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[92.22.18.152]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43987f3ed03sm4803236f8f.16.2026.02.24.04.46.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Feb 2026 04:46:04 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c8a8cdd5-117e-11f1-9ccf-f158ae23cfc8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1771937165; x=1772541965; darn=lists.xenproject.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=g4sp/g7nefG7eULFXp8l8pUWsqFfRFPg4pIwmWThBj4=; b=NI1vGpZtD3OUSSmvgxKX5PC/NZKOvoWRA0R3mwY+2t7xDqCAUgZ64IYncg6LKRTG5+ KgtgyGXrB/KWRAWFW5ZFxB1qP4MY3CyzDSYHx56LbfhJleAsPOqnP5Kbc1zf8OSQ69iD vKBWbP2lPxuqeUMSquAxkgsyPg7vwlQSOOw4w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771937165; x=1772541965; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=g4sp/g7nefG7eULFXp8l8pUWsqFfRFPg4pIwmWThBj4=; b=Gu2wzLDq2yGUQJILzXZj7Mqn+IoHbEd2gOUaaxTY9ZqBgla2dvXvmwNKkgqCAXz55+ INsjAZACmRX8OiZAhQ5Rz+bWjWuBViaDUD4KwD1l0VIHQ+M8lWTYsdX3utx3uopg8N9s p3nIQmiQL/lJBV5EqawMcCtJFMSJ1zd9hW1dx+zwBdMWqi7IfjAXQJaBOQFM1U6xntsR SqcFxnHhznXN7CkLrqBbelRIZIHFpWlipEXt6cOtb1AiNR9hjFRTAdO6ZaHVNPOO0hVT Ks1vwgEye3296SRNxqriaWbBl7ph3+ruJnWBthndgoomMKjNm4M1rkBz9b7H1jlKsg5+ prfA== X-Gm-Message-State: AOJu0YzhIvfAiPLRwvGiAIJkDJe3WeGn1t2CqpIDEy58wX2XeK5hVHEa ul5JNcwmAJSZGUBBIaT+h8ivsg1O/8OJgeJM9BRk4/naQVFEEhSkLT0lk28JalYlBvsy2QX0P/O SItW6Pd2vVw== X-Gm-Gg: ATEYQzy+dJgrKBxueC4qoENCUR8d62uVptYpAQb40aFjPO5QR7M3mwlQfC7vONKbl1Y LGTGLT3Yqp1NB5GAErMPOpZnhV55PXlrhw7oc0SW2kJ+hxspgT77VJiFJtoMY2nq0FrOcVGrgS1 BgTyE89FSM/hQQYYFnyDbPFf0aygHn2+aK52C57oG049tIrPeZPg0fBphnDZvHZCUGL0rdYb19e oNJChMH6MG/wT3sbamHS0T5oYOgWHuDz51o5YTeWcgbMHievX2DXWxA+xlk8cuChbi45MTQNQt9 vrDOzdSKfgAjAYhpn1sfGYloIcC7+27UEVEt6YdGEuKYxEAPFrT8UuCsOmpUmRW1j+GKnCnSQLg eu9ILEyPJDvwuIb/yziTa9qUQDy/c0hCvB5DwThhWpkuUIc0XlguBKvDSo+Y9/F7Yq9pUQ+WKos 5uwEgzgaSS65ErgQ1UsahcQuf4kjLfw4Sai697P6hUp/A9QJu/q4iNJ2Hz5vM/9iYoIEh6m7s= X-Received: by 2002:a05:6000:2281:b0:436:19f6:31b0 with SMTP id ffacd0b85a97d-4396f153c41mr23095241f8f.4.1771937164753; Tue, 24 Feb 2026 04:46:04 -0800 (PST) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Stefano Stabellini , Julien Grall , Volodymyr Babchuk , Bertrand Marquis , Michal Orzel Subject: [PATCH 2/2] xen/arm: Simplify type handling for SMCCC declarations Date: Tue, 24 Feb 2026 12:45:58 +0000 Message-Id: <20260224124558.3675278-3-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260224124558.3675278-1-andrew.cooper3@citrix.com> References: <20260224124558.3675278-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1771937195429158500 Content-Type: text/plain; charset="utf-8" There's no use creating a typed copy of a macro argument, simply to use it = to create a second typed copy. Remove the indirection, halving the number of local variables created in scope. No functional change. Signed-off-by: Andrew Cooper Reviewed-by: Michal Orzel --- CC: Stefano Stabellini CC: Julien Grall CC: Volodymyr Babchuk CC: Bertrand Marquis CC: Michal Orzel This also makes them clearly elliglbe for converstion to auto, where they weren't before (typeof expression not being that of the RHS). --- xen/arch/arm/include/asm/smccc.h | 21 +++++++-------------- 1 file changed, 7 insertions(+), 14 deletions(-) diff --git a/xen/arch/arm/include/asm/smccc.h b/xen/arch/arm/include/asm/sm= ccc.h index 347c4526d12a..7e90b0b56550 100644 --- a/xen/arch/arm/include/asm/smccc.h +++ b/xen/arch/arm/include/asm/smccc.h @@ -113,39 +113,32 @@ struct arm_smccc_res { register unsigned long arg0 ASM_REG(0) =3D (uint32_t)(a0) =20 #define __declare_arg_1(a0, a1, res) \ - typeof(a1) __a1 =3D (a1); \ __declare_arg_0(a0, res); \ - register typeof(a1) arg1 ASM_REG(1) =3D __a1 + register typeof(a1) arg1 ASM_REG(1) =3D a1 =20 #define __declare_arg_2(a0, a1, a2, res) \ - typeof(a1) __a1 =3D (a1); \ __declare_arg_1(a0, a1, res); \ - register typeof(a2) arg2 ASM_REG(2) =3D __a2 + register typeof(a2) arg2 ASM_REG(2) =3D a2 =20 #define __declare_arg_3(a0, a1, a2, a3, res) \ - typeof(a1) __a1 =3D (a1); \ __declare_arg_2(a0, a1, a2, res); \ - register typeof(a3) arg3 ASM_REG(3) =3D __a3 + register typeof(a3) arg3 ASM_REG(3) =3D a3 =20 #define __declare_arg_4(a0, a1, a2, a3, a4, res) \ - typeof(a4) __a4 =3D (a4); \ __declare_arg_3(a0, a1, a2, a3, res); \ - register typeof(a4) arg4 ASM_REG(4) =3D __a4 + register typeof(a4) arg4 ASM_REG(4) =3D a4 =20 #define __declare_arg_5(a0, a1, a2, a3, a4, a5, res) \ - typeof(a5) __a5 =3D (a5); \ __declare_arg_4(a0, a1, a2, a3, a4, res); \ - register typeof(a5) arg5 ASM_REG(5) =3D __a5 + register typeof(a5) arg5 ASM_REG(5) =3D a5 =20 #define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res) \ - typeof(a6) __a6 =3D (a6); \ __declare_arg_5(a0, a1, a2, a3, a4, a5, res); \ - register typeof(a6) arg6 ASM_REG(6) =3D __a6 + register typeof(a6) arg6 ASM_REG(6) =3D a6 =20 #define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res) \ - typeof(a7) __a7 =3D (a7); \ __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \ - register typeof(a7) arg7 ASM_REG(7) =3D __a7 + register typeof(a7) arg7 ASM_REG(7) =3D a7 =20 #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__) #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__) --=20 2.39.5