Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Just for the records... [ OBJDUMP irq_work_tick() ] $ objdump -d -S --start-address=0x$(grep irq_work_tick System.map | sed -e "s/ \+.*//") vmlinux | less [ OBJDUMP native_save_fl() ] $ objdump -d -S --start-address=0x$(grep native_save_fl System.map | sed -e "s/ \+.*//") vmlinux | less -

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Just for the records... [ OBJDUMP irq_work_tick() ] $ objdump -d -S --start-address=0x$(grep irq_work_tick System.map | sed -e "s/ \+.*//") vmlinux | less [ OBJDUMP native_save_fl() ] $ objdump -d -S --start-address=0x$(grep native_save_fl System.map | sed -e "s/ \+.*//") vmlinux | less -

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

For the sake of completeness... [ CLANG VERSION ] # dpkg -l | grep clang-7 ii clang-7 1:7~svn332830-1~exp1+0~20180521091322.1776~1.gbp198359 amd64C, C++ and Objective-C compiler [ OBJDUMP native_save_fl() ] $ objdump -d -S --start-address=0x$(grep native_save_fl System.map | sed -e

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

For the sake of completeness... [ CLANG VERSION ] # dpkg -l | grep clang-7 ii clang-7 1:7~svn332830-1~exp1+0~20180521091322.1776~1.gbp198359 amd64C, C++ and Objective-C compiler [ OBJDUMP native_save_fl() ] $ objdump -d -S --start-address=0x$(grep native_save_fl System.map | sed -e

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi, I looked again into the llvm-bug #37512 and mentioned patches, so I give this a 2nd try (see attached patchset). Regards, - Sedat - From 6b78d2ecfae1cd3de35c8871605f0881df174b35 Mon Sep 17 00:00:00 2001 From: Nick Desaulniers Date: Sat, 7 Oct 2017 13:23:23 -0700

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi, I looked again into the llvm-bug #37512 and mentioned patches, so I give this a 2nd try (see attached patchset). Regards, - Sedat - From 6b78d2ecfae1cd3de35c8871605f0881df174b35 Mon Sep 17 00:00:00 2001 From: Nick Desaulniers Date: Sat, 7 Oct 2017 13:23:23 -0700 Subject: [PATCH 1/4] kbuild:

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, May 22, 2018 at 10:04 AM, Sedat Dilek wrote: > On Tue, May 22, 2018 at 9:39 AM, Sedat Dilek wrote: >> On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers >> wrote: >>> Sedat, >>> Thanks for the report. We have a

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, May 22, 2018 at 10:04 AM, Sedat Dilek wrote: > On Tue, May 22, 2018 at 9:39 AM, Sedat Dilek wrote: >> On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers >> wrote: >>> Sedat, >>> Thanks for the report. We have a fix ready in >>> https://bugs.llvm.org/show_bug.cgi?id=37512. Can you

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, May 22, 2018 at 9:39 AM, Sedat Dilek wrote: > On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers > wrote: >> Sedat, >> Thanks for the report. We have a fix ready in >> https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what >>

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, May 22, 2018 at 9:39 AM, Sedat Dilek wrote: > On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers > wrote: >> Sedat, >> Thanks for the report. We have a fix ready in >> https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what >> version of clang you were using and if earlier

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers wrote: > Sedat, > Thanks for the report. We have a fix ready in > https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what > version of clang you were using and if earlier versions of clang have > this issue?

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers wrote: > Sedat, > Thanks for the report. We have a fix ready in > https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what > version of clang you were using and if earlier versions of clang have > this issue? > Thanks, Can you give

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers wrote: > Sedat, > Thanks for the report. We have a fix ready in > https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what > version of clang you were using and if earlier versions of clang have > this issue?

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sat, May 19, 2018 at 12:54 AM, Nick Desaulniers wrote: > Sedat, > Thanks for the report. We have a fix ready in > https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what > version of clang you were using and if earlier versions of clang have > this issue? > Thanks, Hi Nick,

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Sedat, Thanks for the report. We have a fix ready in https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what version of clang you were using and if earlier versions of clang have this issue? Thanks, ~Nick

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Sedat, Thanks for the report. We have a fix ready in https://bugs.llvm.org/show_bug.cgi?id=37512. Can you report what version of clang you were using and if earlier versions of clang have this issue? Thanks, ~Nick

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Mon, May 7, 2018 at 7:49 PM, Matthias Kaehlcke wrote: > On Sun, May 06, 2018 at 09:42:09AM +0200, Sedat Dilek wrote: >> On Wed, Apr 25, 2018 at 1:06 AM, Matthias Kaehlcke wrote: >> > On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: >> >> Hi

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Mon, May 7, 2018 at 7:49 PM, Matthias Kaehlcke wrote: > On Sun, May 06, 2018 at 09:42:09AM +0200, Sedat Dilek wrote: >> On Wed, Apr 25, 2018 at 1:06 AM, Matthias Kaehlcke wrote: >> > On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: >> >> Hi Matthias, >> >> >> >> a big thank you

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 06, 2018 at 09:42:09AM +0200, Sedat Dilek wrote: > On Wed, Apr 25, 2018 at 1:06 AM, Matthias Kaehlcke wrote: > > On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: > >> Hi Matthias, > >> > >> a big thank you for giving all the informations! > >> > >> I

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 06, 2018 at 09:42:09AM +0200, Sedat Dilek wrote: > On Wed, Apr 25, 2018 at 1:06 AM, Matthias Kaehlcke wrote: > > On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: > >> Hi Matthias, > >> > >> a big thank you for giving all the informations! > >> > >> I used your

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

[...] > Moreover, a test-case can be helpful, e.g. "Is clang clobbering RCX?" > when it's a clang-bug. > > I tried to find some suitable test-case myself. > > The clang-source has a test-dir, but this is new to me. > > I tried to run a single test like test/Sema/asm.c in [1] with > llvm-tools

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

[...] > Moreover, a test-case can be helpful, e.g. "Is clang clobbering RCX?" > when it's a clang-bug. > > I tried to find some suitable test-case myself. > > The clang-source has a test-dir, but this is new to me. > > I tried to run a single test like test/Sema/asm.c in [1] with > llvm-tools

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 6, 2018 at 9:41 AM, Dmitry Vyukov wrote: > On Sun, May 6, 2018 at 8:35 AM, Sedat Dilek wrote: >> On Mon, Apr 23, 2018 at 7:42 PM, Matthias Kaehlcke wrote: >> [...] [ ASM-GOTO ] Foremore, I have seen you

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 6, 2018 at 9:41 AM, Dmitry Vyukov wrote: > On Sun, May 6, 2018 at 8:35 AM, Sedat Dilek wrote: >> On Mon, Apr 23, 2018 at 7:42 PM, Matthias Kaehlcke wrote: >> [...] [ ASM-GOTO ] Foremore, I have seen you have a "refs/sandbox/mka/llvm/v4.14" Git branch. Linux v4.14

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 6, 2018 at 8:35 AM, Sedat Dilek wrote: > On Mon, Apr 23, 2018 at 7:42 PM, Matthias Kaehlcke wrote: > [...] >>> [ ASM-GOTO ] >>> >>> Foremore, I have seen you have a "refs/sandbox/mka/llvm/v4.14" Git branch. >>> Linux v4.14 is also an LTS

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Sun, May 6, 2018 at 8:35 AM, Sedat Dilek wrote: > On Mon, Apr 23, 2018 at 7:42 PM, Matthias Kaehlcke wrote: > [...] >>> [ ASM-GOTO ] >>> >>> Foremore, I have seen you have a "refs/sandbox/mka/llvm/v4.14" Git branch. >>> Linux v4.14 is also an LTS release. >> >> Yes, there is also a follow up

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: > Hi Matthias, > > a big thank you for giving all the informations! > > I used your mka/llvm/v4.14_ext Git tree... > > https://chromium.googlesource.com/chromiumos/third_party/kernel/+log/sandbox/mka/llvm/v4.14_ext > > ...and was

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

On Tue, Apr 24, 2018 at 01:54:29PM +0200, Sedat Dilek wrote: > Hi Matthias, > > a big thank you for giving all the informations! > > I used your mka/llvm/v4.14_ext Git tree... > > https://chromium.googlesource.com/chromiumos/third_party/kernel/+log/sandbox/mka/llvm/v4.14_ext > > ...and was

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi Sedat, On Mon, Apr 23, 2018 at 03:56:41PM +0200, Sedat Dilek wrote: > [ CC Nick ] > [ CC Arnd ] > [ CC JF ] > I wrote some early documentation (wiki) and tested/booted a > clang-compiled kernel on x86-64 bare metal. > The project was called "lll-project" these days. > The followup -

Re: Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi Sedat, On Mon, Apr 23, 2018 at 03:56:41PM +0200, Sedat Dilek wrote: > [ CC Nick ] > [ CC Arnd ] > [ CC JF ] > I wrote some early documentation (wiki) and tested/booted a > clang-compiled kernel on x86-64 bare metal. > The project was called "lll-project" these days. > The followup -

Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

[ CC Nick ] [ CC Arnd ] [ CC JF ] Hi Matthias, I was following [1] a bit and fell over your original posting in [2]. I wrote some early documentation (wiki) and tested/booted a clang-compiled kernel on x86-64 bare metal. The project was called "lll-project" these days. The followup - LLVMlinux

Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

[ CC Nick ] [ CC Arnd ] [ CC JF ] Hi Matthias, I was following [1] a bit and fell over your original posting in [2]. I wrote some early documentation (wiki) and tested/booted a clang-compiled kernel on x86-64 bare metal. The project was called "lll-project" these days. The followup - LLVMlinux

Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi, Over the past months efforts have been made to upstream the remaining LLVMLinux patches (http://llvm.linuxfoundation.org) and to address other outstanding issues in order to build a usable kernel with clang. To my knowledge upstream is in a relatively good shape by now for x86 and arm64 (I

Clang patch stacks for LTS kernels (v4.4 and v4.9) and status update

Hi, Over the past months efforts have been made to upstream the remaining LLVMLinux patches (http://llvm.linuxfoundation.org) and to address other outstanding issues in order to build a usable kernel with clang. To my knowledge upstream is in a relatively good shape by now for x86 and arm64 (I