From patchwork Fri Oct 15 04:10:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1541342 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=EThQgfXV; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HVv39350Yz9ssD for ; Fri, 15 Oct 2021 15:50:27 +1100 (AEDT) Received: from localhost ([::1]:36430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbFAm-0000Ib-4K for incoming@patchwork.ozlabs.org; Fri, 15 Oct 2021 00:50:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39754) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbEcJ-00070N-Nj for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:14:49 -0400 Received: from mail-pj1-x102a.google.com ([2607:f8b0:4864:20::102a]:34744) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mbEcH-0002yj-6s for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:14:47 -0400 Received: by mail-pj1-x102a.google.com with SMTP id q2-20020a17090a2e0200b001a0fd4efd49so2155715pjd.1 for ; Thu, 14 Oct 2021 21:14:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9im4CvhbPoyQ1RG+uvEuwMG0n0qsYjZQphEGRSBJSzY=; b=EThQgfXVM3+gTYBP9riZDdoy7+261/jK33Yl47MmSU3iZ5wuNAQhHQ1LyE8ousV8iH 1AjrG+9rCqBtcryjB1w0B3O6wHWejaW2rlvS0pKjP8jr/WtTvMkugxPr3sADthjBjCls B4ylcrg9BnnlXZyZyvOQ4ZuWnlsZD866jOv1Y0T4cIjsvQqpTfDpz1WlDaN6GO1QKQTl uG+4Xh+32n+YeUZzBDfzEruvVQrqnrnCVEgay2gso4Udk86qLTQCkQj3yvbx1W5MoLbX +3ru5fDt7DSamH5Dv/fbh3xeIkL1nGYBROkdt0DdZULC1rI4TjQ67w5USrW/awd7kEHA iTsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9im4CvhbPoyQ1RG+uvEuwMG0n0qsYjZQphEGRSBJSzY=; b=JTPMjfef1fVec1BRQ+Ts+J3knvehYXY6rgpYnY1V6n47PgLlKmV5gh7ArkyaUH+E5V jqUnXv643pNih2ywG8YNmfRcovP5DcLUaPAAtU9S8dOREzLcSLPj4jZrUY4hnEqPVLzK 87XfDUwpbu185/3Yu+u5N66ERSYYtffZpLBsQ6b+k9zL9qWqH0Jn0fy7LMIRJdO5iayu be78/E/FhxBhHbQquoT4jj3egUnXAe5ryc2E1YA26r/yLTNTzp2RLiIg6S0arVZFyuVV AwcQH9uiu1N4b7lEhnpSEccaD/oNM3tzK1rHluUpKQnPe/jb2eqJbosWA0X4V+IrOa/2 lLUQ== X-Gm-Message-State: AOAM531lmD+tS54dJsEk7mmuNbydDx1TuIZyfF6YietG7oNCIMUXM/FX peWzqG7Ns3LiOkf43VTjCpbcPM1DWTrnog== X-Google-Smtp-Source: ABdhPJxsxOFbWni+7leUobr/WdP9cvIIZATWUyzaX2hApjBgtAqbVRRhN/L5AJC2xRFa2ep7PzHHoA== X-Received: by 2002:a17:90a:1507:: with SMTP id l7mr10750149pja.141.1634271282818; Thu, 14 Oct 2021 21:14:42 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id q8sm10236885pja.52.2021.10.14.21.14.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 21:14:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 61/67] linux-user: Handle BUS_ADRALN in host_signal_handler Date: Thu, 14 Oct 2021 21:10:47 -0700 Message-Id: <20211015041053.2769193-62-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211015041053.2769193-1-richard.henderson@linaro.org> References: <20211015041053.2769193-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, laurent@vivier.eu, imp@bsdimp.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Handle BUS_ADRALN via cpu_loop_exit_sigbus, but allow other SIGBUS si_codes to continue into the host-to-guest signal coversion code. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- linux-user/signal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/signal.c b/linux-user/signal.c index df2c8678d0..81c45bfce9 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -860,6 +860,9 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) cpu_loop_exit_sigsegv(cpu, guest_addr, access_type, maperr, pc); } else { sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); + if (info->si_code == BUS_ADRALN) { + cpu_loop_exit_sigbus(cpu, guest_addr, access_type, pc); + } } sync_sig = true;