From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 8A25939BFE6 for ; Wed, 8 Apr 2026 08:09:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775635746; cv=none; b=SSZJ8Vk1ZDDG98p5xIo8Bo3yvSZ28RvwaPIF37yCVbXE9J57nFwhfboIhROn1hvrseNpc32zil0cZ6o+MbOmyHqMewTSlA3InZvdSAKpMxD2oz/ZTCANlO83bNCZKtHGCv6ImpcYMDB3uMU+kfNRAdGWV/8eBA4ozKP0VGgo0uw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775635746; c=relaxed/simple; bh=mLt2C0s2KyAsNwVLTTv7BbRoRfLCKUrwFZgp0QRxVEE=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=i2knntKkg2IBI/obUE2Dupz61kaAsRLH364DAKH4W0+orhaECQbK9MCQXXcXhiMTeGYEljiSQv/7hQ7Wio8QHNRs/Zuj39hBHk/THfaPgVxac5tSczTxNh8MtdbgXg5q1kEuqsXJ6kc+bYB3dfde31bdTP5FwrZnTowrhRC7oR4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ae8CUc5g; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ae8CUc5g" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1775635743; h=from:from:reply-to:subject:subject: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=zeEBLfMWwRXn7LjfjGZoPqN0AzwNh8KR8qE3RA3PjVM=; b=ae8CUc5gdcpd06yTfN3jSEnfeqpK6/Yjk+Iw5bieVeUM7a5qCdB2QLeumXcsKRaDA7Q3Rn N6kVMFzdqEgVUTRgtpHs+VRI16iKITSOUwTwXeVyKL7wGxGbBUkbbMLcmsqHqYGcNXfCwt P44406PSXsoe7o4kpkQBqJIVKnRUCgE= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-398-dSMkaXfsNCe2IJmji36-Dw-1; Wed, 08 Apr 2026 04:08:59 -0400 X-MC-Unique: dSMkaXfsNCe2IJmji36-Dw-1 X-Mimecast-MFC-AGG-ID: dSMkaXfsNCe2IJmji36-Dw_1775635738 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8574E1956056; Wed, 8 Apr 2026 08:08:57 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.44.32.94]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E11FE1800768; Wed, 8 Apr 2026 08:08:53 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20260406170001.2-rxrpc-proc-v2-pengpeng@iscas.ac.cn> References: <20260406170001.2-rxrpc-proc-v2-pengpeng@iscas.ac.cn> <20260404190004.4-rxrpc-proc-pengpeng@iscas.ac.cn> To: Pengpeng Hou Cc: dhowells@redhat.com, Marc Dionne , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-afs@lists.infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] rxrpc/proc: size address buffers for %pISpc output Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2207315.1775635732.1@warthog.procyon.org.uk> Date: Wed, 08 Apr 2026 09:08:52 +0100 Message-ID: <2207316.1775635732@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Pengpeng Hou wrote: > - char lbuff[50], rbuff[50]; > + char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE]; This might be saved upstream by the compiler padding the buffers out to sizeof(long) because they're on the stack. David