From patchwork Tue Nov 2 11:07:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 516631 Delivered-To: patch@linaro.org Received: by 2002:ad5:5208:0:0:0:0:0 with SMTP id p8csp4399809iml; Tue, 2 Nov 2021 04:16:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzJMfZrLZne0ImwpVn4ybGx2TKRO7r/Ojq6CpCV4Ym1ygyvvuZQ+/t4eRlOtKg6m63ffR3L X-Received: by 2002:a9d:220c:: with SMTP id o12mr26433968ota.250.1635851779196; Tue, 02 Nov 2021 04:16:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635851779; cv=none; d=google.com; s=arc-20160816; b=XNvy6gYjhUZ/RtsfJ/7AJqtQbHz5TWGRumO3Ds8Rj6anVlOfOFhrJMxEu5I3lz9wGb wPi4pZ3qeEbOTIU6DYOMnx0byeBD813a6EonJ42GDqVgk0EzV8BIL9kIOCHJm2lwqruD ryptmHKROt6ewuGxPL8Ubs3SGGpKAT/FWgQmig8aw94OhiSESiq9uOf5w67XS33rdkeE rEgpcpAjfw13mAKL2t1xY0NZYWsCHaHtLxdu3slBqT37NONqZ6Lfn9NUKLHbUl2g9o05 zzrWc8g6bXqYcwqfzMcJtVQc/05emmOVEp9nwfk0MbcLYKBSsilnY33SpaprNzaeFNio aPGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc: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=fofFGJJJzbXM7L3Ibz3JhPAmpo8LElJ1YWB6iIwHWsU=; b=ruYjPoY1S6JfoKcRMij7ujPkBD7P4zOu7AW3zTYtye1kg8VOHr2m9oCQi/LLMGljeI AwHdfGvNuqWgkwoy3EqzEE6MifUpkxeRnUu2bP265WwtjrUF3RPcDlGgAnYVXq6PJQwj Y+kO1sqEP64uYoVlGRMpIT5xMEetNN3F5HwC2DifufF6SmaWi8NVD85xLcOf1HJC81eg Hqxo9goV1SmMTMB077wV+vtKUkBn4NdNtcIVhHyAu4NEj6AvrpZs1FrRVM6bEDkb9cTd Iru+ttu3MdTPxdTPkpf0GANFVsaXgj3u2ek7NWSI/tEahu1ybmc0hpa81Wdo4mrJAHfz gsXQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b="T1aQLka/"; 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=fail (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 a7si4402223oiw.6.2021.11.02.04.16.19 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 02 Nov 2021 04:16:19 -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=fail header.i=@linaro.org header.s=google header.b="T1aQLka/"; 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=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:35394 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mhrm6-0007kA-JS for patch@linaro.org; Tue, 02 Nov 2021 07:16:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43440) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mhreE-0003pB-HC for qemu-devel@nongnu.org; Tue, 02 Nov 2021 07:08:10 -0400 Received: from mail-qt1-x836.google.com ([2607:f8b0:4864:20::836]:36414) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mhrdz-0000v6-Hz for qemu-devel@nongnu.org; Tue, 02 Nov 2021 07:07:59 -0400 Received: by mail-qt1-x836.google.com with SMTP id h14so17662662qtb.3 for ; Tue, 02 Nov 2021 04:07:54 -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=fofFGJJJzbXM7L3Ibz3JhPAmpo8LElJ1YWB6iIwHWsU=; b=T1aQLka/Z4qsgfQcDhmJWZA+a8r2wa48hUR3iOXD0iCkVcKOk5xMMcqP4nYC+rRBV+ sLTYZgv//gkfwYndZ07hqTdlxt5Q/75C+R3HUzhy4L2zFVx3bKWkTVU5liJVYp7EhAo3 d4rkf5gv0DTL3QnBymRCyYbjsDs4TtmFYf9Q8uHSCGovNHx5OjTXNfCW0K40gsDmtkXd lD8qYkOwRalBxJsA9W7JFcP0v7AAZGqDkO+ukULfnrezPJEwgJDs0gh+yNX1bvjkNIKH WZhuYwzEtNqchTM9p0HYHK/ySBU6W/cKD6QSVCyUthHuHaGdU0CmlOxeBuunkvRWpj7L Tbwg== 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=fofFGJJJzbXM7L3Ibz3JhPAmpo8LElJ1YWB6iIwHWsU=; b=oivBjY/GHLFcMDPP++5XG2SyF0bYOpVHs5CuZ6PQgNH/bSRruC3n+QjqlXqqRJoPET teqAaKkqMNCLZnu95BhlqiKc9W7vxmHUBD1huMaju/gFGXJFw2DAJmJbq+5D6X+pe4Ye ++f/V0rr0c1eHhlVEC1x8XGHWtcloBSYHs1Ha6cuakjJICkzhY5BcTo28MHxtKmWQEoJ 1CocHsWZixTxtfyGL26vvqoa+yQhDi+ROUE5wqyY2/rzgjCK+VLqBmGMnwEZOcsqEEmJ y2QMXseZ3/YaQzYaQeUU6+gy30KpuFJXFSEOZ7uH8SntEguo5cEm9cyoWZNzlP+CClpr Uulw== X-Gm-Message-State: AOAM531XGbk3SrucDgDtCOncngQQ9Ucxvpndk0XdNVJAnPlcj3SsjeC/ QMS8LaoA42Rsh27wMGKs0DOM+D33/4onMw== X-Received: by 2002:ac8:7d92:: with SMTP id c18mr7686746qtd.324.1635851274479; Tue, 02 Nov 2021 04:07:54 -0700 (PDT) Received: from localhost.localdomain (rrcs-172-254-253-57.nyc.biz.rr.com. [172.254.253.57]) by smtp.gmail.com with ESMTPSA id bm7sm3568612qkb.86.2021.11.02.04.07.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Nov 2021 04:07:54 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 22/60] target/arm: Use cpu_loop_exit_sigsegv for mte tag lookup Date: Tue, 2 Nov 2021 07:07:02 -0400 Message-Id: <20211102110740.215699-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211102110740.215699-1-richard.henderson@linaro.org> References: <20211102110740.215699-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::836; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x836.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Warner Losh Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Use the new os interface for raising the exception, rather than calling arm_cpu_tlb_fill directly. Reviewed-by: Warner Losh Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/arm/mte_helper.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) -- 2.25.1 diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c index 724175210b..e09b7e46a2 100644 --- a/target/arm/mte_helper.c +++ b/target/arm/mte_helper.c @@ -84,10 +84,8 @@ static uint8_t *allocation_tag_mem(CPUARMState *env, int ptr_mmu_idx, uintptr_t index; if (!(flags & (ptr_access == MMU_DATA_STORE ? PAGE_WRITE_ORG : PAGE_READ))) { - /* SIGSEGV */ - arm_cpu_tlb_fill(env_cpu(env), ptr, ptr_size, ptr_access, - ptr_mmu_idx, false, ra); - g_assert_not_reached(); + cpu_loop_exit_sigsegv(env_cpu(env), ptr, ptr_access, + !(flags & PAGE_VALID), ra); } /* Require both MAP_ANON and PROT_MTE for the page. */