From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6CBAC433F5 for ; Sat, 18 Sep 2021 19:07:14 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8769D611C8 for ; Sat, 18 Sep 2021 19:07:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8769D611C8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:34496 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRfg9-0008Ve-Hd for qemu-devel@archiver.kernel.org; Sat, 18 Sep 2021 15:07:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54328) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRfLQ-00057r-MY for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:45:53 -0400 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]:41768) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRfLN-0006qi-K6 for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:45:47 -0400 Received: by mail-pj1-x102d.google.com with SMTP id m21-20020a17090a859500b00197688449c4so9813119pjn.0 for ; Sat, 18 Sep 2021 11:45:44 -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=mkpDyQi3PMKrFdlMQCQLbDcKXDWO1ARW+CoOrVOZKpc=; b=C08oYr/sxbSpb6AQYxQFXBxty12fy9N81y/zC20rgTXkfzyDq6pluJnlOC4zwqp4+t BRxoJEsIezBPfIJewy5xd7cBRuI3Z+4r69YyFCmTZnniMC18f0T1zGQ0UF0piFaXRGXg sJR1VPKBrqGaH5OKnLXZ0N4wS4Ox3shTDn8CDzjz94Ple3dr0hPKH0+GG8tWvtR/+Q6B NH1ZgKGKRIWyw4w44dAV+fJgv0kD5+e+P827s0iGefr6mly+tQSEZQVP4dD7AP8JjvbK qaG0d9+vK1CnEEiO5SD0svIe22YnlgH+Z6dXocl8jPJQsVxw0u2lQkuWwyOFWW08i1nq BwWg== 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=mkpDyQi3PMKrFdlMQCQLbDcKXDWO1ARW+CoOrVOZKpc=; b=EBOk6dH244ygYcaUQTiclqCU5RmIvoUV7ppVLWUl0mp4vStNwFOI2oeV39T0hqq7b/ oiOrA/1LUU/50yjABYrJEnwgpBwDRB/Waj8UZIuVbuXHw/L6MSmYcSwct7DIO00JYm0s kP5btGS8k9pWKkUOVRTLzl2OuiwI531e5wCOSqjF7sClvdorppq3htiInyf9KgeX4Tx3 cmuN3s2BIViWlky4Vq2Lik5HjfIIXb1BCGUduChi6YQHmHQvNg476kcqlkA3BCZGGZhv DZIB8Mh5aF3+HI6nW0vM57U4jd2aNpCmJWggENxgnRBw4rw7kl4gSaAf3O6GcCcIgi5S OmPw== X-Gm-Message-State: AOAM531SSGPxJfQc7QT+simDFxbfhocarFmAO0KV6Z3Qp0XcDItmsszU s2NjuIOfAdNv1YN00NfQ7CMApwFDln428A== X-Google-Smtp-Source: ABdhPJyR1tUmb/YNeif2lH7LrhODtn/XgtaooKxnuMrP0I/McwBiJ6URAVIBtAFMeYzrw1Kr2/5opg== X-Received: by 2002:a17:90a:191a:: with SMTP id 26mr19997917pjg.79.1631990743992; Sat, 18 Sep 2021 11:45:43 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id y26sm9555858pfe.69.2021.09.18.11.45.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Sep 2021 11:45:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 18/41] linux-user/signal: Drop HOST_SIGNAL_PLACEHOLDER Date: Sat, 18 Sep 2021 11:45:04 -0700 Message-Id: <20210918184527.408540-19-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918184527.408540-1-richard.henderson@linaro.org> References: <20210918184527.408540-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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: laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Now that all of the linux-user hosts have been converted to host-signal.h, drop the compatibility code. Signed-off-by: Richard Henderson --- include/exec/exec-all.h | 12 ------------ linux-user/signal.c | 13 ------------- 2 files changed, 25 deletions(-) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 5f94d799aa..5dd663c153 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -685,18 +685,6 @@ MMUAccessType adjust_signal_pc(uintptr_t *pc, bool is_write); bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set, uintptr_t host_pc, abi_ptr guest_addr); -/** - * cpu_signal_handler - * @signum: host signal number - * @pinfo: host siginfo_t - * @puc: host ucontext_t - * - * To be called from the SIGBUS and SIGSEGV signal handler to inform the - * virtual cpu of exceptions. Returns true if the signal was handled by - * the virtual CPU. - */ -int cpu_signal_handler(int signum, void *pinfo, void *puc); - #else static inline void mmap_lock(void) {} static inline void mmap_unlock(void) {} diff --git a/linux-user/signal.c b/linux-user/signal.c index 6f953f10d4..e6531fdfa0 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -773,16 +773,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) ucontext_t *uc = puc; struct emulated_sigtable *k; int guest_sig; - -#ifdef HOST_SIGNAL_PLACEHOLDER - /* the CPU emulator uses some host signals to detect exceptions, - we forward to it some signals */ - if ((host_sig == SIGSEGV || host_sig == SIGBUS) - && info->si_code > 0) { - if (cpu_signal_handler(host_sig, info, puc)) - return; - } -#else uintptr_t pc = 0; bool sync_sig = false; @@ -842,7 +832,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) sync_sig = true; } -#endif /* get target signal number */ guest_sig = host_to_target_signal(host_sig); @@ -857,7 +846,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) k->pending = guest_sig; ts->signal_pending = 1; -#ifndef HOST_SIGNAL_PLACEHOLDER /* * For synchronous signals, unwind the cpu state to the faulting * insn and then exit back to the main loop so that the signal @@ -867,7 +855,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) cpu->exception_index = EXCP_INTERRUPT; cpu_loop_exit_restore(cpu, pc); } -#endif rewind_if_in_safe_syscall(puc); -- 2.25.1