[Letux-kernel] [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11, Issue 9

H. Nikolaus Schaller hns at goldelico.com
Sat Oct 17 13:06:40 CEST 2020


Hi all,
just a quick note:

I have managed to also compile the Poulsbo (gma500) driver for ARCH=x86.
And forward port the CedarView and Poulsbo drivers from DDK 1.14.36999 to DDK 1.17.
So we can now also choose CONFIG_SGX_1.17.......=y

Well, the driver (not even the kernel) is tested in any way since I have no appropriate
hardware to do any tests (note: this is not a request to send me hardware but to keep
yours and help testing and developing :).

All this new code will be pushed in the next days, maybe right after v5.10-rc1.

Do you think announcements are appropriate for LKML or which other mailing lists?

BR and thanks for all support,
Nikolaus


> Am 17.10.2020 um 09:11 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
> 
> Hi Alif,
> 
>> Am 17.10.2020 um 05:02 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
>> 
>> I don't use any private defconfigs.
> 
> Ok, so you use the default-default :)
> 
>> Just want to apply the CFLAGS so that I can optimize for Intel Atom CedarTrail linup. Like -m32 --march=atom --msse3 --mfpmath=sse 
>> etc. 
> 
> Ok.
> 
>> [ ] 64 bit kernel(I deselect it, so the kernel output is 32 bit)
>> Processor type and family (Intel Atom)
>> CONFIG_SGX=y
>> CONFIG_SGX_1.17.......=y
> 
> 1.17 doesn't work - there is the cedarview driver component missing. I think we can forward-port it.
> 
>> CONFIG_SGX_DRM=y
>> CONFIG_SGX_CEDARVIEW=y
> 
> ok.
> 
>> 
>> This gives me this output again:- 
>> 
>> 
>> alif at alif-Latitude-E5470:/media/alif/New-Volume/Android-Development/linux_openpvrsgx$ 
>> make ARCH=i386 "KCFLAGS=-m32 -march=atom -mtune=atom -msse3 
>> -mfpmath=sse" -j4
>>   HOSTCC  scripts/kconfig/conf.o
>>   HOSTLD  scripts/kconfig/conf
>> scripts/kconfig/conf  --syncconfig Kconfig
>> 
>> *** Error during sync of the configuration.
> 
> This comes from scripts/kconfig/conf.c
> 
> https://elixir.bootlin.com/linux/latest/source/scripts/kconfig/conf.c#L722
> 
> Most likely it is a file permission problem when this code tries to write
> the results of you config answers. Did you try to make clean?
> 
> What happens if you do
> 
> ls -ld .config .tmpconfig .tmpconfig.h include include/generated include/generated/autoconf.h include/config include/config/auto.conf
> 
> For me it says:
> 
> iMac:master hns$ ls -ld .config .tmpconfig .tmpconfig.h include include/generated include/generated/autoconf.h include/config include/config/auto.conf
> ls: .tmpconfig: No such file or directory
> ls: .tmpconfig.h: No such file or directory
> -rw-r--r--    1 hns  staff  188405 16 Okt 22:40 .config
> drwxr-xr-x   31 hns  staff    1054 12 Okt 18:25 include
> drwxr-xr-x  669 hns  staff   35700 16 Okt 22:55 include/config
> -rw-r--r--    1 hns  staff   55207 16 Okt 22:41 include/config/auto.conf
> drwxr-xr-x    3 hns  staff     476 16 Okt 22:55 include/generated
> -rw-r--r--    1 hns  staff   78483 16 Okt 22:41 include/generated/autoconf.h
> iMac:master hns$ 
> 
> There also may be an influcence by environment variable KCONFIG_AUTOHEADER.
> 
> BR,
> Nikolaus
> 
>> 
>> make[2]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
>> make[1]: *** [Makefile:567: syncconfig] Error 2
>> make: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
>> make: *** Deleting file 'include/config/auto.conf.cmd'
>> 
>> Thanks,
>> 
>> Alif
>> On Sat, 17 Oct 2020, 2:41 a.m. , <openpvrsgx-devgroup-request at letux.org> wrote:
>> Send openpvrsgx-devgroup mailing list submissions to
>>        openpvrsgx-devgroup at letux.org
>> 
>> To subscribe or unsubscribe via the World Wide Web, visit
>>        http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>> or, via email, send a message with subject or body 'help' to
>>        openpvrsgx-devgroup-request at letux.org
>> 
>> You can reach the person managing the list at
>>        openpvrsgx-devgroup-owner at letux.org
>> 
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of openpvrsgx-devgroup digest..."
>> 
>> 
>> Today's Topics:
>> 
>>   1. Re: openpvrsgx-devgroup Digest, Vol 11, Issue 8 (Alif Ilhan)
>>   2. Re: openpvrsgx-devgroup Digest, Vol 11, Issue 8 - build for
>>      x86 / cedarview (H. Nikolaus Schaller)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Fri, 16 Oct 2020 16:03:13 +0600
>> From: Alif Ilhan <alifilhan0 at gmail.com>
>> To: openpvrsgx-devgroup at letux.org
>> Subject: Re: [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11,
>>        Issue 8
>> Message-ID:
>>        <CAPfpOrZ+BE6UxxPyOaUmGY4EPrtVym2OX5MyD7jAaq9=-5SbSA at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>> 
>> Okay thank you. I will check out the code in my PC today and build it. Then
>> I will inform the bugs.
>> Thanks for the info
>> Alif
>> 
>> On Fri, 16 Oct 2020, 4:00 p.m. , <openpvrsgx-devgroup-request at letux.org>
>> wrote:
>> 
>>> Send openpvrsgx-devgroup mailing list submissions to
>>>        openpvrsgx-devgroup at letux.org
>>> 
>>> To subscribe or unsubscribe via the World Wide Web, visit
>>> 
>>> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>>> or, via email, send a message with subject or body 'help' to
>>>        openpvrsgx-devgroup-request at letux.org
>>> 
>>> You can reach the person managing the list at
>>>        openpvrsgx-devgroup-owner at letux.org
>>> 
>>> When replying, please edit your Subject line so it is more specific
>>> than "Re: Contents of openpvrsgx-devgroup digest..."
>>> 
>>> 
>>> Today's Topics:
>>> 
>>>   1. Re: openpvrsgx-devgroup Digest, Vol 11, Issue 6
>>>      (H. Nikolaus Schaller)
>>> 
>>> 
>>> ----------------------------------------------------------------------
>>> 
>>> Message: 1
>>> Date: Thu, 15 Oct 2020 16:01:06 +0200
>>> From: "H. Nikolaus Schaller" <hns at goldelico.com>
>>> To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
>>> Subject: Re: [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11,
>>>        Issue 6
>>> Message-ID: <3027F737-11CE-464D-A61E-A3C05BB5D62F at goldelico.com>
>>> Content-Type: text/plain; charset=us-ascii
>>> 
>>> Hi Alif,
>>> 
>>>> Am 14.10.2020 um 17:54 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
>>>> 
>>>> One more question. Which branch to use? I see there are branches like
>>> letux-pvrsrvkm-59-rc2 etc. I am currently trying with letux-pvrsrvkm
>>> (default). Did I choose the correct branch? I see more fresh activities in
>>> letux-pvrsrvkm-5.9-rc2
>>> 
>>> yes, the letux-pvrsrvkm branch is a little outdated (seems to be v5.6).
>>> 
>>> letux-pvrsrvkm-5.9-rc2 is the latest one.
>>> 
>>> Unfortunately this is a little confusing. The reason is that there are
>>> several
>>> feature branches which are merged into a single "complete" kernel. These
>>> feature-branches are rebased every now and then, so that we can remove
>>> patches
>>> which have arrived upstream or can follow API changes.
>>> 
>>> For the Letux project this is done almost automatically every week so there
>>> would be a letux-pvrsrvkm-5.9.0.
>>> 
>>> But this way of rapid rebase+merge gave a non-linear history between e.g.
>>> letux-pvrsrvkm-5.9-rc1 and letux-pvrsrvkm-5.9-rc2. This makes detection of
>>> changes and bisects too difficult.
>>> 
>>> So the current work-around is to rebase only once every major release. This
>>> will be letux-pvrsrvkm-5.10-rc1 or letux-pvrsrvkm-5.10-rc2 in ca. 2-3
>>> weeks.
>>> 
>>> Until then please try letux-pvrsrvkm-5.9-rc2 which should also be the
>>> (current)
>>> basis if you want to submit patches and fixes to this list.
>>> 
>>> If you need some bug fixes from upstream kernel (it is still a -rc) and try
>>> with latest linus/master, please do:
>>> 
>>>        git checkout letux-pvrsrvkm-5.9-rc2
>>>        git merge v5.9
>>> 
>>> If you fix something, please commit on top of this and do a git-format for
>>> your patches. I can then integrate them into the tree for everyones
>>> benefit.
>>> 
>>> BR and thanks,
>>> Nikolaus
>>> 
>>> 
>>>> 
>>>> On Wed, 14 Oct 2020, 4:00 p.m. , <openpvrsgx-devgroup-request at letux.org>
>>> wrote:
>>>> Send openpvrsgx-devgroup mailing list submissions to
>>>>        openpvrsgx-devgroup at letux.org
>>>> 
>>>> To subscribe or unsubscribe via the World Wide Web, visit
>>>> 
>>> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>>>> or, via email, send a message with subject or body 'help' to
>>>>        openpvrsgx-devgroup-request at letux.org
>>>> 
>>>> You can reach the person managing the list at
>>>>        openpvrsgx-devgroup-owner at letux.org
>>>> 
>>>> When replying, please edit your Subject line so it is more specific
>>>> than "Re: Contents of openpvrsgx-devgroup digest..."
>>>> 
>>>> 
>>>> Today's Topics:
>>>> 
>>>>   1. About PowerVR DDKs (Alif Ilhan)
>>>>   2. Re: About PowerVR DDKs (H. Nikolaus Schaller)
>>>> 
>>>> 
>>>> ----------------------------------------------------------------------
>>>> 
>>>> Message: 1
>>>> Date: Tue, 13 Oct 2020 22:17:58 +0600
>>>> From: Alif Ilhan <alifilhan0 at gmail.com>
>>>> To: openpvrsgx-devgroup at letux.org
>>>> Subject: [Openpvrsgx-devgroup] About PowerVR DDKs
>>>> Message-ID:
>>>>        <
>>> CAPfpOrZuci7T6S4VU4x8aE0uOJgfWXTisizsKp3fVF2UkmvQGA at mail.gmail.com>
>>>> Content-Type: text/plain; charset="utf-8"
>>>> 
>>>> I want to build this kernel with the PVR module for Intel Atom N2600. But
>>>> which DDK should I select? There are a lot of options like Ti, SUN4i,
>>>> Ingenic Generic. But which is appropiate for the SGX545?
>>>> 
>>>> Thanks,
>>>> Alif
>>>> -------------- next part --------------
>>>> An HTML attachment was scrubbed...
>>>> URL: <
>>> http://lists.goldelico.com/pipermail/openpvrsgx-devgroup/attachments/20201013/23a1c079/attachment.html
>>>> 
>>>> 
>>>> ------------------------------
>>>> 
>>>> Message: 2
>>>> Date: Tue, 13 Oct 2020 18:38:40 +0200
>>>> From: "H. Nikolaus Schaller" <hns at goldelico.com>
>>>> To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
>>>> Subject: Re: [Openpvrsgx-devgroup] About PowerVR DDKs
>>>> Message-ID: <E7A06234-D3B7-44A6-9839-4DBF27511AB5 at goldelico.com>
>>>> Content-Type: text/plain; charset=us-ascii
>>>> 
>>>> Hi Alif,
>>>> 
>>>>> Am 13.10.2020 um 18:17 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
>>>>> 
>>>>> I want to build this kernel with the PVR module for Intel Atom N2600.
>>> But which DDK should I select? There are a lot of options like Ti, SUN4i,
>>> Ingenic Generic. But which is appropiate for the SGX545?
>>>> 
>>>> That is a good question :)
>>>> 
>>>> Well, there is no specific option for SGX545 but for different SoC.
>>>> The idea is to make a generic driver handle all SGX5 variants without
>>> configuration (only through device tree which describes the hardware).
>>>> 
>>>> Here is my .config for some OMAP processor:
>>>> 
>>>> iMac:master hns$ fgrep SGX .config
>>>> CONFIG_SGX=y
>>>> # CONFIG_PVRSGX_1_9_2188537 is not set
>>>> # CONFIG_PVRSGX_1_9_2253347 is not set
>>>> # CONFIG_PVRSGX_1_10_2359475 is not set
>>>> # CONFIG_PVRSGX_1_13_3341330 is not set
>>>> # CONFIG_PVRSGX_1_14_3699939 is not set
>>>> # CONFIG_PVRSGX_1_14_3759903 is not set
>>>> # CONFIG_PVRSGX_1_14_3841212 is not set
>>>> # CONFIG_PVRSGX_1_15_4564147 is not set
>>>> CONFIG_PVRSGX_1_17_4948957=y
>>>> # CONFIG_SGX_DEBUG is not set
>>>> CONFIG_SGX_DRM=y
>>>> CONFIG_SGX_OMAP=m
>>>> # CONFIG_SGX_GENERIC is not set
>>>> iMac:master hns$
>>>> 
>>>> I think your setup should have a CONFIG_SGX_CEDARVIEW for Intel.
>>>> It should become visible if your setup has CONFIG_MATOM=y and
>>> CONFIG_SGX=y.
>>>> I hope it has. If not, we have a bug with Makefile and Kconfig.
>>>> 
>>>> Please check with drivers/gpu/drm/pvrsgx/Makefile and Kconfig
>>>> 
>>>> Next is to choose some DDK version.
>>>> 
>>>> iMac:master hns$ find drivers/gpu/drm/pvrsgx/ -name '*cedarview*'
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.13.3341330/eurasia_km/eurasiacon/build/linux2/pc_i686_cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.13.3341330/eurasia_km/services4/system/cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.14.3699939/eurasia_km/eurasiacon/build/linux2/pc_i686_cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.14.3699939/eurasia_km/services4/system/cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.14.3759903/eurasia_km/eurasiacon/build/linux2/pc_i686_cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.14.3759903/eurasia_km/services4/system/cedarview_linux
>>>> 
>>> drivers/gpu/drm/pvrsgx//1.14.3841212/eurasia_km/services4/system/cedarview_linux
>>>> iMac:master hns$
>>>> 
>>>> shows which DDKs should compile. Best is to start with
>>> CONFIG_PVRSGX_1_14_3699939.
>>>> 
>>>> This will be the first hurdle to jump over...
>>>> Then we will see what problem surfaces next.
>>>> 
>>>> BR and thanks,
>>>> Nikolaus
>>>> 
>>>> 
>>>> 
>>>> ------------------------------
>>>> 
>>>> Subject: Digest Footer
>>>> 
>>>> _______________________________________________
>>>> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
>>>> openpvrsgx-devgroup mailing list
>>>> openpvrsgx-devgroup at letux.org
>>>> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>>>> 
>>>> 
>>>> ------------------------------
>>>> 
>>>> End of openpvrsgx-devgroup Digest, Vol 11, Issue 6
>>>> **************************************************
>>>> _______________________________________________
>>>> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
>>>> openpvrsgx-devgroup mailing list
>>>> openpvrsgx-devgroup at letux.org
>>>> https://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>>> 
>>> 
>>> 
>>> ------------------------------
>>> 
>>> Subject: Digest Footer
>>> 
>>> _______________________________________________
>>> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
>>> openpvrsgx-devgroup mailing list
>>> openpvrsgx-devgroup at letux.org
>>> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>>> 
>>> 
>>> ------------------------------
>>> 
>>> End of openpvrsgx-devgroup Digest, Vol 11, Issue 8
>>> **************************************************
>>> 
>> -------------- next part --------------
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>> 
>> ------------------------------
>> 
>> Message: 2
>> Date: Fri, 16 Oct 2020 22:41:17 +0200
>> From: "H. Nikolaus Schaller" <hns at goldelico.com>
>> To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
>> Cc: Discussions about the Letux Kernel <letux-kernel at openphoenux.org>
>> Subject: Re: [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11,
>>        Issue 8 - build for x86 / cedarview
>> Message-ID: <3F12B991-4C09-4B95-B9C3-5B92A28F8E8A at goldelico.com>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Hi Alif,
>> 
>>> Am 16.10.2020 um 12:03 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
>>> 
>>> Okay thank you. I will check out the code in my PC today and build it. Then I will inform the bugs.
>>> Thanks for the info
>>> Alif
>> 
>> I have extended my cross-compile setup so that I can compile for "ARCH=x86".
>> You may wonder why I need to cross compile for intel, but my build host
>> machine runs macOS so I need a cross-compiler for intel.
>> 
>> It turned out that the code needs some minor tweaks so that it compiles
>> for x86. I have attached some patches to the letux-pvrsrvkm-5.9-rc2 branch.
>> 
>> BTW: which defconfig do you use? Do you use some from arch/x86/configs
>> or a private one?
>> 
>> For my build tests I have started with a copy of the i386_defconfig
>> (expanded) and then changed:
>> 
>> @@ -297,7 +297,7 @@ CONFIG_SCHED_OMIT_FRAME_POINTER=y
>> # CONFIG_M586 is not set
>> # CONFIG_M586TSC is not set
>> # CONFIG_M586MMX is not set
>> -CONFIG_M686=y
>> +# CONFIG_M686 is not set
>> # CONFIG_MPENTIUMII is not set
>> # CONFIG_MPENTIUMIII is not set
>> # CONFIG_MPENTIUMM is not set
>> @@ -316,7 +316,7 @@ CONFIG_M686=y
>> # CONFIG_MVIAC3_2 is not set
>> # CONFIG_MVIAC7 is not set
>> # CONFIG_MCORE2 is not set
>> -# CONFIG_MATOM is not set
>> +CONFIG_MATOM=y
>> CONFIG_X86_GENERIC=y
>> CONFIG_X86_INTERNODE_CACHE_SHIFT=6
>> CONFIG_X86_L1_CACHE_SHIFT=6
>> 
>> To enable building the SGX kernel module:
>> 
>> @@ -2849,6 +2849,7 @@ CONFIG_DRM_FBDEV_EMULATION=y
>> CONFIG_DRM_FBDEV_OVERALLOC=100
>> # CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
>> # CONFIG_DRM_DP_CEC is not set
>> +CONFIG_DRM_VM=y
>> 
>> #
>> # I2C encoder or helper chips
>> @@ -2910,8 +2911,29 @@ CONFIG_DRM_PANEL_BRIDGE=y
>> # CONFIG_DRM_CIRRUS_QEMU is not set
>> # CONFIG_DRM_GM12U320 is not set
>> # CONFIG_DRM_VBOXVIDEO is not set
>> -# CONFIG_SGX is not set
>> -# CONFIG_DRM_LEGACY is not set
>> +CONFIG_SGX=y
>> +# CONFIG_PVRSGX_1_9_2188537 is not set
>> +# CONFIG_PVRSGX_1_9_2253347 is not set
>> +# CONFIG_PVRSGX_1_10_2359475 is not set
>> +# CONFIG_PVRSGX_1_13_3341330 is not set
>> +CONFIG_PVRSGX_1_14_3699939=y
>> +# CONFIG_PVRSGX_1_14_3759903 is not set
>> +# CONFIG_PVRSGX_1_14_3841212 is not set
>> +# CONFIG_PVRSGX_1_15_4564147 is not set
>> +# CONFIG_PVRSGX_1_17_4948957 is not set
>> +# CONFIG_SGX_DEBUG is not set
>> +CONFIG_SGX_DRM=y
>> +CONFIG_SGX_CEDARVIEW=m
>> +# CONFIG_SGX_POULSBO is not set
>> +# CONFIG_SGX_GENERIC is not set
>> +CONFIG_DRM_LEGACY=y
>> +# CONFIG_DRM_TDFX is not set
>> +# CONFIG_DRM_R128 is not set
>> +# CONFIG_DRM_I810 is not set
>> +# CONFIG_DRM_MGA is not set
>> +# CONFIG_DRM_SIS is not set
>> +# CONFIG_DRM_VIA is not set
>> +# CONFIG_DRM_SAVAGE is not set
>> CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y
>> 
>> #
>> 
>> With these patches and settings I can successfully compile a kernel and
>> the resulting pvrsrvkm.ko looks like this:
>> 
>> iMac:master hns$ ls -l drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/pvrsrvkm_gma3600_sgx545_10141.ko
>> -rw-r--r--  1 hns  staff  5121748 16 Okt 20:10 drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/pvrsrvkm_gma3600_sgx545_10141.ko
>> iMac:master hns$ file drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/pvrsrvkm_gma3600_sgx545_10141.ko
>> drivers/gpu/drm/pvrsgx/1.14.3699939/eurasia_km/pvrsrvkm_gma3600_sgx545_10141.ko: ELF 32-bit LSB relocatable, Intel 80386, version 1 (SYSV), not stripped
>> iMac:master hns$ 
>> 
>> Since I have no matching hardware I can't check what needs to be done
>> to make the pvrsrvkm load during boot. On ARM or MIPS it is requested through
>> the device tree.
>> 
>> Well, for first tests you can do a modprobe and see if the kernel panics :)
>> 
>> BR and thanks,
>> Nikolaus
>> 
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>> 
>> 
>> 
>> 
>> ------------------------------
>> 
>> Subject: Digest Footer
>> 
>> _______________________________________________
>> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
>> openpvrsgx-devgroup mailing list
>> openpvrsgx-devgroup at letux.org
>> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>> 
>> 
>> ------------------------------
>> 
>> End of openpvrsgx-devgroup Digest, Vol 11, Issue 9
>> **************************************************
>> _______________________________________________
>> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
>> openpvrsgx-devgroup mailing list
>> openpvrsgx-devgroup at letux.org
>> https://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
> 
> _______________________________________________
> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
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