From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (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 5428A7347E for ; Thu, 27 Jun 2024 08:10:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719475837; cv=none; b=UMpCEaXml9lchRkQCU8qGoUE25YKclxmw7+aevZvBJUjNLlpebSZdDuB1uY48hWrsrfLFugYD+XepOCY+7jIKT9lTnjU3Z3DmM26BHg2L+cQ8ac/1Y/+QsHZr6XQobcJwQLkTDTiRtiAnd6WLqSDCMLILmBrZmeujvqOFCsrqLQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719475837; c=relaxed/simple; bh=MNdIV2qk3sEG1FDAhhdiDJnZ7AgICbuvXyhVW1pcZYo=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=eyv5sXBg9LQ8Pjr8NO7EDlI4RYh5jzjOUcREBMdqpH3iz7vTuHy/SuPo8YP19Tp3hxai3+cQwsqVnWlnyAuplFsVWePcsC+/ZggSOjR/3eR5F7TfbvEjA0e8+GoSkSKAq9QEbNvrvtvlLgwt6x1ustndORLDMC06iqDebnxGwnA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=T5e3TRNw; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=UWJzLCu0; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=SJsXO90Z; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=IF6HcUwx; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="T5e3TRNw"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="UWJzLCu0"; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="SJsXO90Z"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="IF6HcUwx" Received: from hawking.nue2.suse.org (unknown [10.168.4.11]) by smtp-out1.suse.de (Postfix) with ESMTP id 56D9E21B62; Thu, 27 Jun 2024 08:10:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1719475833; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=O/6bKq4Llc5fVguWZOvySL2EpXqSm5wW1VCRN/H060g=; b=T5e3TRNw5488vzhgVQe8aAo7J4NB8KWUWaZHJo4LGBaTy3ne3FrCpWvGjq2cQtK8i+Alad 55EJ5ZMN5w5aHbGtTpj8zg3TIlwtbpolQdk6xiGX48ShQeaKdybr8j6qG2jGvpzdl7DUkr B+supgOhi4HSt8HZixhtdd2kaxs0/4o= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1719475833; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=O/6bKq4Llc5fVguWZOvySL2EpXqSm5wW1VCRN/H060g=; b=UWJzLCu0nbusV2XQPoU19fjHKw/YjolxGL0/UPRAYbBXsbvUYAuPYNrSFExHdQGDx668zT 4HCL2tIeIBsiDtAQ== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1719475831; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=O/6bKq4Llc5fVguWZOvySL2EpXqSm5wW1VCRN/H060g=; b=SJsXO90ZTmZNvd4HrKg1Fo0TWZe72U5/Y04jsZ9hbmds6RxuY7Uu98Z1BGKo82Mivv0D+j vA4qXWao6T3R2ceo0XB3EfYlWQIbD7YZWSBVKBYQhiMGo1aw2G+XGY9NwhSl5Dw88qAK+U t/z53QSdbqtkEce5d5cPR7ixccuJjqg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1719475831; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=O/6bKq4Llc5fVguWZOvySL2EpXqSm5wW1VCRN/H060g=; b=IF6HcUwx4qYltG85wA4ByX/ubyFpy9+iwe1K0Zqp5nzBAimsG8e5GwY3L1LwDBOGSu5zYv /rwX5I07a6KRs3CA== Received: by hawking.nue2.suse.org (Postfix, from userid 17005) id 476F94A050D; Thu, 27 Jun 2024 10:10:31 +0200 (CEST) From: Andreas Schwab To: Celeste Liu Cc: "Dmitry V. Levin" , Palmer Dabbelt , Paul Walmsley , Albert Ou , Guo Ren , =?utf-8?B?Qmo=?= =?utf-8?B?w7ZybiBUw7ZwZWw=?= , Conor Dooley , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, David Laight , Felix Yan , Ruizhe Pan , Shiqi Zhang , Emil Renner Berthing , "Ivan A. Melnikov" Subject: Re: [PATCH v5] riscv: entry: set a0 = -ENOSYS only when syscall != -1 In-Reply-To: <9c102328-6bb3-46b6-bc2f-d011a284d5b0@gmail.com> (Celeste Liu's message of "Thu, 27 Jun 2024 15:47:47 +0800") References: <20230801141607.435192-1-CoelacanthusHex@gmail.com> <20240627071422.GA2626@altlinux.org> <9c102328-6bb3-46b6-bc2f-d011a284d5b0@gmail.com> X-Yow: Your CHEEKS sit like twin NECTARINES above a MOUTH that knows no BOUNDS -- Date: Thu, 27 Jun 2024 10:10:31 +0200 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Spamd-Result: default: False [-4.20 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_NO_TLS_LAST(0.10)[]; FREEMAIL_TO(0.00)[gmail.com]; ARC_NA(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; RCPT_COUNT_TWELVE(0.00)[16]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; SUBJECT_HAS_EXCLAIM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[strace.io,rivosinc.com,sifive.com,eecs.berkeley.edu,kernel.org,microchip.com,lists.infradead.org,vger.kernel.org,ACULAB.COM,archlinux.org,gmail.com,isrc.iscas.ac.cn,canonical.com,altlinux.org]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[hawking.nue2.suse.org:helo,suse.de:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Score: -4.20 X-Spam-Level: On Jun 27 2024, Celeste Liu wrote: > suggestion and we found cast long to ulong is implementation-defined > behavior in C There is nothing implementaton-defined in a long to ulong conversion. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."