Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Sat, Jan 9, 2021 at 6:06 PM Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 11:03:57AM -0600, Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 05:45:47PM +0100, Sedat Dilek wrote: > > > I tried merging with clang-cfi Git which is based on Linux v5.11-rc2+ > > > with a lot of merge

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Sat, Jan 9, 2021 at 6:06 PM Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 11:03:57AM -0600, Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 05:45:47PM +0100, Sedat Dilek wrote: > > > I tried merging with clang-cfi Git which is based on Linux v5.11-rc2+ > > > with a lot of merge

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Josh Poimboeuf
On Sat, Jan 09, 2021 at 11:03:57AM -0600, Josh Poimboeuf wrote: > On Sat, Jan 09, 2021 at 05:45:47PM +0100, Sedat Dilek wrote: > > I tried merging with clang-cfi Git which is based on Linux v5.11-rc2+ > > with a lot of merge conflicts. > > > > Did you try on top of cfi-10 Git tag which is based

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Josh Poimboeuf
On Sat, Jan 09, 2021 at 05:45:47PM +0100, Sedat Dilek wrote: > I tried merging with clang-cfi Git which is based on Linux v5.11-rc2+ > with a lot of merge conflicts. > > Did you try on top of cfi-10 Git tag which is based on Linux v5.10? > > Whatever you successfully did... Can you give me a

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Sat, Jan 9, 2021 at 5:33 PM Josh Poimboeuf wrote: > > > > > Did you push it (oh ah push it push it really really really good...) > > > > to your remote Git please :-). > > > > > > I thought I already pushed it pretty good ;-) do you not see it? > > > > > >

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Josh Poimboeuf
> > > Did you push it (oh ah push it push it really really really good...) > > > to your remote Git please :-). > > > > I thought I already pushed it pretty good ;-) do you not see it? > > > > git://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git > > objtool-vmlinux > > > >

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Sat, Jan 9, 2021 at 5:07 PM Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 04:46:21PM +0100, Sedat Dilek wrote: > > On Sat, Jan 9, 2021 at 4:36 PM Josh Poimboeuf wrote: > > > > > > On Sat, Jan 09, 2021 at 03:54:20PM +0100, Sedat Dilek wrote: > > > > I am interested in having Clang LTO

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Josh Poimboeuf
On Sat, Jan 09, 2021 at 04:46:21PM +0100, Sedat Dilek wrote: > On Sat, Jan 9, 2021 at 4:36 PM Josh Poimboeuf wrote: > > > > On Sat, Jan 09, 2021 at 03:54:20PM +0100, Sedat Dilek wrote: > > > I am interested in having Clang LTO (Clang-CFI) for x86-64 working and > > > help with testing. > > > > >

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Sat, Jan 9, 2021 at 4:36 PM Josh Poimboeuf wrote: > > On Sat, Jan 09, 2021 at 03:54:20PM +0100, Sedat Dilek wrote: > > I am interested in having Clang LTO (Clang-CFI) for x86-64 working and > > help with testing. > > > > I tried the Git tree mentioned in [3] > > (together with changes from ).

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Josh Poimboeuf
On Sat, Jan 09, 2021 at 03:54:20PM +0100, Sedat Dilek wrote: > I am interested in having Clang LTO (Clang-CFI) for x86-64 working and > help with testing. > > I tried the Git tree mentioned in [3] > (together with changes from ). > > I only see in my build-log... > >

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-09 Thread Sedat Dilek
On Fri, Dec 11, 2020 at 7:46 PM 'Sami Tolvanen' via Clang Built Linux wrote: > > This patch series adds support for building the kernel with Clang's > Link Time Optimization (LTO). In addition to performance, the primary > motivation for LTO is to allow Clang's Control-Flow Integrity (CFI) > to

Re: [PATCH v9 00/16] Add support for Clang LTO

2021-01-08 Thread Kees Cook
On Fri, 11 Dec 2020 10:46:17 -0800, Sami Tolvanen wrote: > This patch series adds support for building the kernel with Clang's > Link Time Optimization (LTO). In addition to performance, the primary > motivation for LTO is to allow Clang's Control-Flow Integrity (CFI) > to be used in the kernel.

Re: [PATCH v9 00/16] Add support for Clang LTO

2020-12-11 Thread Kees Cook
On Fri, Dec 11, 2020 at 10:46:17AM -0800, Sami Tolvanen wrote: > This patch series adds support for building the kernel with Clang's > Link Time Optimization (LTO). In addition to performance, the primary > motivation for LTO is to allow Clang's Control-Flow Integrity (CFI) > to be used in the

[PATCH v9 00/16] Add support for Clang LTO

2020-12-11 Thread Sami Tolvanen
This patch series adds support for building the kernel with Clang's Link Time Optimization (LTO). In addition to performance, the primary motivation for LTO is to allow Clang's Control-Flow Integrity (CFI) to be used in the kernel. Google has shipped millions of Pixel devices running three major