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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DEE3C433FE for ; Fri, 15 Oct 2021 04:15:13 +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 EB165611C3 for ; Fri, 15 Oct 2021 04:15:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org EB165611C3 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]:35278 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbEci-0006rF-2m for qemu-devel@archiver.kernel.org; Fri, 15 Oct 2021 00:15:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38650) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbEYe-0006fF-H7 for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:11:00 -0400 Received: from mail-pj1-x1031.google.com ([2607:f8b0:4864:20::1031]:41949) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mbEYb-0008WM-Sy for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:11:00 -0400 Received: by mail-pj1-x1031.google.com with SMTP id na16-20020a17090b4c1000b0019f5bb661f9so6415410pjb.0 for ; Thu, 14 Oct 2021 21:10:57 -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=Xj+GBWow8u43T9kfx0pjQLSKyRLLPuU7SzICT50Nk5s=; b=jZuug+o019EfKoHhMGR63+bwuoHKY41oienXVmxxvQnShcmhYnHrK9qosb2utXVuRX Wcs2SD4/pSk2U4LDbK6L6CtwlUbyxaqFSquHQUmOVJRPswvycVVrGNTXc3MoLBwzFOz9 XXiA7CtJddmb51ZApyb7vFMSKb8DpfnXyXUsU3EmqXKM7qPsKILVEDw3/gVmGYUwOYg9 k1pdunAQT0TELpQRSnToNhuWwPm3Nlupq4QTlelRKfQwDVn/Ww6nocihIgOakzB+VuOY 2rCWIB6J+3tLBIlq2ZXtBk2fzrw6PLyJIgux/FmMKdGIiN7glUIXCjbsT6YV32BrygZ5 yJWg== 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=Xj+GBWow8u43T9kfx0pjQLSKyRLLPuU7SzICT50Nk5s=; b=q0vUc7lk3cVoJaK40305BFSjzHb+8owBA82uHerijqvD1HZUdXGp2kPFlsCuSyKreX ZKHMtCVn+b8mlzkNNaXAkGBrxu4GJchYgt7hOR/TKFpUDarXN48odudapsnwes+DrwRH Q40RmhNGVSVlGwXGmW9UBT7dp5RuAQ0+2PdhtMdwC01TIzGKf3KKaSLMyONx34TVlBZU O57DItiOaOx9FhSL2kAWJ7+FdBOR2vHXXj9965ThkmxFNzspsM0xfPCZan5PDgg/qohD 07S1YPTBx5SAVkQVnxywMUheH4diRH6NWTPTkoeNgou95NorS2dSI791ipY8fZpv5vbl MN2w== X-Gm-Message-State: AOAM531NOjss075MSzliKJm7aeZwsiK6vHzHrUllhcPqACsOkgnoLPyZ pTXuyAfL4eeyc461D59FBRWb0j3FtzNx3Q== X-Google-Smtp-Source: ABdhPJwtSltIM4gUblocJRmcGPm4q0YdVPzA/pIJ470aDau9ErKY/ssCsQS5s8cUMeGG1DOA8wIp1w== X-Received: by 2002:a17:90b:3504:: with SMTP id ls4mr10729905pjb.111.1634271056529; Thu, 14 Oct 2021 21:10:56 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id me12sm5718006pjb.27.2021.10.14.21.10.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 21:10:56 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 02/67] accel/tcg: Move clear_helper_retaddr to cpu loop Date: Thu, 14 Oct 2021 21:09:48 -0700 Message-Id: <20211015041053.2769193-3-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 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Currently there are only two places that require we reset this value before exiting to the main loop, but that will change. Reviewed-by: Warner Losh Signed-off-by: Richard Henderson --- accel/tcg/cpu-exec.c | 3 ++- accel/tcg/user-exec.c | 2 -- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 5fd1ed3422..410588d08a 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -451,6 +451,7 @@ void cpu_exec_step_atomic(CPUState *cpu) * memory. */ #ifndef CONFIG_SOFTMMU + clear_helper_retaddr(); tcg_debug_assert(!have_mmap_lock()); #endif if (qemu_mutex_iothread_locked()) { @@ -460,7 +461,6 @@ void cpu_exec_step_atomic(CPUState *cpu) qemu_plugin_disable_mem_helpers(cpu); } - /* * As we start the exclusive region before codegen we must still * be in the region if we longjump out of either the codegen or @@ -905,6 +905,7 @@ int cpu_exec(CPUState *cpu) #endif #ifndef CONFIG_SOFTMMU + clear_helper_retaddr(); tcg_debug_assert(!have_mmap_lock()); #endif if (qemu_mutex_iothread_locked()) { diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index c02d509ec6..3f3e793b7b 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -175,7 +175,6 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info, * currently executing TB was modified and must be exited * immediately. Clear helper_retaddr for next execution. */ - clear_helper_retaddr(); cpu_exit_tb_from_sighandler(cpu, old_set); /* NORETURN */ @@ -193,7 +192,6 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info, * an exception. Undo signal and retaddr state prior to longjmp. */ sigprocmask(SIG_SETMASK, old_set, NULL); - clear_helper_retaddr(); cc = CPU_GET_CLASS(cpu); cc->tcg_ops->tlb_fill(cpu, address, 0, access_type, -- 2.25.1