From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f181.google.com (mail-yb1-f181.google.com [209.85.219.181]) (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 DAD03283FEA for ; Wed, 24 Sep 2025 17:44:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758735889; cv=none; b=idoGPQejjOU9XtB85fOR0g1IFSGLDL11Kvm4frGX71KfsU5feWK//h8295VhenHbv0/sxWQ4mCbnwRdDetofO1oGUsN0PR5RCm3zQf7YDvTM0M8YsPj7OfkEQLQhgoGnn8OWpHUXBzfhvT3PsDs4RXdgoKJ7w8OQ5G/NCQmONIg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758735889; c=relaxed/simple; bh=D4Ya3+itFal4L85Mk0yPynskH8Iivm+SbB2aLq2/F1w=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=MDWK6CHU/ftqSAppyjsHDTbrLs3Q1LonGpMGdrCUGPFBE+afwELYagM4LeqB656LY//B20LfJ+7FTvVnXBaGg4Fmns+BXZUetvaQDJZJSfDIrIaq/4QREDK2gOzA8FChXJoPoTkD5hHRFhtV15oyznMJehBrQuuMh/8R00XGgw0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=chrisli.org; spf=pass smtp.mailfrom=chrisli.org; arc=none smtp.client-ip=209.85.219.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=chrisli.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chrisli.org Received: by mail-yb1-f181.google.com with SMTP id 3f1490d57ef6-e96e1c82b01so88950276.1 for ; Wed, 24 Sep 2025 10:44:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758735887; x=1759340687; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=D4Ya3+itFal4L85Mk0yPynskH8Iivm+SbB2aLq2/F1w=; b=fkp/HjnUbnx8/5WLyg7BmzGws4G1H/JaIw64RZjSu7egKCKRRCUMUQWDgLR10G8III bep8EwsA5pwAMDOz2q72MFqdJ1MoZCk8Gceg1Z4PiOBzuFgUvbOnq96D27xIbM1kWa8L cQdCweJSCUNR1H3M7YoEp31EJu67NwMok6d73vmfDnmhxvLjDh/kv6R3ziYj92D49z5N FnDNyGZSsJpB+Afu7nKq8dMkvoABJFmF5A8H3Qs3LDLNQ4YrvSTRgI4o5FtYfi1hnXju b9AqlWEzHz/5XI1UkpTEfsvVMjMMDDaKIIlqjAJNh4LMbu0APIVdBqrQt71wcyI8bs6p Lg1w== X-Forwarded-Encrypted: i=1; AJvYcCXutlVpD6SEe6gwwXzpHjoxJmfuNg2h8m2UwXZoKCSuTf0g/mPA0j0ctxPonjSv0d5ssHTJ0nI3IwgEN3Y=@vger.kernel.org X-Gm-Message-State: AOJu0YwLMB6dziEt+JSycW+c62lQtR/Kt4DyWLGqoT6v89kkaIQ5A57v ZhyWAKMWwpkmL0f2j8idjubprz9OmeEKWWzcAHx4zRRl7CNmNH8wsr1Z5i+VTteo7qiu3gpHHe5 hMfwjovJmaETNc0WChvnF+OaQcmakr+Q/YWU52ALilDRuzit3AoT6Tj8= X-Gm-Gg: ASbGncuCH8l43NPwiuqO7YS66SsjVrw4x62YkkX8wgYdBpAjn1soQjDvkstXu2JdPwY mvQTv//dSFUmB09CQj6t64deOrq8peUDRbYjkEZkfaAeByoZ9fRD/NhRayNtDKCvrYo6uvbIKbQ 9CbfJKxLFwmbqiY0wKIq26manH4xqywAPGQeBeu611kO4YcPuNaAA5MjunvXdY5FvgwfxNt1+// zfE1q98lH5BnjTuz410d3nTiQ5iI7cvnY0ovA== X-Google-Smtp-Source: AGHT+IG16UqrHQtSne01YysiFRYe8Zz1ZOvZwYjUGAKluzLBKeasB7SrgDW7UN+MdXOE3sGlQ1iX6TN3hB554ug3xrs= X-Received: by 2002:a05:6902:4088:b0:ea3:cafc:3e0 with SMTP id 3f1490d57ef6-eb37fc9b9b4mr744312276.29.1758735886665; Wed, 24 Sep 2025 10:44:46 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-sparse@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20250921061337.3047616-1-mailhol@kernel.org> In-Reply-To: From: Chris Li Date: Wed, 24 Sep 2025 10:44:35 -0700 X-Gm-Features: AS18NWBbGnMp0rs2HVrwyCxjHqUtYOhhtGsE5souyWUfdNouIaSez8QdT2_ZfHM Message-ID: Subject: Re: [PATCH] Warn about "unsigned value that used to be signed against zero" To: Vincent Mailhol Cc: Linus Torvalds , linux-sparse@vger.kernel.org, Luc Van Oostenryck , Steven Rostedt Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Sep 24, 2025 at 1:54=E2=80=AFAM Vincent Mailhol wrote: > > > I think that there is a small confusion here. That line is already in the= patch > inside simplify_unsigned_zero_compare(). I think that Linus was just expl= aining > why he added it in the original patch. Ah, sorry for my confusion and thanks for the clarification. It is all good then. Chris