Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp506488ybi; Wed, 3 Jul 2019 00:08:58 -0700 (PDT) X-Google-Smtp-Source: APXvYqwQvqIf6xbsegoV3uVeVdIp0DEvnj8IQvvondv7amq5ZBmnDNqwnz2DvrvE/b/4vEBfo5jg X-Received: by 2002:a17:902:4283:: with SMTP id h3mr6810346pld.15.1562137738152; Wed, 03 Jul 2019 00:08:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562137738; cv=none; d=google.com; s=arc-20160816; b=Ap4GanQHGkF0rDx6W9FauxJzmuNXwtI3V8oEwGUb0rY6hibk+SKd74UtnMVlSzWu5q A+5EyJd0W0IR6uFq+SdhwdOEFZgsq+7Q3t/7Wzl9RY2STcAk4Ij298UIA2hUsOgqaESA a1JuA87M5m3PNLksSRT6To+tO3EJfgqWTGbA+0JykLRui4zAgsdZ1xzr9Ehyn2tERYqy w4McDRXGnWooSCXmNmS1tJK26vjSc25je260Tf3Zxh8jR2tmwx+cMCPU5tQgvcJc2k/f iAwJAlyBey2mcquzKv3S5bpC9a/YeeZkS2NJbXpoVw7xuQtCZR9PfcI2vfYROd0EaapC GLCw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:message-id :in-reply-to:date:references:subject:cc:to:from; bh=Mnt09Gj4IW2rbzV+mDpOq1e7SNoUXDi1ucnHginOKlk=; b=tzcxOIsc9ZwbfUTCBMR30yaLDACAVtJ3dn3wGGZwlcDyTTpgw2F2QpHGDR2gGRVjvi SD0rUaHYK6Opx5Go6tHupWHpXGDAtNoWgtmHcXEf+eg3jyEVNIozOnwD6dKN50MWH7hr tn5ZBvNFoECF+k+kv9PuF9fv6GWeCcJi1EPYA+uDQjp4E45fzTBOaZnt1jxfUGC614HT hHQfG/FR44syXGZafw3fMlvP5EK0Pei+YaHLnf0uz3vIDQ0z9Z4nf5y0MnmPzeguXMyH SFmU3xaubljmluIVy40Fvkqs+r6GDCxmi8BIks7Wu3OgKCrd1mVm2rMNdPOxLpBH9MFK tvrw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q5si1441299pll.279.2019.07.03.00.08.40; Wed, 03 Jul 2019 00:08:58 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727134AbfGCHIT (ORCPT + 99 others); Wed, 3 Jul 2019 03:08:19 -0400 Received: from mx2.suse.de ([195.135.220.15]:45434 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726670AbfGCHIT (ORCPT ); Wed, 3 Jul 2019 03:08:19 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 9D3A6B12A; Wed, 3 Jul 2019 07:08:17 +0000 (UTC) From: Andreas Schwab To: Alistair Francis Cc: linux-riscv@lists.infradead.org, arnd@arndb.de, linux-kernel@vger.kernel.org, alistair23@gmail.com Subject: Re: [PATCH RESEND 0/2] RISC-V: Handle the siginfo_t offset problem References: <20190703005202.7578-1-alistair.francis@wdc.com> X-Yow: Disco oil bussing will create a throbbing naugahide pipeline running straight to the tropics from the rug producing regions and devalue the dollar! Date: Wed, 03 Jul 2019 09:08:17 +0200 In-Reply-To: <20190703005202.7578-1-alistair.francis@wdc.com> (Alistair Francis's message of "Tue, 2 Jul 2019 17:52:00 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Jul 02 2019, Alistair Francis wrote: > In the RISC-V 32-bit glibc port [1] the siginfo_t struct in the kernel > doesn't line up with the struct in glibc. In glibc world the _sifields > union is 8 byte alligned (although I can't figure out why) Try ptype/o in gdb. Andreas. -- 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."