From nobody Wed Dec 17 16:12:17 2025 Received: from mail-pg1-f179.google.com (mail-pg1-f179.google.com [209.85.215.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4773B182D2; Tue, 10 Dec 2024 00:19:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733789978; cv=none; b=NOvVdNgL5pri+QpHCpWth6nLF3PmnrrlUPg8IZ797d6tEZiAZrXCk9887jpTsudSHZRvKKoe81AvryHUWUbQevHy93F6x7k24P2Vrs7XvgnQpZYdp4/mUPnI7o4c0t3qP9H6SGMD4NITyYvg79QwI0tC0rx9Alul+dXyCWC4fCA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733789978; c=relaxed/simple; bh=tLULYhncvqXuSEEMkRa308bOiD43z3dLIb09npubBjc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZDOsn+/L/Nz5l5quxOXqgHNovsiXpfWPY5t1xp/mH1icHQnRbQbd0ZEq6Oxo6ktX5OEmz+D2W2ZfMEEsW7+1ilzqm6eKL87wQ3jLfOwWUbgVXDUhbpPaEU0LFPkMdn7KcKd0SIVA6FKF3buMI+k+41JAFI48RjSSguUhR0EkKYI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=HSTSM3yv; arc=none smtp.client-ip=209.85.215.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HSTSM3yv" Received: by mail-pg1-f179.google.com with SMTP id 41be03b00d2f7-7e9e38dd5f1so4000744a12.0; Mon, 09 Dec 2024 16:19:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1733789976; x=1734394776; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Og2RZIwk2Fmm4a1enxRaJzgczmbvkc80VyX2Z+HeAaA=; b=HSTSM3yvD5ywLgXaMOcDHKC+xDMlQeZ7LIaq21S5Qq0JojalEuLZeI8tdJOmZ1I5bH NFpjU48Ivspmbc711qBuIOBcCAcXF4Fb0CgG2xfA6h45y0qYPNhNW1NxjnXWJf3qQXNH ELB99IcCQDqYtvmT0R+FwPulX8pRVbpYpmQPSRePFNCZKjjsXrgdcEWiSoCjugr0rRDy +gMTtHL7KCoO7aZqthY+kY9LDpU2sRNzvDqliPhhVl92B6vlJhfMu0p4FX5dcyX3ybV2 fehUWo/ojV3y9AZlZ6sP0kPzAys5FsHsexynsNzajy0829GAf6qdQ6iS70YUsaLfbt/m e98g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733789976; x=1734394776; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Og2RZIwk2Fmm4a1enxRaJzgczmbvkc80VyX2Z+HeAaA=; b=G9ugq1qixQwK1r5JFC0o+mqa3lxX8IPV3TDVmHb5PDZa3F2lGs7+5Z64AsJEaSKifk ROY9VfHp+/xFdjtuIJPCxyMV1GKyww6J5ovGRrbsVeeDusle4gtTErhuAkugqcHT/rYU jxgUf9AJVOSbw2o8szRhwqPve9jzMhDFe9rz2P+8Pz30pE9/bxoHEpZvuFiUOhH7XTmT mFiYvGcY2J1m0rbGUAB6p4JwWarw956k+cZD3sCjStH+6I1lRrXYbHd7YE75QNoRHjMv T8HhNA3BYE2ZoxowBwam3GBrQksB6D/gL9TcW0u5qNxwIKFj7iQ9KI+OshbnFwUwbRVi gorA== X-Forwarded-Encrypted: i=1; AJvYcCU5lblk/o9/7npLxqyU4o85QwV72oMpZPqiDVSxA3umaIbIXhGqCb5vT7BwbBGozFLPTT8RP8bQyQw9MQBbCw==@vger.kernel.org X-Gm-Message-State: AOJu0Yxslh7Fxjl4h9fffwK9EDuUouvEYFD2qpjMR3YJ3XrUxtPUEEKi LBPlHJEOQzd6dPLt/ioz/vbw7Yro0Siheh6UCFmx77C9Wmmzz7kkC/dCAugJ X-Gm-Gg: ASbGncvrnGfKw/BttlkonBePpmNZVrc4fW1t1WXDXfttcGGjUMTXixr3oANiN7BbcKg tLubRAlrbQ7pNSb704SlKxt9SauQtyhox0S3zGQGbenl/jLk5n+VaMHo86cWI2PWMVZsXYdPorq +9SJjGjl4p8VbPj76Q55AsL4PiZ0bpYuzhRSeLRNH/R/TCw+ksjlbCl8NjNHKZYMAO1SA1YqvNg rdJa9rgN6dSs8CoJBAzkefbcMtiEUZb9C3j4gsTL6ggDIBj+X57Ej8Gv9xNwdT1gbF7r0LuFEty hZXq6cMbPVTC5bAkpf3P+ov9RY9d X-Google-Smtp-Source: AGHT+IFzrftQzGze1g0ifR+gfHYjdPe8pRM5le+6CFZEL33/9GPgGvUcXSJX0JYy+N5Of4n1uRZr/g== X-Received: by 2002:a05:6a21:8cc7:b0:1d9:c78f:4207 with SMTP id adf61e73a8af0-1e1870bb625mr22034147637.11.1733789976324; Mon, 09 Dec 2024 16:19:36 -0800 (PST) Received: from mew.. (p4007189-ipxg22601hodogaya.kanagawa.ocn.ne.jp. [180.53.81.189]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-725f1fba027sm2005005b3a.3.2024.12.09.16.19.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Dec 2024 16:19:36 -0800 (PST) From: FUJITA Tomonori To: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org Cc: x86@kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, peterz@infradead.org, hpa@zytor.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, catalin.marinas@arm.com, will@kernel.org, chenhuacai@kernel.org, kernel@xen0n.name, tangyouling@loongson.cn, hejinyang@loongson.cn, yangtiezhu@loongson.cn, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu Subject: [PATCH v1 4/5] loongarch/bug: Add ARCH_WARN_ASM macro for BUG/WARN asm code sharing with Rust Date: Tue, 10 Dec 2024 09:18:00 +0900 Message-ID: <20241210001802.228725-5-fujita.tomonori@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241210001802.228725-1-fujita.tomonori@gmail.com> References: <20241210001802.228725-1-fujita.tomonori@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add new ARCH_WARN_ASM macro for BUG/WARN assembly code sharing with Rust to avoid the duplication. No functional changes. Signed-off-by: FUJITA Tomonori --- arch/loongarch/include/asm/bug.h | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/arch/loongarch/include/asm/bug.h b/arch/loongarch/include/asm/= bug.h index 08388876ade4..2343c4226595 100644 --- a/arch/loongarch/include/asm/bug.h +++ b/arch/loongarch/include/asm/bug.h @@ -21,14 +21,21 @@ #ifndef CONFIG_GENERIC_BUG #define __BUG_ENTRY(flags) #else -#define __BUG_ENTRY(flags) \ + +#define __BUG_ENTRY_START \ .pushsection __bug_table, "aw"; \ .align 2; \ 10000: .long 10001f - .; \ - _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ - .short flags; \ + +#define __BUG_ENTRY_END \ .popsection; \ 10001: + +#define __BUG_ENTRY(flags) \ + __BUG_ENTRY_START \ + _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ + .short flags; \ + __BUG_ENTRY_END #endif =20 #define ASM_BUG_FLAGS(flags) \ @@ -55,6 +62,24 @@ do { \ unreachable(); \ } while (0) =20 +#ifdef CONFIG_DEBUG_BUGVERBOSE +#define __BUG_LOCATION_STRING(file, line) \ + ".long " file "- .;" \ + ".short " line ";" +#else +#define __BUG_LOCATION_STRING(_file, _line) +#endif + +#define __BUG_ENTRY_STRING(file, line, flags) \ + __stringify(__BUG_ENTRY_START) \ + __BUG_LOCATION_STRING(file, line) \ + ".short " flags ";" \ + __stringify(__BUG_ENTRY_END) + +#define ARCH_WARN_ASM(file, line, flags, size) \ + __BUG_ENTRY_STRING(file, line, flags) \ + __stringify(break BRK_BUG) ";" + #define HAVE_ARCH_BUG =20 #include --=20 2.43.0