav Petkov writes:
On Sun, Apr 27, 2014 at 03:23:32AM +0200, Peter Feuerer wrote:
From: Peter Feuerer
Some Acer models require an additional command to turn off the fan after
bios mode has been enabled. Adding new section in bios table to allow
support for those models, by writing an
From: Peter Feuerer
added following new models:
* Aspire 5755G
* AO521
* AO751h
* Aspire One 753
* Extensa 5420
* Aspire 5315
* Aspire 5739G
* TravelMate TM8573T
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off-by: Peter Feuerer
---
drivers/platform/x86/acerhdf.c | 24
egards,
peter
Cc: Andreas Mohr
Cc: Borislav Petkov
Cc: Zhang Rui
Peter Feuerer (4):
acerhdf: Adding support for "manual mode"
acerhdf: Adding support for new models
thermal: Added Bang-bang thermal governor
acerhdf: Use bang-bang thermal governor
drivers/platform/x86/Kconfig|
From: Peter Feuerer
acerhdf has been doing an on-off fan control using hysteresis by
post-manipulating the outcome of thermal subsystem trip point handling.
This patch enables acerhdf to use the bang-bang governor, which is
intended for on-off controlled fans.
CC: Zhang Rui
Cc: Andreas Mohr
From: Peter Feuerer
Some Acer models require an additional command to turn off the fan after
bios mode has been enabled. Adding new section in bios table to allow
support for those models, by writing an extra "manual mode" register.
Cc: Andreas Mohr
Cc: Borislav Petkov
Signed-off
From: Peter Feuerer
The bang-bang thermal governor uses a hysteresis to switch abruptly on
or off a cooling device. It is intended to control fans, which can
not be throttled but just switched on or off.
Bang-bang cannot be set as default governor as it is intended for
special devices only
Hi Boris,
Borislav Petkov writes:
On Mon, Feb 25, 2013 at 01:16:08PM +0100, Borislav Petkov wrote:
On Mon, Feb 25, 2013 at 11:25:26AM +0100, Borislav Petkov wrote:
> > has anybody checked if the patch at lkml.org/lkml/2012/12/30/47 fixes
> > the problem, without any other patch?
>
> Ok, let m
Hi,
sorry for not answering to earlier mails, but sitting in front of the
computer and writing English mails is still very exhausting for me.
Borislav Petkov writes:
On Mon, Feb 25, 2013 at 11:06:40AM +0800, Zhang Rui wrote:
when the temperature goes up to 50C, will the fan be turned on or
design of acerhdf where we want to turn off the fan if we go under
the 'fanoff' temperature and to turn it on only after exceeding the
'fanon' temperature.
Do that by looking at the current fan state and return the temperature
accordingly.
Suggested-by: Zhang Rui
Cc: Peter
Adding Boris,
sorry, I can't do anything currently, I'm down with influenza.
kind regards,
--peter;
Zhang Rui writes:
On Thu, 2013-02-14 at 16:32 +0100, Andreas Mohr wrote:
For me after having loaded acerhdf the fan never stops (with kernelmode
active), despite staying safely below trip poin
Hi Boris, Hi Rui,
@Rui, would be great, if you could review the patch and verify, whether
everything I'm telling is the truth, thanks.
Borislav Petkov writes:
On Sun, Feb 17, 2013 at 04:41:57PM +0100, Peter Feuerer wrote:
Don't think so, I think this was already in since 2.6. an
Hi,
Borislav Petkov writes:
On Sun, Feb 17, 2013 at 03:43:13AM +0100, Peter Feuerer wrote:
From 7b39bd8837de6dc5658ac3e54ac5d4df9d351528 Mon Sep 17 00:00:00 2001
From: Peter Feuerer
Date: Sun, 17 Feb 2013 03:29:19 +0100
Subject: [PATCH] added two more trip points to acerhdf, this allows
Hi Boris, Alex, Andreas,
what do you think about this acerhdf patch?
I think it makes things straight and implements the two-point regulation of
acerhdf to be for correctly handled by the thermal layer:
>From 7b39bd8837de6dc5658ac3e54ac5d4df9d351528 Mon Sep 17 00:00:00 2001
From: Peter Feue
Hi,
Borislav Petkov writes:
Adding Peter.
Just wanted to say, that I've got currently very less spare time. I think
I'll be fully available again in about 2 weeks. I'll catch up then.
--
Thanks and kind regards,
--peter;
--
To unsubscribe from this list: send the line "unsubscribe linux-ke
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