On Tue 2016-05-03 11:04:24, changbin...@intel.com wrote:
> From: "Du, Changbin"
>
> On most platforms, there is only one device controller available.
> In this case, we desn't care the UDC's name. So let's ignore the
> name by setting 'UDC' to 'any'. And also we can change
On Mon 2016-06-13 17:10:02, João Paulo Rechi Vita wrote:
> On 13 June 2016 at 17:01, Pavel Machek <pa...@ucw.cz> wrote:
> > On Mon 2016-06-13 15:59:35, João Paulo Rechi Vita wrote:
> >> On 13 June 2016 at 15:00, Pavel Machek <pa...@ucw.cz> wrote:
> >> >
Hi!
> > João, that means you should send a patch to add the ::rfkill suffix.
> >
>
> IMO "airplane" (or maybe "airplane-mode") is a better suffix, as it
> reflects the label on the machine's chassis. I'll name it
> "asus-wireless::airplane" and send this through platform-drivers-x86,
> as this
On Wed 2016-02-24 12:01:37, Johannes Berg wrote:
> On Wed, 2016-02-24 at 11:46 +0100, Pavel Machek wrote:
>
> > If you want different trigger, implement different trigger. If you
> > want to indicate all but wifi, implement all but wifi, and then
> > userspace can sele
On Tue 2016-02-23 21:55:14, Johannes Berg wrote:
> On Tue, 2016-02-23 at 21:45 +0100, Pavel Machek wrote:
>
> > So... you add LED trigger to display the state of the airplane
> > mode. Ok, why not.
>
> Yes. However, consider that "the airplane mode" isn't a we
Hi!
> When building with both CONFIG_HIBERNATION and CONFIG_RANDOMIZE_BASE,
> one or the other must be chosen at boot-time. Until now, hibernation
> was selected when no choice was made on the command line.
>
> To make the security benefits of kASLR more widely available to end
> users (since
On Tue 2016-04-26 21:59:52, One Thousand Gnomes wrote:
> > But... that will mean that my ssh will need to be SGX-aware, and that
> > I will not be able to switch to AMD machine in future. ... or to other
> > Intel machine for that matter, right?
>
> I'm not privy to AMD's CPU design plans.
>
>
On Wed 2016-04-27 17:41:40, Borislav Petkov wrote:
> On Wed, Apr 27, 2016 at 05:30:10PM +0200, Pavel Machek wrote:
> > Doing it early will break bisect, right?
>
> How exactly? Please do tell.
Hey look, SME slowed down 30% since being initially mer
Hi!
> > > Preventing cold boot attacks is really just icing on the cake. The
> > > real point of this is to allow you to run an "enclave". An SGX
> > > enclave has unencrypted code but gets access to a key that only it can
> > > access. It could use that key to unwrap your ssh private key and
Hi!
> This RFC patch series provides support for AMD's new Secure Memory
> Encryption (SME) feature.
>
> SME can be used to mark individual pages of memory as encrypted through the
> page tables. A page of memory that is marked encrypted will be automatically
> decrypted when read from DRAM and
On Tue 2016-04-26 17:56:14, Tom Lendacky wrote:
> Provide the Kconfig support to build the SME support in the kernel.
Probably should go last in the series?
> Signed-off-by: Tom Lendacky
> ---
> arch/x86/Kconfig |9 +
> 1 file changed, 9 insertions(+)
>
>
On Tue 2016-04-26 17:56:26, Tom Lendacky wrote:
> Provide support for Secure Memory Encryption (SME). This initial support
> defines the memory encryption mask as a variable for quick access and an
> accessor for retrieving the number of physical addressing bits lost if
> SME is enabled.
>
>
Hi!
> Good morning, I hope everyone's day is starting out well.
:-). Rainy day here.
> > > In the TL;DR department I would highly recommend that anyone
> > > interested in all of this read MIT's 170+ page review of the
> > > technology before jumping to any conclusions :-)
>
> > Would you
On Fri 2016-05-06 01:52:04, Jarkko Sakkinen wrote:
> On Mon, May 02, 2016 at 11:37:52AM -0400, Austin S. Hemmelgarn wrote:
> > On 2016-04-29 16:17, Jarkko Sakkinen wrote:
> > >On Tue, Apr 26, 2016 at 09:00:10PM +0200, Pavel Machek wrote:
> > >>On Mon 2016-04-25 2
Hi!
> This creates a new LED trigger to be used by platform drivers as a
> default trigger for airplane-mode indicator LEDs.
>
> By default this trigger will fire when RFKILL_OP_CHANGE_ALL is called
> for all types (RFKILL_TYPE_ALL), setting the LED brightness to LED_FULL
> when the changing the
Hi!
> Since kASLR and Hibernation can not currently coexist at runtime
> on x86, the default behavior was to disable kASLR by default when
> CONFIG_HIBERNATION was present (to retain original behavior).
>
> The behavior of kASLR on arm64 (and soon MIPS) is to be enabled by
> default when
On Thu 2016-04-14 13:14:07, Kees Cook wrote:
> On Thu, Apr 14, 2016 at 1:01 PM, Pavel Machek <pa...@denx.de> wrote:
> > Hi!
> >
> >> Since kASLR and Hibernation can not currently coexist at runtime
> >> on x86, the default behavior was to disable kASLR
On Wed 2016-04-27 16:05:20, Borislav Petkov wrote:
> On Tue, Mar 22, 2016 at 02:00:58PM +0100, Pavel Machek wrote:
> > Why would I want SME on my system? My system seems to work without it.
>
> Your system doesn't have it and SME is default off.
That does not answer the questio
On Mon 2016-07-18 08:55:52, Rafał Miłecki wrote:
> On 18 July 2016 at 07:53, Peter Chen wrote:
> > On Mon, Jul 18, 2016 at 07:57:34AM +0200, Rafał Miłecki wrote:
> >> On 18 July 2016 at 07:40, Peter Chen wrote:
> >> > On Mon, Jul 18, 2016 at
Hi!
> > @@ -0,0 +1,206 @@
> > +/*
> > + * USB port LED trigger
> > + *
> > + * Copyright (C) 2016 Rafał Miłecki
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License as published
On Mon 2017-02-06 10:47:45, Laura Abbott wrote:
> On 02/03/2017 01:08 PM, Kees Cook wrote:
> > On Fri, Feb 3, 2017 at 12:29 PM, Russell King - ARM Linux
> > wrote:
> >> On Fri, Feb 03, 2017 at 11:45:56AM -0800, Kees Cook wrote:
> >>> On Fri, Feb 3, 2017 at 9:52 AM, Laura
On Wed 2017-01-25 12:21:05, Laura Abbott wrote:
> On 01/19/2017 08:53 AM, Pavel Machek wrote:
> >On Wed 2017-01-18 17:29:05, Laura Abbott wrote:
> >>
> >>Despite the word 'debug' in CONFIG_DEBUG_RODATA, this kernel option
> >>provides key security features
Hi!
>
> -config DEBUG_RODATA
> +config STRICT_KERNEL_RWX
> bool "Make kernel text and rodata read-only" if ARCH_OPTIONAL_KERNEL_RWX
> depends on ARCH_HAS_STRICT_KERNEL_RWX
> default !ARCH_OPTIONAL_KERNEL_RWX ||
Debug features are expected to have runtime cost, so kconfig help
On Wed 2017-01-18 17:29:05, Laura Abbott wrote:
>
> Despite the word 'debug' in CONFIG_DEBUG_RODATA, this kernel option
> provides key security features that are to be expected on a modern
> system. Change the name to CONFIG_HARDENED_PAGE_MAPPINGS which more
> accurately describes what this
On Thu 2016-08-25 11:04:38, Jacek Anaszewski wrote:
> On 08/25/2016 10:29 AM, Rafał Miłecki wrote:
> >On 25 August 2016 at 10:03, Jacek Anaszewski
> >wrote:
> >>On 08/24/2016 07:52 PM, Rafał Miłecki wrote:
> >>>
> >>>From: Rafał Miłecki
> >>>
>
On Thu 2016-08-25 20:48:04, Jacek Anaszewski wrote:
> On 08/25/2016 04:30 PM, Alan Stern wrote:
> >On Thu, 25 Aug 2016, Jacek Anaszewski wrote:
> >
> >>I'd see it as follows:
> >>
> >>#cat available_ports
> >>#1-1 1-2 2-1
> >>
> >>#echo "1-1" > new_port
> >>
> >>#cat observed_ports
> >>#1-1
> >>
>
Hi!
> >2) Having "ports" subdir with RW files, one per each existing physical port
> >In this situation we don't need "new_port" or "remove_port". If we
> >want port to be observable we just do:
> >echo 1 > 1-1
> >Implementing this solution needs reading more details from USB subsystem.
>
> The
On Mon 2016-08-29 10:21:48, Rafał Miłecki wrote:
> On 29 August 2016 at 10:05, Pavel Machek <pa...@ucw.cz> wrote:
> >> >2) Having "ports" subdir with RW files, one per each existing physical
> >> >port
> >> >In this situation we don't
Using "->" to indicate range is not too common, switch to ".."
Signed-off-by: Pavel Machek <pa...@ucw.cz>
--- a/Documentation/power/regulator/overview.txt
+++ b/Documentation/power/regulator/overview.txt
@@ -90,7 +90,7 @@ Some terms used in this document:-
Using "->" to indicate range is not too common, switch to ".."
Signed-off-by: Pavel Machek <pa...@ucw.cz>
--- a/Documentation/power/regulator/overview.txt
+++ b/Documentation/power/regulator/overview.txt
@@ -90,7 +90,7 @@ Some terms used in this document:-
On Wed 2016-08-31 14:23:13, Alan Stern wrote:
> On Tue, 30 Aug 2016, Rafał Miłecki wrote:
>
> > >> As you quite often need more complex LED management, there are
> > >> triggers that were introduced in 2006 by c3bc9956ec52f ("[PATCH] LED:
> > >> add LED trigger tupport"). Some triggers are
Hi!
> This commit adds a new trigger responsible for turning on LED when USB
> device gets connected to the specified USB port. This can can useful for
> various home routers that have USB port(s) and a proper LED telling user
> a device is connected.
>
> The trigger gets its documentation file
Hi!
> > "to have zero jitter" at least. I believe it is "does not".
> >
> > I don't see how atomic vs. non-atomic context makes difference. There
> > are sources of jitter that affect atomic context...
>
> The relevance is that while there is jitter in atomic context it can
> be quite small
On Tue 2017-03-14 10:05:08, Thomas Garnier wrote:
> This patch makes the GDT remapped pages read-only to prevent corruption.
> This change is done only on 64-bit.
>
> The native_load_tr_desc function was adapted to correctly handle a
> read-only GDT. The LTR instruction always writes to the GDT
On Sun 2017-04-30 14:36:58, David Lin wrote:
> Hi,
>
> These patch series add the LED_BRIGHTNESS_FAST flag support for
> ledtrig-transient to use hrtimer so that platforms with high-resolution timer
> support can have better accuracy in the trigger duration timing. The need for
> this support is
Fix ascii-art.
Signed-off-by: Pavel Machek <pa...@ucw.cz>
diff --git a/Documentation/networking/switchdev.txt
b/Documentation/networking/switchdev.txt
index 5e40e1f..6309e90 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -29,7
Fix link in filter.txt.
Acked-by: Pavel Machek <pa...@ucw.cz>
diff --git a/Documentation/networking/filter.txt
b/Documentation/networking/filter.txt
index e5e33ba..789b74d 100644
--- a/Documentation/networking/filter.txt
+++ b/Documentation/networking/filter.txt
@@ -45,7 +45,7 @@ in man
Hi!
> >> If we want to have discussion "how to make vibrations in input
> >> easier to use", well that's fair. But I don't think it is particulary hard.
> >>
> >
> > I would like to know more about why you find the FF interface hard,
>
> led-transient trigger can be activated using only
Hi!
> These patch series add the LED_BRIGHTNESS_FAST flag support for
> ledtrig-transient to use hrtimer so that platforms with high-resolution
> timer
> support can have better accuracy in the trigger duration timing. The
> need for
...
> > If we want to say "lets move
Hi!
> These patch series add the LED_BRIGHTNESS_FAST flag support for
> ledtrig-transient to use hrtimer so that platforms with high-resolution timer
> support can have better accuracy in the trigger duration timing. The need for
> this support is driven by the fact that Android has removed the
On Wed 2017-09-13 14:20:58, David Lin wrote:
> On Wed, Sep 13, 2017 at 1:20 PM, Pavel Machek <pa...@ucw.cz> wrote:
> >
> > Hi!
> >
> > > These patch series add the LED_BRIGHTNESS_FAST flag support for
> > > ledtrig-transient to use hrtimer so tha
Hi!
> >> Do you think such an improvement could be harmful in some way,
> >> even if it was made optional?
> >
> > Of course, we can make LED timing accurate down to microseconds. It will
> > mean increased overhead -- for "improvement" human can not perceive.
> >
> > If someone has problems
On Thu 2017-09-14 21:31:31, Jacek Anaszewski wrote:
> Hi David and Pavel,
>
> On 09/13/2017 10:20 PM, Pavel Machek wrote:
> > Hi!
> >
> >> These patch series add the LED_BRIGHTNESS_FAST flag support for
> >> ledtrig-transient to use hrtimer so that pla
Hi!
> > > > NAK.
> > > >
> > > > LEDs do not need extra overhead, and vibrator control should not go
> > > > through LED subsystem.
> > > >
> > > > Input subsystem includes support for vibrations and force
> > > > feedback. Please use that instead.
> > >
> > > I thought we are already over this
Hi!
> >> However only if following conditions are met:
> >> - force feedback driver supports gpio driven devices
> >> - there is sample application in tools/input showing how to
> >> setup gpio driven vibrate device with use of ff interface
> >> - it will be possible to setup vibrate interval
On Mon 2017-09-18 22:43:40, Jacek Anaszewski wrote:
> Hi,
>
> On 09/17/2017 07:50 PM, Pavel Machek wrote:
> > Hi!
> >
> >>>> Do you think such an improvement could be harmful in some way,
> >>>> even if it was made optional?
> >
> >>> I'd leave the decision to the user. We could add a note to the
> >>> Documentation/leds/ledtrig-transient.txt that force feedback interface
> >>> should be preferable choice for driving vibrate devices.
> >>> However only if following conditions are met:
> >>
> >> What I meant is that it is
On Wed 2017-09-20 22:08:42, Jacek Anaszewski wrote:
> On 09/20/2017 01:29 PM, Pavel Machek wrote:
> >>>>> I'd leave the decision to the user. We could add a note to the
> >>>>> Documentation/leds/ledtrig-transient.txt that force feedback interface
> >
On Tue 2017-08-29 13:09:45, Jonathan Corbet wrote:
> On Tue, 29 Aug 2017 09:50:57 -0700
> "Darrick J. Wong" wrote:
>
> > > Anything wrong here? It is fixing extra '+' in the ascii art...
> >
> > There's nothing incorrect here, I merely thought it odd to send a fix
> >
Hi!
> > -As a specific example of this use-case, let's look at vibrate feature on
> > -phones. Vibrate function on phones is implemented using PWM pins on SoC or
> > -PMIC. There is a need to activate one shot timer to control the vibrate
> > -feature, to prevent user space crashes leaving the
On Tue 2017-09-05 14:44:56, David Miller wrote:
> From: Pavel Machek <pa...@ucw.cz>
> Date: Mon, 4 Sep 2017 18:25:30 +0200
>
> > Will gcc be able to compile code that uses these automatically? That
> > does not sound easy to me. Can libc automatically use this in malloc
Hi!
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index b19c491cbc4e..e21b0c002d0f 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -8,12 +8,58 @@ config PRINTK_TIME
> messages to be added to the output of the syslog() system
> call and at the console.
>
Fix little inconsistencies in Documentation: make case and spacing
match surrounding text, fix ascii-art.
Signed-off-by: Pavel Machek <pa...@ucw.cz>
diff --git a/Documentation/filesystems/ext4.txt
b/Documentation/filesystems/ext4.txt
index 5a8f7f4..75236c0 100644
--- a/Documentation/files
Spell "LED" consistently with uppercase.
We do not want people to use LED subsystem for vibrations; there's
already support for that in input subsystem. Remove notes about
vibrations not to confuse people.
Signed-off-by: Pavel Machek <pa...@ucw.cz>
diff --git a/Documentat
Hi!
> >> > -As a specific example of this use-case, let's look at vibrate feature on
> >> > -phones. Vibrate function on phones is implemented using PWM pins on SoC
> >> > or
> >> > -PMIC. There is a need to activate one shot timer to control the vibrate
> >> > -feature, to prevent user space
On Mon 2017-10-09 07:19:10, Mauro Carvalho Chehab wrote:
> There is a mess with media bus flags: there are two sets of
> flags, one used by parallel and ITU-R BT.656 outputs,
> and another one for CSI2.
>
> Depending on the type, the same bit has different meanings.
>
> @@ -86,11 +125,22 @@
On Sat 2017-12-09 11:29:51, Ognjen Galić wrote:
> On 09/12/2017, Pavel Machek <pa...@ucw.cz> wrote:
> > In newer series (I can't find it at the moment, sorry)
>
> The new series is a 3-patch patchset that obsoletes this
> patch. It is in the testing stage and will be pushe
On Sat 2017-11-25 21:29:17, Jarkko Sakkinen wrote:
> Intel(R) SGX is a set of CPU instructions that can be used by applications to
> set aside private regions of code and data. The code outside the enclave is
> disallowed to access the memory inside the enclave by the CPU access control.
> In a
Hi!
In newer series (I can't find it at the moment, sorry) you return
"NOT_CHARGING" status when not charging because of wear control.
Maybe we should have separate status "not charging due to wear
control"?
Thanks,
Pavel
On Wed 2018-05-16 11:18:52, Yury Norov wrote:
> Based on Andrew Pinski's patch-series.
>
> Signed-off-by: Yury Norov
So Andrew's signoff should be here?
> ---
> Documentation/arm64/ilp32.txt | 45 +++
> 1 file changed, 45
On Tue 2018-01-09 16:27:30, Jarkko Sakkinen wrote:
> On Thu, Jan 04, 2018 at 03:17:24PM +0100, Cedric Blancher wrote:
> > So how does this protect against the MELTDOWN attack (CVE-2017-5754)
> > and the MELTATOMBOMBA4 worm which uses this exploit?
> >
> > Ced
>
> Everything going out of L1 gets
Hi!
> Good evening Pavel et.al., I hope the New Year has started well for
> everyone.
:-). Stuff proceeds as usual. Too bad it is raining outside, instead
of snowing.
> > > > Would you list guarantees provided by SGX?
> > >
> > > Obviously, confidentiality and integrity. SGX was designed to
Hi!
> > Would you list guarantees provided by SGX?
>
> Obviously, confidentiality and integrity. SGX was designed to address
> an Iago threat model, a very difficult challenge to address in
> reality.
Do you have link on "Iago threat model"?
> I don't have the citation immediately available,
Hi!
> --- /dev/null
> +++ b/Documentation/thermal/cpu-idle-cooling.txt
> @@ -0,0 +1,165 @@
> +
> +Situation:
> +--
> +
Can we have some real header here? Also if this is .rst, maybe it
should be marked so?
> +Under certain circumstances, the SoC reaches a temperature exceeding
> +the
Hi!
> >Are these SoCs x86-based?
>
> Yes, these are ARM SoCs. Please see Andrew's answer as well.
Understood, thanks.
> >>+ Read sampling point selection. The whole period of a bit time will be
> >>+ divided into 16 time frames. This value will determine which time frame
> >>+ this
Hi!
> >> +Under certain circumstances, the SoC reaches a temperature exceeding
> >> +the allocated power budget or the maximum temperature limit. The
> >
> > I don't understand. Power budget is in W, temperature is in
> > kelvin. Temperature can't exceed power budget AFAICT.
>
> Yes, it is
Hi!
On Fri 2018-03-09 13:15:31, Linus Torvalds wrote:
> On Fri, Mar 9, 2018 at 12:45 PM, Alan Cox wrote:
> >
> > If you want to be taken seriously then I think minimum you also need to
> > - Give a GPG key for messages to the list
>
> Oh, I don't want to be taken
Hi!
> Signed-off-by: Jae Hyun Yoo
> ---
> .../devicetree/bindings/peci/peci-aspeed.txt | 73
> ++
> 1 file changed, 73 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/peci/peci-aspeed.txt
>
> diff --git
On Tue 2018-03-06 13:54:16, Andrew Lunn wrote:
> On Tue, Mar 06, 2018 at 01:40:02PM +0100, Pavel Machek wrote:
> > Hi!
> >
> > > Signed-off-by: Jae Hyun Yoo <jae.hyun@linux.intel.com>
> > > ---
> > > .../dev
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