From patchwork Wed Oct 13 02:45:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 515710 Delivered-To: patch@linaro.org Received: by 2002:ac0:b5cc:0:0:0:0:0 with SMTP id x12csp6096113ime; Tue, 12 Oct 2021 20:16:17 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwBtvxQc/5kP8uJtJlTN8TnRaH6IXxdut5WgUbJ59dRnUFSquUDSaxt6yLR7ofhZLop/U03 X-Received: by 2002:a25:c6c9:: with SMTP id k192mr35412227ybf.409.1634094977689; Tue, 12 Oct 2021 20:16:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634094977; cv=none; d=google.com; s=arc-20160816; b=wIuA/NTFxoczGDrgVPDz9YXn5/xZI+evqpVSySlr2K6aTi0nVPK8t7PVsO+gcUc6cv VizwLO8cibBO2gqo2PTM0V/rcV0DF5Y4ZqTt/vA4mVWzb8/eRpKVehDfwKKndzEM+JbG NTod/Z2XHEBYi0+NFVOIIMAJz9lAHG5RmHSTcyQxtUKuZXFyqQMPF2pXSpvsWrWje030 Wtl7aYm5waPfj6coBtzJuH5GQGNSkixeFQ04viMVo4aDFU6XqkABBTtU2Orv7AsOnlRz YWNM3JFUDTeJ4d/kxzh+4PxfsSxMRWYsmnpP9KR8YL4Ijx4pzf1NESaE3RIQU/zYvSdo ijTg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=9im4CvhbPoyQ1RG+uvEuwMG0n0qsYjZQphEGRSBJSzY=; b=IFNz1lyXdqCB5SZEpAfFUKCId9v/V9VSiShBLMtMTe0RLwe9XSnU3h+2EdJqk+Si/G Co5c1hlGfnoYMRQLCobuxEiJjXIoKONo6JEU3o8oPMJsFwVWpKDuwZoSHzovx+FxX9CM yjDf/dYQNCfrXM7UM+c/uCrrX8YBNrW0zN94i+SQRoFOcZi0UkhaQ+f/z/le4KueoNMW zKljw15wrS1nnPx6WnqvES46j827u/4IVCufmycAArdtc+xdh/MhY3RAoclTdEVIpqwK yWDezDAe5+YH6GcXbRVkaesSedy0clS1tEIShSDNvNDfR+AynrQ9dcFgW8bFiV3llfOD LLXg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Nx5ci9Pb; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id d8si15199694ybd.209.2021.10.12.20.16.17 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Oct 2021 20:16:17 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Nx5ci9Pb; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:41768 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1maUka-0004UK-5k for patch@linaro.org; Tue, 12 Oct 2021 23:16:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57478) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1maUL2-0005LB-51 for qemu-devel@nongnu.org; Tue, 12 Oct 2021 22:49:52 -0400 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]:44016) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1maUL0-000161-Iq for qemu-devel@nongnu.org; Tue, 12 Oct 2021 22:49:51 -0400 Received: by mail-pf1-x435.google.com with SMTP id 187so1140468pfc.10 for ; Tue, 12 Oct 2021 19:49:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=9im4CvhbPoyQ1RG+uvEuwMG0n0qsYjZQphEGRSBJSzY=; b=Nx5ci9PbicFL0qor4aKJNc3NX7N5nvKZVF2VScZyZ05bCR5MyiqVj7YZ67qAovzJ0q xgI4cT6fCc2k+qeaxQCNgXHM4Q48tUd5auycnsXhV82MvS2Aok39YhU4laY9TOoL3zpi glti19rh198uVxZ9/+s75dM4U8P/Vd12l1hX7bbu8UmbC51bTl78eX4PzUPJv21Hdr2A 3kqyK/hYdIWImGy47vSLLVq4NhCRHLTK8RDvDGyIsEpFbQMjmtUXi4uYeiqKs2elljTt sPnb4Oq1dsX7fj51axD4qvv9ON/8wo6M7NelfnwTiNp1xLpLgxDxLdXTsxSvnq/ZbGG4 my1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9im4CvhbPoyQ1RG+uvEuwMG0n0qsYjZQphEGRSBJSzY=; b=a+f4TbzLIenbc6ZIc19Igr1zdFvUapx3MJpEPrnUR/GBgc8M8GPyDH5m2oNgKMK3uf pmyyoZaA+u68qEHj3RYrTZPj7ZZ4Inu6d2Qu1GBz3bdPid6unTqNla7HfMUk4Up6AQhQ gRP/5mTBKeW+bHUUdyjZfuNxySvlYLSVMaQZhRXpOFrlFHMtXMmrE74XvGXxBKBClrZq I8TAOsLHMHQhcY58DiqH51zb3UmYOdqhPDX9hxusqiLR3c5Lkf27B97IPBzMLRffhKBc TlctceBhe7QLD0nR1TT31ijWpJsyqbDjxsAPXZxVIiy0d9us82dbqUdYsxcjIo32B2Hx auig== X-Gm-Message-State: AOAM530UaDEaYH8JsdQM2n0m2zReQEz1DFWRy7ejkKM6zm30m3dNX9aW lEbHNXPV1hd3ljoqpK9B7BCkNnkpmI8= X-Received: by 2002:a62:3287:0:b0:439:bfec:8374 with SMTP id y129-20020a623287000000b00439bfec8374mr34885636pfy.15.1634093389017; Tue, 12 Oct 2021 19:49:49 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id y20sm12579610pfp.68.2021.10.12.19.49.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Oct 2021 19:49:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 40/48] linux-user/signal: Handle BUS_ADRALN in host_signal_handler Date: Tue, 12 Oct 2021 19:45:59 -0700 Message-Id: <20211013024607.731881-41-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211013024607.731881-1-richard.henderson@linaro.org> References: <20211013024607.731881-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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: , Errors-To: qemu-devel-bounces+patch=linaro.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 --- linux-user/signal.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.25.1 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;