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format some old meeting notes #13

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146 changes: 67 additions & 79 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -218,90 +218,78 @@ Send to: [email protected]


## Sep 22, 2021
Bill describing difficulties in implementation of zeroing callee used regs.
Plumbers (Toolchain MC Friday)
Almost back to green in CI now that we can apply patch files
TODO: re-enable -Werror for allmodconfig builds
Arnd’s randconfig W=1 builds almost green for GCC and Clang
https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/log/?h=randconfig-5.15-min
Kees had QEMU buffering fixes for ci
Nick bootstrapping llvm against musl
https://reviews.llvm.org/D109837
Try -DLLVM_HOST_TRIPLE=
- Bill describing difficulties in implementation of zeroing callee used regs.
- Plumbers (Toolchain MC Friday)
- Almost back to green in CI now that we can apply patch files
- TODO: re-enable -Werror for allmodconfig builds
- [Arnd’s randconfig W=1 builds almost green for GCC and Clang](https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/log/?h=randconfig-5.15-min)
- Kees had QEMU buffering fixes for ci
- Nick bootstrapping llvm against musl
- https://reviews.llvm.org/D109837
- Try -DLLVM_HOST_TRIPLE=


## Sep 8, 2021
Need attribute error warning kernel fixes to be picked up by Miguel
https://github.com/ClangBuiltLinux/linux/issues/1173
__mulodi4 llvm fixes in, need to do kernel fixes
https://github.com/ClangBuiltLinux/linux/issues/1438
Todo file bug against gcc for mulodi4?
Switch bit test fixes landed in llvm fixes LTO boot
https://reviews.llvm.org/rG4331f19d8b9ac8101d55073834b35814afce4e5a
-Werror
https://lore.kernel.org/lkml/[email protected]/
Sanitizer vs frame-larger-than=
Stable vs compiler version checks
TODO Disable WERROR in CI
LLVM_IAS=1 CROSS_COMPILE landed in mainline
5.15 merge window open
Conf cfps
Distributors conf: https://github.com/ClangBuiltLinux/llvm-distributors-conf-2021/issues
CBL meetup 2: https://github.com/ClangBuiltLinux/CBL-meetup-II-turbo/issues
LinuxConfAU extended their deadline: https://linux.conf.au/programme/miniconfs/
LLVM virtual meetup (no BoFs this year, let's do a roundtable?): https://lists.llvm.org/pipermail/llvm-dev/2021-September/152483.html
Kasan s390 ci coverage added to our CI
Nearing Github Actions CI matrix limit
Kees fortify patches (being split into 2 series)
New mailing list and IRC
TODO update mailmap
[email protected]
#clangbuiltlinux on irc.libera.chat
Sami CFI patches
https://reviews.llvm.org/D108478
https://reviews.llvm.org/D108479
Bill finding shadowing and scev issues (b/198158061) (https://reviews.llvm.org/D104741)
Talk to Miguel if you’re interested in Rust+kernel
(Nick) tailcall optimizations for fortified routines: https://reviews.llvm.org/D107872
- [Need attribute error warning kernel fixes to be picked up by Miguel](https://github.com/ClangBuiltLinux/linux/issues/1173)
- [__mulodi4 llvm fixes in, need to do kernel fixes](https://github.com/ClangBuiltLinux/linux/issues/1438)
- Todo file bug against gcc for mulodi4?
- [Switch bit test fixes landed in llvm fixes LTO boot](https://reviews.llvm.org/rG4331f19d8b9ac8101d55073834b35814afce4e5a)
- [-Werror](https://lore.kernel.org/lkml/[email protected]/)
- Sanitizer vs frame-larger-than=
- Stable vs compiler version checks
- TODO Disable WERROR in CI
- LLVM_IAS=1 CROSS_COMPILE landed in mainline
- 5.15 merge window open
- Conf cfps
- [Distributors conf](https://github.com/ClangBuiltLinux/llvm-distributors-conf-2021/issues)
- [CBL meetup 2](https://github.com/ClangBuiltLinux/CBL-meetup-II-turbo/issues)
- [LinuxConfAU extended their deadline](https://linux.conf.au/programme/miniconfs/)
- [LLVM virtual meetup (no BoFs this year, let's do a roundtable?)](https://lists.llvm.org/pipermail/llvm-dev/2021-September/152483.html)
- Kasan s390 ci coverage added to our CI
- Nearing Github Actions CI matrix limit
- Kees fortify patches (being split into 2 series)
- New mailing list and IRC
- TODO update mailmap
- [email protected]
- #clangbuiltlinux on irc.libera.chat
- Sami CFI patches
- https://reviews.llvm.org/D108478
- https://reviews.llvm.org/D108479
- [Bill finding shadowing and scev issues](https://reviews.llvm.org/D104741)
- b/198158061
- Talk to Miguel if you’re interested in Rust+kernel
- (Nick) [tailcall optimizations for fortified routines](https://reviews.llvm.org/D107872)

## Aug 25, 2021
Error+warning attributes landed
https://reviews.llvm.org/D106030
30 years of Linux!
https://lwn.net/Articles/867315/
-Wimplicit-fallthrough for 5.15?
https://github.com/ClangBuiltLinux/linux/issues/1429
https://github.com/llvm/llvm-project/commit/9ed4a94d6451046a51ef393cd62f00710820a7e8
https://lore.kernel.org/r/20210819040517.GA329693@embeddedor/
ThinLTO regression in LLVM
https://github.com/ClangBuiltLinux/linux/issues/1440
https://reviews.llvm.org/D106056
https://lore.kernel.org/r/[email protected]/
CFI x86_64 v2 series
https://lore.kernel.org/r/[email protected]
Currently limited to clang-14 but compiler side fix should be going in clang-13.
-falign-jumps=0 warning
https://lore.kernel.org/r/[email protected]/
https://lore.kernel.org/r/[email protected]/
https://lore.kernel.org/r/[email protected]/
clang-13 and sanitizer coverage in CI merged
https://github.com/ClangBuiltLinux/continuous-integration2/pull/178
https://github.com/ClangBuiltLinux/continuous-integration2/pull/179
cc-option-yn removal
https://lore.kernel.org/r/[email protected]/
-Wbool-operation enhancement
https://reviews.llvm.org/D108003
PowerPC '-z notext' fix for CONFIG_RELOCATABLE
https://lore.kernel.org/r/[email protected]/
Getting help from Intel on certain bugs
https://groups.google.com/g/clang-built-linux/c/fIy6K5Uxr3s/m/vV--Yt78BgAJ
[email protected]
https://subspace.kernel.org/lists.linux.dev.html
https://subspace.kernel.org/#subscribing
LTO kbuild patches
https://lore.kernel.org/lkml/CAK7LNARoxA875uynQHs-HpcfXtzFvuxkzSha9tquR2uV0Za10A@mail.gmail.com/
Fortify source series for 5.15 then 5.16?
Bill looking into zero call registers
- [Error+warning attributes landed](https://reviews.llvm.org/D106030)
- [30 years of Linux!](https://lwn.net/Articles/867315/)
- -Wimplicit-fallthrough for 5.15?
- https://github.com/ClangBuiltLinux/linux/issues/1429
- https://github.com/llvm/llvm-project/commit/9ed4a94d6451046a51ef393cd62f00710820a7e8
- https://lore.kernel.org/r/20210819040517.GA329693@embeddedor/
- ThinLTO regression in LLVM
- https://github.com/ClangBuiltLinux/linux/issues/1440
- https://reviews.llvm.org/D106056
- https://lore.kernel.org/r/[email protected]/
- [CFI x86_64 v2 series](https://lore.kernel.org/r/[email protected])
- Currently limited to clang-14 but compiler side fix should be going in clang-13.
- -falign-jumps=0 warning
- https://lore.kernel.org/r/[email protected]/
- https://lore.kernel.org/r/[email protected]/
- https://lore.kernel.org/r/[email protected]/
- clang-13 and sanitizer coverage in CI merged
- https://github.com/ClangBuiltLinux/continuous-integration2/pull/178
- https://github.com/ClangBuiltLinux/continuous-integration2/pull/179
- [cc-option-yn removal](https://lore.kernel.org/r/[email protected]/)
- [-Wbool-operation enhancement](https://reviews.llvm.org/D108003)
- [PowerPC '-z notext' fix for CONFIG_RELOCATABLE](https://lore.kernel.org/r/[email protected]/)
- [Getting help from Intel on certain bugs](https://groups.google.com/g/clang-built-linux/c/fIy6K5Uxr3s/m/vV--Yt78BgAJ)
- [email protected]
- https://subspace.kernel.org/lists.linux.dev.html
- https://subspace.kernel.org/#subscribing
- [LTO kbuild patches](https://lore.kernel.org/lkml/CAK7LNARoxA875uynQHs-HpcfXtzFvuxkzSha9tquR2uV0Za10A@mail.gmail.com/)
- Fortify source series for 5.15 then 5.16?
- Bill looking into zero call registers

## Aug 11, 2021
ARMv4 LLD support discussion `--fix-v4bx`
Expand Down