Re: [PATCH v3 0/6] Rust: support `CPU_MITIGATIONS` and enable `objtool`
From: Benno Lossin
Date: Thu Jul 25 2024 - 15:10:44 EST
On 25.07.24 20:33, Miguel Ojeda wrote:
> Hi,
>
> This is just v2 with the helper function suggested by Peter.
>
> I dropped Benno's and Alice's Tested-bys from the modified patch, just
> in case, but the logic should be equivalent.
I re-ran my tests and the results are the same as with v1.
Tested-by: Benno Lossin <benno.lossin@xxxxxxxxx>
---
Cheers,
Benno
> Cheers,
> Miguel
>
> v3:
> - Added `is_rust_noreturn()` helper function (Peter).
> - Reworded a couple bits.
>
> v2: https://lore.kernel.org/rust-for-linux/20240724161501.1319115-1-ojeda@xxxxxxxxxx/
> v1: https://lore.kernel.org/rust-for-linux/20231023174449.251550-1-ojeda@xxxxxxxxxx/
>
> Miguel Ojeda (6):
> rust: module: add static pointer to `{init,cleanup}_module()`
> x86/rust: support MITIGATION_RETPOLINE
> x86/rust: support MITIGATION_RETHUNK
> x86/rust: support MITIGATION_SLS
> objtool/rust: list `noreturn` Rust functions
> objtool/kbuild/rust: enable objtool for Rust
>
> arch/x86/Makefile | 7 ++++-
> rust/Makefile | 22 +++++++++------
> rust/macros/module.rs | 12 +++++++++
> scripts/Makefile.build | 9 +++++--
> scripts/generate_rust_target.rs | 15 +++++++++++
> tools/objtool/check.c | 48 ++++++++++++++++++++++++++++++++-
> tools/objtool/noreturns.h | 2 ++
> 7 files changed, 103 insertions(+), 12 deletions(-)
>
>
> base-commit: b1263411112305acf2af728728591465becb45b0
> --
> 2.45.2