From nobody Sun Feb 8 18:09:23 2026 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (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 39E5112E5C for ; Mon, 5 Feb 2024 09:39:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707125976; cv=none; b=beMUZwL2mAm44BdbRSReNWfCCD550WwI9fFSX428nCsgEbdQ6FqVVJllc5jsBy9AITKuCMyVxTcJrndKzHZsj3Du74w/9H3R/TQN5xVf8tloLqB8tCchysONNwn4Yc8Zk5fHF51e8DcC/woOXiMQN64IPNYDDJqBtPumwFkMwGY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707125976; c=relaxed/simple; bh=xIDctwqwnFoouPbumxcKvA7QckHnFJYT+ZVd0nPEP9k=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=g+Si84pqajLsCbMR+q2heveH5z+94uAG2c6VlY0Pk/taktDcWSyAzcC/8NS9LKi8dbak2qTmlhFGLsjYlNeHkPlIQvbu4JWkc9DZ9UmZ8NVfuAu4my7VXkoUIe/Y4770JbeQMoiOHoK6ifgQ+gi3toYR4CUBBqFK1MAY9nh+0m0= 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=GhItRGOy; arc=none smtp.client-ip=209.85.221.49 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="GhItRGOy" Received: by mail-wr1-f49.google.com with SMTP id ffacd0b85a97d-33b409fc4aeso280722f8f.1 for ; Mon, 05 Feb 2024 01:39:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707125973; x=1707730773; darn=vger.kernel.org; h=content-transfer-encoding:content-disposition:mime-version :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=A1lYBRZvANc8NTjqQCLcG5zRX1RODX3spfuiCcoB8eI=; b=GhItRGOyExqBKy3DN/IH9Uhy3oinVqnMMGSqi42X+dHLzTsF6OJSPgUMdk7JypnAJT dImS42NiUnmfncOeQTBjcuxg/gLsWqGG+GJNSpxifurU5UleI4HD0ZtisGjoev5HQaT2 mF8IS3d5cQo2a1UAccHnEpoElRhzwuYbLJnOGpmpiuOzOAV96/lau+XHNiKDDXiS3tUW +rASl0ETly2P5V4TkgRLUPmm29M45HXjPg65ac3xFODTuuZSiJzG0V7yuIvM4OyvYcFB vu01CVWImoDJUDU2VU0+I3bNvliGBy/wUss5AJ5ovujKvo22nW79IHlwd1YE8Gr2gaZh jpIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707125973; x=1707730773; h=content-transfer-encoding:content-disposition:mime-version :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=A1lYBRZvANc8NTjqQCLcG5zRX1RODX3spfuiCcoB8eI=; b=UcfnlNqIJVb9c7pvrubmodvnclNcdwKBnKZLqHCjjavCBRJ/olkeFw29dMluTIYci7 SRwWJYHCMkO4OVSZFU4OPUw0A52wGi9uBxegE/37hodtUNIumN3BRn5/ETrqnNR5UOd3 2cnXYFptU8LUdfGrwenwRFkLsciv9Xe52QuIrbMx6l1EaHsaSzPVdfW+w1zmWY6MYlbJ OGfgDKzIxti77BRRf5+bXBi+rOy+y8mk7OQwzsoFBWcn5GC1Uri4HcHTVDdmFO0zMkQA ZfcBz+mus/+hMJboFwdcPq6WBFW0m5hb7fe7L0eAhes6vnjK79rNT8PvPjZfncXU05kR C2/Q== X-Gm-Message-State: AOJu0YwvZM2JVkUxQ+csUm79E3EXj6khK16DqER8TfHaLREWaJcuzpfe qJl4I3Z+5KF4Jakpuf1w7UT3N+G8hQIY3HkvWxKOnlxlnQt6Fw0= X-Google-Smtp-Source: AGHT+IFTZ5p7rDUnnhxJS36icrFXI+WKlAizxd15mRSLC2/ZqQ4W1YJTgh27QM6XoVCeQTQwwYnljw== X-Received: by 2002:a5d:4a0c:0:b0:33b:17e3:60d9 with SMTP id m12-20020a5d4a0c000000b0033b17e360d9mr5489751wrq.1.1707125973150; Mon, 05 Feb 2024 01:39:33 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCUnegPd6GboLd7sc0JhbFf6NfPRhbY9zrp7y41biV0O1FhgMnLyc4k9Aba66QPXFxic2L1vQjqLLmxDIC+rJg9qvDuY4aF1znNs Received: from p183 ([46.53.250.163]) by smtp.gmail.com with ESMTPSA id q16-20020adfcd90000000b0033afc875fd5sm7600537wrj.49.2024.02.05.01.39.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 01:39:32 -0800 (PST) Date: Mon, 5 Feb 2024 12:39:30 +0300 From: Alexey Dobriyan To: peterz@infradead.org, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] smp: make __smp_processor_id() 0-argument macro Message-ID: <0037d1f2-8153-4b33-b43e-f4b6ecd710ac@p183> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable smp_processor_id family of macros never accepted any arguments. #define __smp_processor_id(x) works by accident (see C99 6.10.3 =C2=A74). __smp_processor_id() gets 1 (empty) argument and passes it down to raw_smp_processor_id() which doesn't accept arguments. Signed-off-by: Alexey Dobriyan --- include/linux/smp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -261,7 +261,7 @@ static inline int get_boot_cpu_id(void) * regular asm read for the stable. */ #ifndef __smp_processor_id -#define __smp_processor_id(x) raw_smp_processor_id(x) +#define __smp_processor_id() raw_smp_processor_id() #endif =20 #ifdef CONFIG_DEBUG_PREEMPT