From patchwork Fri Apr 11 09:00:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thorsten Blum X-Patchwork-Id: 14047875 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B5051EFFB0 for ; Fri, 11 Apr 2025 09:00:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744362059; cv=none; b=acz8Y5WstfBD3D1OUbb86rs4LkNMTX0xI3ASUFZ3eWve7btuVVQbDUD0RW9RWz5Lif73NaAnCWeXNQZukO7fyCjOKAtFba//ACBvcyDFaw5PRGsfneCmR5HjyBUGMuQJWaNhEaQuxykUBXaG4Yi1oUkRvWq4NUaQwgOAvLeVYpM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744362059; c=relaxed/simple; bh=AuFbb9Im5wZZ7hywLyUl0mj64HOD1UiDMpJHPP5JD0g=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=oLsgc1LFlOX+/WN7Qg9Bsmwn3K4Xykae/4pIOsEWErClCPzetIQq8jNPLkMv2acAWseT1sn3lqHkCw6QkjCmhpKMgmwcnr8ZpYUqmMl6kN/FGzSsc5mVuEj0x8fZcXMbCV1xgqqSFavcUKfZzEa9DHxhyhOmnExXyWQcTgu3Kbo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=RnMub+sY; arc=none smtp.client-ip=95.215.58.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="RnMub+sY" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1744362046; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=RjKO2M3p+Cll4XnVzn0mEDiJxphotJjwp94db8HB+CY=; b=RnMub+sYvLcT+leWxjHL66XzWbidJYObTw74cPurm/KeECv9+RYGTf9EXXBi3o42SV2WFg SLPNNyCEm/wsfw/gyprA4m916Whnx5+13SaPINS5eoFTTO6OnT5rY7Ddc0XmOr11WY21lx Getas07m6yRScE+9T0LLstyxRGsIS8Q= From: Thorsten Blum To: Oleg Nesterov , Thomas Bogendoerfer Cc: Thorsten Blum , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] MIPS: Remove unnecessary zero-length struct member Date: Fri, 11 Apr 2025 11:00:32 +0200 Message-ID: <20250411090032.7844-1-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Remove the zero-length struct member '__last' and use sizeof() to calculate the value for MAX_REG_OFFSET. No functional changes intended. Signed-off-by: Thorsten Blum --- arch/mips/include/asm/ptrace.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index 85fa9962266a..1bb10ee8c2ce 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -48,7 +48,6 @@ struct pt_regs { unsigned long long mpl[6]; /* MTM{0-5} */ unsigned long long mtp[6]; /* MTP{0-5} */ #endif - unsigned long __last[0]; } __aligned(8); static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) @@ -65,7 +64,7 @@ static inline void instruction_pointer_set(struct pt_regs *regs, /* Query offset/name of register from its name/offset */ extern int regs_query_register_offset(const char *name); -#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last)) +#define MAX_REG_OFFSET (sizeof(struct pt_regs)) /** * regs_get_register() - get register value from its offset