From: Mingcong Bai <jeffbai@aosc.io>
To: Xi Ruoyao <xry111@xry111.site>, Nathan Chancellor <nathan@kernel.org>
Cc: loongarch@lists.linux.dev, "Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
"Bill Wendling" <morbo@google.com>,
"Justin Stitt" <justinstitt@google.com>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Tiezhu Yang" <yangtiezhu@loongson.cn>,
"open list:RUST" <rust-for-linux@vger.kernel.org>,
"open list" <linux-kernel@vger.kernel.org>,
"open list:CLANG/LLVM BUILD SUPPORT:Keyword:b(?i:clang|llvm)b"
<llvm@lists.linux.dev>
Subject: Re: [PATCH] rust: Add -fno-isolate-erroneous-paths-dereference to bindgen_skip_c_flags
Date: Wed, 15 Oct 2025 11:19:52 +0800 [thread overview]
Message-ID: <7ead454c-8807-4e50-800c-5a646d88fa25@aosc.io> (raw)
In-Reply-To: <20251015022037.14535-2-xry111@xry111.site>
Hi Ruoyao,
在 2025/10/15 10:20, Xi Ruoyao 写道:
> It's used to work around an objtool issue since commit abb2a5572264
> ("LoongArch: Add cflag -fno-isolate-erroneous-paths-dereference"), but
> it's then passed to bindgen and cause an error because Clang does not
> have this option.
>
> Fixes: abb2a5572264 ("LoongArch: Add cflag -fno-isolate-erroneous-paths-dereference")
> Signed-off-by: Xi Ruoyao <xry111@xry111.site>
> ---
> rust/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/rust/Makefile b/rust/Makefile
> index 23c7ae905bd2..0676b1194a62 100644
> --- a/rust/Makefile
> +++ b/rust/Makefile
> @@ -289,7 +289,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
> -fno-inline-functions-called-once -fsanitize=bounds-strict \
> -fstrict-flex-arrays=% -fmin-function-alignment=% \
> -fzero-init-padding-bits=% -mno-fdpic \
> - --param=% --param asan-%
> + --param=% --param asan-% -fno-isolate-erroneous-paths-dereference
>
> # Derived from `scripts/Makefile.clang`.
> BINDGEN_TARGET_x86 := x86_64-linux-gnu
Tested good applied atop v6.18-rc1, which includes the aforementioned
abb2a5572264.
Tested-by: Mingcong Bai <jeffbai@aosc.io>
Best Regards,
Mingcong Bai
next prev parent reply other threads:[~2025-10-15 3:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-15 2:20 [PATCH] rust: Add -fno-isolate-erroneous-paths-dereference to bindgen_skip_c_flags Xi Ruoyao
2025-10-15 3:19 ` Mingcong Bai [this message]
2025-10-15 10:20 ` Miguel Ojeda
2025-10-15 10:31 ` Huacai Chen
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