[llvmlinux] LLVMLinux Digest, Vol 12, Issue 11

madhura kashikar madhurakashikar2393 at gmail.com
Tue May 7 12:03:00 UTC 2013


i am not finding  LLVMLinux Digest, Vol 12, Issue 10. How can i find it?


On Tue, May 7, 2013 at 8:36 AM, <llvmlinux-request at lists.linuxfoundation.org
> wrote:

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>
> Today's Topics:
>
>    1. Re: LLVMLinux Digest, Vol 12, Issue 10 (madhura kashikar)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 7 May 2013 08:36:52 +0530
> From: madhura kashikar <madhurakashikar2393 at gmail.com>
> To: llvmlinux at lists.linuxfoundation.org
> Subject: Re: [llvmlinux] LLVMLinux Digest, Vol 12, Issue 10
> Message-ID:
>         <CACz3OHF9FvS=+xJV+R=
> giuRs_7HnXNFTGxbBRe9csZ_TTNs3Ow at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello
>
> I had sent my introduction mail,but now again i am asked to send. Can i get
> clear idea what is to be written in that.
>
> thankyou!!!
>
>
> On Mon, May 6, 2013 at 9:31 PM, <
> llvmlinux-request at lists.linuxfoundation.org
> > wrote:
>
> > Send LLVMLinux mailing list submissions to
> >         llvmlinux at lists.linuxfoundation.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >         https://lists.linuxfoundation.org/mailman/listinfo/llvmlinux
> > or, via email, send a message with subject or body 'help' to
> >         llvmlinux-request at lists.linuxfoundation.org
> >
> > You can reach the person managing the list at
> >         llvmlinux-owner at lists.linuxfoundation.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of LLVMLinux digest..."
> >
> >
> > Today's Topics:
> >
> >    1. LLVMLinux Meeting 2013-05-02 (Behan Webster)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 06 May 2013 12:00:49 -0400
> > From: Behan Webster <behanw at converseincode.com>
> > To: Compiling the Linux Kernel with Clang/LLVM
> >         <llvmlinux at lists.linuxfoundation.org>
> > Subject: [llvmlinux] LLVMLinux Meeting 2013-05-02
> > Message-ID: <5187D3B1.4090305 at converseincode.com>
> > Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
> >
> > *
> >
> > LLVMLinux Project: http://llvm.linuxfoundation.org/
> >
> >
> > <http://llvm.linuxfoundation.org/>
> >
> > This week the meeting was on Thursday, May 2 2013 on Google Plus Hangout
> > at 3pm
> > UTC<
> >
> https://www.google.com/calendar/embed?src=su5vu85fj58ncfrgalmq4vbbf0%40group.calendar.google.com&ctz=GMT
> > >
> >
> >
> > <
> >
> https://www.google.com/calendar/embed?src=su5vu85fj58ncfrgalmq4vbbf0%40group.calendar.google.com&ctz=GMT
> > >
> >
> >
> > If you haven't use G+ Hangouts before, make sure you have the
> > appropriate Chrome or Firefox plugin installed, and tested before the
> > time of the meeting. You can try a test hangout with me today before the
> > meeting if you want to.
> >
> >
> >
> >
> -------------------------------------------------------------------------------------------------------------------------
> >
> > Previous meeting's top 2-3 work items:
> >
> > /
> >
> >   *
> >
> >     (5 mins) Each meeting attendee listed the top 2 items to be worked
> >     on for the next 2 weeks
> >
> >     /
> >       o
> >
> >         Behan:
> >
> >         /
> >           +
> >
> >             Work on LLVM Issues for the next LLVM Release
> >
> >           +
> >
> >             Work on getting checker (static analyzer) working for Collab
> >
> >           +
> >
> >             Collab talk
> >
> >           +
> >
> >             submit linux.com article (waiting for review)
> >
> >           +
> >
> >             Work on llvm layer for yocto
> >
> >           +
> >
> >             write VLAIS article
> >
> >           +
> >
> >             Patch review (both kernel and llvm)
> >
> >           +
> >
> >             Work on clang segfault for vexpress build
> >
> >       o /
> >
> >         Jan-Simon:
> >
> >         /
> >           +
> >
> >             Work with top issues next 1-2 weeks with Behan, sync on tue
> >
> >           +
> >
> >             x86 upstreaming
> >
> >           +
> >
> >             gsoc org application, gsoc LLVMLinux,
> >
> >           +
> >
> >             fixing qemu build issue
> >
> >       o /
> >
> >         Tinti:
> >
> >         /
> >           +
> >
> >             Test Nexus 7
> >
> >             /
> >               #
> >
> >                 Nothing. I have not runned the CTS yet.
> >
> >           + /
> >
> >             Add in Wikipedia that Clang was able to generate a working
> >             Android kernel.
> >
> >             /
> >               #
> >
> >                 Just need to add in Wikipedia.
> >
> >           + /
> >
> >             Raspberry Pi 3.6.y
> >
> >             /
> >               #
> >
> >                 Done, in fact Raspberry Pi 3.8.y.
> >
> >           + /
> >
> >             Support both versions 3.2 and 3.6 at once on RPI.
> >
> >             /
> >               #
> >
> >                 Possible but not fully implemented.
> >
> >           + /
> >
> >             Work on VLAIS academic article
> >
> >             /
> >               #
> >
> >                 Test current VLAIS solution.
> >
> >           + /
> >
> >             khubd
> >
> >             /
> >               #
> >
> >                 Still persists on 3.8.y.
> >
> >           + /
> >
> >             Investigate clang 'main' function
> >
> >             /
> >               #
> >
> >                 Nothing.
> >
> >           + /
> >
> >             Galaxy S3 using a custom kernel.
> >
> >             /
> >               #
> >
> >                 Nothing.
> >
> >             / /
> >       o
> >
> >         Bernhard:
> >
> >         /
> >           +
> >
> >             Release clang wrapper for Android build
> >
> >           +
> >
> >             Release clang patches for Linaro Android build
> >
> >         / /
> >
> > /
> >
> >
> >
> -------------------------------------------------------------------------------------------------------------------------
> >
> > Agenda for this week:
> >
> >
> > /
> >
> >   *
> >
> >     (5 mins total) Everyone shared a quick summary of the progress
> >     they've made from the last 4 weeks
> >
> >     /
> >       o
> >
> >         Behan
> >
> >         /
> >           +
> >
> >             Submitted linux.com article (not published yet)
> >
> >           +
> >
> >             Reviewed all LLVM and Kernel patches with Jan-Simon (more
> > below)
> >
> >           +
> >
> >             Spoke at Collab Summit (more below)
> >
> >           +
> >
> >             Worked on LLVM uConference for LPC (more below)
> >
> >           +
> >
> >             Otherwise I was off teaching courses for most of the last
> >             few weeks
> >
> >       o /
> >
> >         Jan-Simon
> >
> >         /
> >           +
> >
> >             patches triaged, 10 archived, 3 send upstream. 3 more wip
> >
> >           +
> >
> >             fixing qemu build issue
> >
> >       o /
> >
> >         Mark
> >
> >         /
> >           +
> >
> >             MSM building again (tip of msm 3.4 kernel tree
> >
> >           +
> >
> >             Built new VLAIS proposals
> >
> >       o /
> >
> >         Randy
> >
> >         /
> >           +
> >
> >             Upgraded to Ubuntu 13.04, found build package dependency
> issues
> >
> >       o /
> >
> >         Vinicius
> >
> >         /
> >           +
> >
> >             Nexus 7 reference for the Wiki
> >
> >             /
> >               #
> >
> >                 Not working on 12.10
> >
> >               #
> >
> >                 Ok in 12.04
> >
> >           + /
> >
> >             Raspberry Pi
> >
> >             /
> >               #
> >
> >                 Using 3.8.y
> >
> >               #
> >
> >                 KHUBD problem still persist
> >
> >           + /
> >
> >             Test Mark's proposal for VLAIS
> >
> >         / /
> >
> > /
> >
> > (45 mins) General meeting discussions:
> >
> > /
> >
> >     /
> >       o
> >
> >         Collab Summit update
> >
> >         /
> >           +
> >
> >             Lots of interesting talks on relevant subjects. Approached
> >             speakers about the LLVMLinux project
> >
> >           +
> >
> >             Great turn out at the LLVMLinux talk. Lots of interest, lots
> >             of discussion, lots of followup.
> >
> >           +
> >
> >             A few gcc devs corrected me on a few things: nested
> >             functions predate the addition of Ada to the gcc toolchain.
> >             I think they still didn't fully realize about VLAIS (a lot
> >             of people seem to still think that flexible members allow
> >             VLAIS, when they don't).
> >
> >           +
> >
> >             2 bugs were fixed (one in LLVM, one in the Kernel) by
> >             "complaining" about them in the talk.
> >
> >             /
> >               #
> >
> >                 Konstantin Serebryany help narrowing down the LLVM
> >                 segfault for ARM, which was subsequently fixed upstream
> >
> >               #
> >
> >                 Steven Rostedt helped push a solution for
> >                 __builtin_constant_p upstream
> >
> >           + /
> >
> >             Received general support for what the project is doing from
> >             Andrew Morton (he thinks compiler stuff is cool, and seems
> >             to support the goals of the project)
> >
> >           +
> >
> >             Jake edge will be doing an updated article on the project
> >             for LWN
> >
> >       o /
> >
> >         LLVM update
> >
> >         /
> >           +
> >
> >             Jan-Simon and Behan reviewed all LLVM/Clang patches
> >
> >             /
> >               #
> >
> >                 All existing patches are optional, so pushed to LLVM Bug
> >                 system and archived
> >
> >               #
> >
> >                 Currently we are building with a stock LLVM from svn
> >
> >               #
> >
> >                 ARM build segmentation fixed upstream
> >
> >               #
> >
> >                 Upstream LLVM/Clang now just mostly works with our
> >                 kernel patches
> >
> >               #
> >
> >                 New LLVM wish list
> >
> >                 /
> >                   *
> >
> >                     Fix for dropped symbol attributes like  __init and
> >                     __exit (likely the case of the segmentation
> >                     mismatch/merged global issues)
> >
> >                   *
> >
> >                     Add named registers support to clang
> >
> >                     /
> >                       o
> >
> >                         e.g: register unsigned long current_sp asm
> ("sp");
> >
> >                   * /
> >
> >                     Add support for extra braces in asm (needed in
> >                     x86_64 build asm)
> >
> >                   *
> >
> >                     Add support to Integrated Assembler to work with the
> >                     existing ASM in the kernel code
> >
> >                 / / /
> >       o
> >
> >         Kernel Patch triage
> >
> >         /
> >           +
> >
> >
> >
> https://docs.google.com/spreadsheet/ccc?key=0Ao2VHhaw1DTqdERLUDBmVlpiY2pUNUlLa1k3ck1Zc1E#gid=0
> >
> >           +
> >
> >             Archived
> >
> >           +
> >
> >             Trivial
> >
> >           +
> >
> >             Clang + KBuild
> >
> >           +
> >
> >             Split
> >
> >       o /
> >
> >         VLAIS update
> >
> >         /
> >           +
> >
> >             New VLAIS patches by Mark Charlebois
> >
> >           +
> >
> >             VLAIS benchmarking by Behan leading to VLAIS blog posting
> >
> >           +
> >
> >             VLAIS paper by Tinti
> >
> >       o /
> >
> >         Merged globals/section mismatches update
> >
> >     /
> >
> > //
> >
> >     /
> >         /
> >           +
> >
> >             Write a test case to prove the bug on clang
> >
> >           +
> >
> >             Still needs more investigation
> >
> >           +
> >
> >             Investigation so far
> >             https://lftraining.dyndns.org/pad/p/llvm-section-mismatch
> >
> >           +
> >
> >             Clang seems to drop some attributes in the preprocessor
> >
> >           +
> >
> >             These dropped attributes mess up where init and exit code is
> >             linked which is causing the section mismatches
> >
> >         / /
> >
> > //
> >
> >     /
> >       o
> >
> >         Raspberry Pi Update
> >
> >         /
> >           +
> >
> >             Updated to kernel 3.8.1
> >
> >           +
> >
> >             Still have issue with khubd (usb issue)
> >
> >       o /
> >
> >         Cubieboard
> >
> >         /
> >           +
> >
> >             JanSimon: Added target for Cubieboard to master.
> >
> >       o /
> >
> >         GSoC
> >
> >         /
> >           +
> >
> >             http://llvm.linuxfoundation.org/index.php/GSoC
> >
> >           +
> >
> >             Both Jan-Simon and Behan have signed up as GSoC mentors
> >
> >       o /
> >
> >         LLVM micro conference at Linux Plumbers Conference
> >
> >         /
> >           +
> >
> >             Mark and Behan were asked to lead the LLVM Micro-conference
> >             at Linux Plumbers Conference
> >             http://wiki.linuxplumbersconf.org/2013:llvm
> >
> >           +
> >
> >             Now officially approved
> >
> >           +
> >
> >             Approaching people to come speak and problem solve
> >
> >       o /
> >
> >         LLVMLinux social media
> >
> >         /
> >           +
> >
> >             LLVMLinux is now listed on ohloh.net
> >             https://www.ohloh.net/p/llvmlinux
> >
> >           +
> >
> >             LLVMLinux Community on G+
> >
> https://plus.google.com/u/0/communities/112779045358462609379
> >
> >           +
> >       o /
> >
> >         Review bug list (please update your bugs on the website before
> >         the meeting)
> >
> >         /
> >           +
> >
> >             No change this week
> >
> >       o /
> >
> >         Review todo/roadmap list  (please update your todos on the
> >         website before the meeting)
> >
> >         /
> >           +
> >
> >             No change this week
> >
> >       o /
> >
> >         Review the project Roadmap/Timeline to take us to the end of the
> >         year
> >
> >         /
> >           +
> >
> >
> >
> https://docs.google.com/a/converseincode.com/spreadsheet/ccc?key=0AoeRmB6JBVt_dGYwSUNNNHd2SFFMWF9yMTRoa2VuZmc#gid=0
> >
> >       o /
> >     /
> >
> > //
> >
> >   *
> >
> >     (5 mins) Each meeting attendee listed the top 2 items to be worked
> >     on for the next 2 weeks
> >
> >     /
> >       o
> >
> >         Behan
> >
> >         /
> >           +
> >
> >             Follow up with LLVM features before LLVM 3.3 release
> >
> >           +
> >
> >             Work on LLVM recipes for yocto
> >
> >           +
> >
> >             Work on VLAIS benchmarks
> >
> >           +
> >
> >             Work on LPC micro conference speakers
> >
> >           +
> >
> >             Upstream Kernel patches
> >
> >       o /
> >
> >         Vinicius
> >
> >         /
> >           +
> >
> >             Benchmark Mark's VLAIS proposal
> >
> >           +
> >
> >             Run CTS in Nexus 7 and publish it results
> >
> >           +
> >
> >             Smoke USB test on Cubieboard
> >
> >       o /
> >
> >         Jan-Simon
> >
> >         /
> >           +
> >
> >             Upstreaming patches for X86 follow-up
> >
> >           +
> >
> >             cubieboard boot + usb test (re khubd on rpi)
> >
> >           +
> >
> >             GSoC
> >
> >           +
> >
> >             Qemu test run for x86_64
> >
> >       o /
> >
> >         Randy
> >
> >         /
> >           +
> >
> >             build host-tools for oe-core using clang
> >
> >           +
> >
> >             intro llvmlinux at OCLUG meeting
> >
> >           +
> >
> >             find a bug to fix. :)
> >
> >           +
> >
> >             longer run: http://en.wikipedia.org/wiki/Adaptevaor some hot
> >             hardware.
> >
> >         / /
> >
> > /
> >
> > Next meeting in 2-ish weeks. doodle poll to follow.
> >
> > *
> >
> > --
> > Behan Webster
> > behanw at converseincode.com
> >
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> > ------------------------------
> >
> > _______________________________________________
> > LLVMLinux mailing list
> > LLVMLinux at lists.linuxfoundation.org
> > https://lists.linuxfoundation.org/mailman/listinfo/llvmlinux
> >
> > End of LLVMLinux Digest, Vol 12, Issue 10
> > *****************************************
> >
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