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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:01 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Paolo Bonzini Subject: [PATCH for-8.0 1/7] qemu/main-loop: Introduce QEMU_IOTHREAD_LOCK_GUARD Date: Fri, 18 Nov 2022 01:18:52 -0800 Message-Id: <20221118091858.242569-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Create a wrapper for locking/unlocking the iothread lock. Signed-off-by: Richard Henderson --- Cc: Paolo Bonzini (maintainer:Main loop) --- include/qemu/main-loop.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/include/qemu/main-loop.h b/include/qemu/main-loop.h index 3c9a9a982d..c25f390696 100644 --- a/include/qemu/main-loop.h +++ b/include/qemu/main-loop.h @@ -343,6 +343,35 @@ void qemu_mutex_lock_iothread_impl(const char *file, int line); */ void qemu_mutex_unlock_iothread(void); +/** + * QEMU_IOTHREAD_LOCK_GUARD + * + * Wrap a block of code in a conditional qemu_mutex_{lock,unlock}_iothread. + */ +typedef struct IOThreadLockAuto IOThreadLockAuto; + +static inline IOThreadLockAuto *qemu_iothread_auto_lock(const char *file, + int line) +{ + if (qemu_mutex_iothread_locked()) { + return NULL; + } + qemu_mutex_lock_iothread_impl(file, line); + /* Anything non-NULL causes the cleanup function to be called */ + return (IOThreadLockAuto *)(uintptr_t)1; +} + +static inline void qemu_iothread_auto_unlock(IOThreadLockAuto *l) +{ + qemu_mutex_unlock_iothread(); +} + +G_DEFINE_AUTOPTR_CLEANUP_FUNC(IOThreadLockAuto, qemu_iothread_auto_unlock) + +#define QEMU_IOTHREAD_LOCK_GUARD() \ + g_autoptr(IOThreadLockAuto) _iothread_lock_auto __attribute__((unused)) \ + = qemu_iothread_auto_lock(__FILE__, __LINE__) + /* * qemu_cond_wait_iothread: Wait on condition for the main loop mutex * From patchwork Fri Nov 18 09:18:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626097 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21603pvb; Fri, 18 Nov 2022 01:20:57 -0800 (PST) X-Google-Smtp-Source: AA0mqf7H1tB51miXZTH9qCJ+wLVNLixrC2Zaiipcc3pSaNmKiXUHhpfcBG4KxwwJHuCGjf8o5ODL X-Received: by 2002:a05:620a:6d7:b0:6ba:c4c4:23ce with SMTP id 23-20020a05620a06d700b006bac4c423cemr5022663qky.129.1668763257637; Fri, 18 Nov 2022 01:20:57 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763257; cv=none; d=google.com; s=arc-20160816; b=iOU7OmQqEdr6gKLw+psXrAVwYoCHra02lFd3aUVNKHGsSOEZdt9+c3Vrqa2wToKyvw p+WLoMHq4E0Xx9TRl0PlL/X35IQFm/dT9XtzKNpnuBexl0xmJZTNsHX4WI53Tav85hQQ 8cexSDSoMnpGDeg15+NrSwVXQ+OGFnh+ujzTV0Va+emvr7t26b68iJhx+uto3bFqqRsX J+fga5wLxG99AV3sy2PuLFqbbLRwBahug2U1Dsg50masDivtDOmAMKhXyxl88JYAtWK+ IFrwBB3bM/pgu7k/zWTJRZiQ6+59tFxADbjBIs3UNmaTqCJTxqECbmtjkD1mMZh0tqhz df8A== 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:cc:to :from:dkim-signature; bh=GkJjrCQQJwPeH4gDLby1aBlAc88p7sFhkRIPIWXnOA8=; b=sfWBFM8mbsE6PCBFjScsdVOMlwwym6iwtQ0W1WqvutZSWjYYiNi8Bq0KNjuofsEOoJ R6kVpeg/trqHtLkOMxEOUexHmexU2hiNtknohDgk2BV6NW8TCSlbf7IBml6PXQGyJh9d n1Gwf9mzgYSvT9aQ5BeeMYgYF9fZfDpWEmuRGKpiSZmwcjk2ZBh/vnK0dttvZj+XqM/R TE024RH275glQOoV1F+LJD/YE6mvFViMbw2unC/h/8MiGb14W2kqNTWrDkbF5D2wr7PN hhupZD+57zoY81jslg9Zj8WJ7Zd+wZHk/tKxi8qXEHYcMJYf1oeM6SvXKSU4w0WtyOlq 3pQg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=al5f4wZm; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:03 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Jiaxun Yang Subject: [PATCH for-8.0 2/7] hw/mips: Use QEMU_IOTHREAD_LOCK_GUARD in cpu_mips_irq_request Date: Fri, 18 Nov 2022 01:18:53 -0800 Message-Id: <20221118091858.242569-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x533.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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- Cc: Philippe Mathieu-Daudé Cc: Jiaxun Yang --- hw/mips/mips_int.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c index 2db5e10fe0..73437cd90f 100644 --- a/hw/mips/mips_int.c +++ b/hw/mips/mips_int.c @@ -32,17 +32,12 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level) MIPSCPU *cpu = opaque; CPUMIPSState *env = &cpu->env; CPUState *cs = CPU(cpu); - bool locked = false; if (irq < 0 || irq > 7) { return; } - /* Make sure locking works even if BQL is already held by the caller */ - if (!qemu_mutex_iothread_locked()) { - locked = true; - qemu_mutex_lock_iothread(); - } + QEMU_IOTHREAD_LOCK_GUARD(); if (level) { env->CP0_Cause |= 1 << (irq + CP0Ca_IP); @@ -59,10 +54,6 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level) } else { cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); } - - if (locked) { - qemu_mutex_unlock_iothread(); - } } void cpu_mips_irq_init_cpu(MIPSCPU *cpu) From patchwork Fri Nov 18 09:18:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626096 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21519pvb; Fri, 18 Nov 2022 01:20:44 -0800 (PST) X-Google-Smtp-Source: AA0mqf6ZotrDs2OEIkol0Qp7/9nwmXI+GuMt8j8I4ONd4xdVXObqSlqZDWGXUZnBZtHAloCGaNZA X-Received: by 2002:a37:86c6:0:b0:6ee:96d8:962d with SMTP id i189-20020a3786c6000000b006ee96d8962dmr4923643qkd.209.1668763244185; Fri, 18 Nov 2022 01:20:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763244; cv=none; d=google.com; s=arc-20160816; b=ncKvWObWtjupDHEU6igB9y1O/R1bT9x8jAe7VYa7Yxch9gDfeJ0FP38Yfs2HuQVNVE g6q3ZJ66dkNxpK4SHWKPT9/yElrat40hd4NqNkOEkUA1JayVeRm3z8j1YGz4nSPgATU8 wqMad8oO2vCeQxsPXIaoJSqGsGRwK50GQ9fRpkCXquN80i9rkgIG1bS4TJQfwq62gOsg 0fLg1L1xnIxB1VZEWem+GN0GWXfS7An3V1Q4/iy0mMU1dDM4XcOZhGA8w8jZ6jw8mZ/W fER28lW8vW/AwOafHmlszgOxjwZrOmfVBLV+akcmvnjchcU9HOj8iV3c0BPKwFGvZzoG uGdQ== 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:cc:to :from:dkim-signature; bh=Gbukfi2lhvW+PuRANNKhuCpHW9NS0bt15N8zWXxqRno=; b=S05KH/8iMA3DAH/CRWAWRtlgUqS9wQuGg890qlTkpfT7o9X5YUBBFcgiprLRGvu5PA voywkPvuKJ6qE2AwSwJMjY5RJA3s/JYdxbYYwYD5/tzQkgwefCASNr1iwuazju1sZUkE zWKd+JmNKZfZtcBDT8ATv4ZcAU5jRvJ6s23AqsXvO8FF3f9YxpCUBSI9krvJ/5EWforz ABtlvttd1uZv3J7N92T3kltCdvTtzwFno/70Qdr9sz2+HiRINaXCXapDvULQJ4iYhuWd DuDWN8TvC0MyrRSZbgF9Jx8CMm2SO8JdnhZcDX72TqpOMt4SfmKnfFE+JaVb0kaYS/Qj HuWQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=cspZu4R9; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:05 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org Subject: [PATCH for-8.0 3/7] target/ppc: Use QEMU_IOTHREAD_LOCK_GUARD in ppc_maybe_interrupt Date: Fri, 18 Nov 2022 01:18:54 -0800 Message-Id: <20221118091858.242569-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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=unavailable 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Daniel Henrique Barboza Reviewed-by: Philippe Mathieu-Daudé --- Cc: qemu-ppc@nongnu.org --- target/ppc/excp_helper.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 94adcb766b..8591bb3f73 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -2163,22 +2163,13 @@ static int ppc_next_unmasked_interrupt(CPUPPCState *env) void ppc_maybe_interrupt(CPUPPCState *env) { CPUState *cs = env_cpu(env); - bool locked = false; - - if (!qemu_mutex_iothread_locked()) { - locked = true; - qemu_mutex_lock_iothread(); - } + QEMU_IOTHREAD_LOCK_GUARD(); if (ppc_next_unmasked_interrupt(env)) { cpu_interrupt(cs, CPU_INTERRUPT_HARD); } else { cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); } - - if (locked) { - qemu_mutex_unlock_iothread(); - } } #if defined(TARGET_PPC64) From patchwork Fri Nov 18 09:18:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626094 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21339pvb; Fri, 18 Nov 2022 01:20:23 -0800 (PST) X-Google-Smtp-Source: AA0mqf5oXYirS/9GU9WhtY4tnJookvyBoqXhdt3QlxCuOnvZjelVVRhE0Q6cTzT1TnNZW3Ev6N7n X-Received: by 2002:ac8:704:0:b0:39c:d509:76a5 with SMTP id g4-20020ac80704000000b0039cd50976a5mr5818519qth.382.1668763223013; Fri, 18 Nov 2022 01:20:23 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763223; cv=none; d=google.com; s=arc-20160816; b=tY8gIFD3ZkxkI8urGc8IN4HwTKY0yF7c8WORNFIdvHi2UmzCu7uw7jB2JM6355cqhx 29yFU4o7C4iyL8KhBDpt1Qxh4fMt3pkls2j2ZYFQFaSo06oSNpdFygkYBZy4iWtG48c2 nmp13ppoLTt/oIpLd/q/T3trxJV6yIj0A8FZ2QghjClIA3FV6A6Ztujs8mjbHg8ycLdI PYzvQOp42F5W1ToesHyp7mgzsddzbN5+VEIHbrSQAD0IA8OMlFeUzN6x7GoJTMj0VDGU GWtKJR0CXZUiFAvBUZ9t/i2sQ7O3EKmWDjhZLXd8VRTlQbrm3d2OWYsfizm/toLl7JFf sMPg== 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:cc:to :from:dkim-signature; bh=pFfgs3OCmiINOoIxkAFBJxh98qGAkPlN373hocZd7nU=; b=ptg2b0nzjRQeLo2jkTJ6ZbmU+TFhYaFZepyRR+m9IfGboj+qvJfaTvov4tsFCdZfMq MW5X1Q/QLVjZt7ZlLkRN0MqJ/J3JAxIUBqwfP1+k1HqXWtqXQApdZ08EFKhIaXWlAUDn pr0qgJt0x/LNIOwjyVZeJ83LUwLdC/Nqnxl0qwbMJ8U4qDyd1lR+L7xioY1xZnD8p4dn Y14HSgzquCxoOve0fywAwWJg7dVA+cSAZQmdGa3AQCt4p5gQzF0VRgL/PIvq2MzIqPUz Pqo1AbXRVSp3cfsNxp0PloJ9yJQAyVWILOFnEB8jFO0mtKbTvcNB3qOzF7QsMHhNJkYd 6nhw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=SraggbNb; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:07 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org Subject: [PATCH for-8.0 4/7] target/ppc: Use QEMU_IOTHREAD_LOCK_GUARD in cpu_interrupt_exittb Date: Fri, 18 Nov 2022 01:18:55 -0800 Message-Id: <20221118091858.242569-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org In addition, use tcg_enabled instead of !kvm_enabled. Signed-off-by: Richard Henderson Reviewed-by: Daniel Henrique Barboza Reviewed-by: Philippe Mathieu-Daudé --- Cc: qemu-ppc@nongnu.org --- target/ppc/helper_regs.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index c0aee5855b..779e7db513 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -22,6 +22,7 @@ #include "qemu/main-loop.h" #include "exec/exec-all.h" #include "sysemu/kvm.h" +#include "sysemu/tcg.h" #include "helper_regs.h" #include "power8-pmu.h" #include "cpu-models.h" @@ -203,17 +204,10 @@ void cpu_interrupt_exittb(CPUState *cs) { /* * We don't need to worry about translation blocks - * when running with KVM. + * unless running with TCG. */ - if (kvm_enabled()) { - return; - } - - if (!qemu_mutex_iothread_locked()) { - qemu_mutex_lock_iothread(); - cpu_interrupt(cs, CPU_INTERRUPT_EXITTB); - qemu_mutex_unlock_iothread(); - } else { + if (tcg_enabled()) { + QEMU_IOTHREAD_LOCK_GUARD(); cpu_interrupt(cs, CPU_INTERRUPT_EXITTB); } } From patchwork Fri Nov 18 09:18:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626093 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21222pvb; Fri, 18 Nov 2022 01:20:09 -0800 (PST) X-Google-Smtp-Source: AA0mqf70+hHUhnrlcaDsFI4eURhaao0BaqQQBhdSi1C8E4Tj4P4R2X9UloXBDWkkLhHWC0rtDoh2 X-Received: by 2002:a37:2f44:0:b0:6fa:fc92:13fd with SMTP id v65-20020a372f44000000b006fafc9213fdmr5067085qkh.183.1668763209619; Fri, 18 Nov 2022 01:20:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763209; cv=none; d=google.com; s=arc-20160816; b=kDFqJ/alEG1q0RnWtO/8THfW8G8C12luazYwWMeQGB3FgWRi83WxjIKicjMgUuqPGF I/l5vsjE+rN5f3LSBbE2KmWynAw0HavTSEzhInOq2vBOgPJH9nT38SAotujgz0otDGvC nm9/FHCV4XQZUQn4SJtlEydNWF6kEHVWEsABYd+vda30aevPgJYS6gCAO+2muW9uhhdR c2EGJiNQJihIg1SD7DT8mWT5qyrOc3RVk6vs166etXUzIikW9ELaF3fx2aka/MeutfB3 id0kmXkYYKUJ2Ind+n6sQAi1GN+VFFKNw9OwJG4qFLFgfp+LtNlQcZ0UEGUc3ihJIh6E KtZQ== 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:cc:to :from:dkim-signature; bh=0xEXkQ8t+tq1lZA75jL8hUMTdx4hxvqmTCVjHKWZivA=; b=rBRwxKyKX/VlbJCFL9GvhiWNzDwcKBkyPvXW9PSWKO4fmtftISO4yMuqb/4UeolT8A 8ojY8fOHCew0O/mWwMFbZKrj9VxAfuK9LgefnjLj9vcZSITc6s7HntDN0MquevJa33q6 Lr4fJVd0l8GNTs2xdibfVZUAns/4ZiOC/y4kJAe1p93W2lKdYD3bORDkGH1vctKHYrIS XBLRLL6592cSiAv5t2p9RrpHZXMckBur7NiNgwYvjyGOu8Iwa+LQ2j2Cz0e45xWDir7k gKIg1IGL7ILMlVKrJLFL65Mob5Pflfj3oF/XvRHbz4+Mi+mMLnzxtG1JMxJOfZPityRC lCZw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=bFyuS2eS; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:09 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Alistair Francis , Bin Meng , qemu-riscv@nongnu.org Subject: [PATCH for-8.0 5/7] target/riscv: Use QEMU_IOTHREAD_LOCK_GUARD in riscv_cpu_update_mip Date: Fri, 18 Nov 2022 01:18:56 -0800 Message-Id: <20221118091858.242569-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé --- Cc: Alistair Francis Cc: Bin Meng Cc: qemu-riscv@nongnu.org --- target/riscv/cpu_helper.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 278d163803..241d06bab8 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -610,7 +610,6 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value) CPURISCVState *env = &cpu->env; CPUState *cs = CPU(cpu); uint64_t gein, vsgein = 0, vstip = 0, old = env->mip; - bool locked = false; if (riscv_cpu_virt_enabled(env)) { gein = get_field(env->hstatus, HSTATUS_VGEIN); @@ -621,10 +620,7 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value) mask = ((mask == MIP_VSTIP) && env->vstime_irq) ? 0 : mask; vstip = env->vstime_irq ? MIP_VSTIP : 0; - if (!qemu_mutex_iothread_locked()) { - locked = true; - qemu_mutex_lock_iothread(); - } + QEMU_IOTHREAD_LOCK_GUARD(); env->mip = (env->mip & ~mask) | (value & mask); @@ -634,10 +630,6 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value) cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); } - if (locked) { - qemu_mutex_unlock_iothread(); - } - return old; } From patchwork Fri Nov 18 09:18:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626092 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21075pvb; Fri, 18 Nov 2022 01:19:47 -0800 (PST) X-Google-Smtp-Source: AA0mqf5K+PkmHDOqQItYJ09g8I0+7qryu6aciU/C21tSxTtXYhuxoN0QU2y7npqRjTaDdgxzDG0S X-Received: by 2002:a05:620a:132c:b0:6fa:774:2822 with SMTP id p12-20020a05620a132c00b006fa07742822mr5076269qkj.410.1668763187412; Fri, 18 Nov 2022 01:19:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763187; cv=none; d=google.com; s=arc-20160816; b=MeMMq8SfsA/HYZLQqormCFjXOWJW6iFE6oC2v702AVmq06cakRUs/GPAF8zSu18hcN npKjZdZtgGTNzvrPZ2qp1B5NRJCphClArgrvFd0KfcJ954qJrbePc3fPW/U07FHk5X78 SMhI5NzGyeWe7OLeyrhfc4vXLTxLkRJ1mkbN9vsO3p+IaGO/c7o1gsaeNDW6uHJmddgz jwREuoyrpBMC62LpxUL7fYR45YUorUrxSMNkxTwxtuRb+Rpd2NRbmC/4hPNpvHRQ6qfZ g5+LFe1GvY690n5N7O6eOCY9crzpj0i6YweAfcgB8FsrVGvtvafBnG4kZvV/uBEpRg+Z Aa+w== 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:cc:to :from:dkim-signature; bh=klMV9QcwxtW012k58NMnkKEYmz5AJ4MFhRIGSfHup4Y=; b=us1t8nfg2Pso8SNJwlV4VS+tk1GWsACSCSdjlRmdmhGxNZkt9QQABGdktB2Sl9VMMK VWX4bo5pbL2jZkMc5no8fkKmKvnNkgDooGvsikCMYhHtDBYvoDxOVpRd9fxqrBRpJhtH GDAPoKNdE6XLuQb/B8RbHuEWYodiFbNtitqJf8qWa5nVcu1oT4VqE7mSgtpuWNYXJs9R 5imqDZ3SFIvoBCgoTxrzmKDQ+m6P/iwrZuQ87Vbo+JDP0cMF9nFD2zgnfPXFd5k+l74/ xkdCG30PCymcRQIPTEQ/0g4oAM+TAdUGDO9l6tjeoq33kZydT/Nl2FoDj80iKaqTvVu/ e2sA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=JXozbtKb; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:11 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org Subject: [PATCH for-8.0 6/7] hw/ppc: Use QEMU_IOTHREAD_LOCK_GUARD in ppc_set_irq Date: Fri, 18 Nov 2022 01:18:57 -0800 Message-Id: <20221118091858.242569-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-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=unavailable 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Daniel Henrique Barboza Reviewed-by: Philippe Mathieu-Daudé --- Cc: qemu-ppc@nongnu.org --- hw/ppc/ppc.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index dc86c1c7db..4e816c68c7 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -44,13 +44,9 @@ void ppc_set_irq(PowerPCCPU *cpu, int irq, int level) { CPUPPCState *env = &cpu->env; unsigned int old_pending; - bool locked = false; /* We may already have the BQL if coming from the reset path */ - if (!qemu_mutex_iothread_locked()) { - locked = true; - qemu_mutex_lock_iothread(); - } + QEMU_IOTHREAD_LOCK_GUARD(); old_pending = env->pending_interrupts; @@ -67,10 +63,6 @@ void ppc_set_irq(PowerPCCPU *cpu, int irq, int level) trace_ppc_irq_set_exit(env, irq, level, env->pending_interrupts, CPU(cpu)->interrupt_request); - - if (locked) { - qemu_mutex_unlock_iothread(); - } } /* PowerPC 6xx / 7xx internal IRQ controller */ From patchwork Fri Nov 18 09:18:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 626095 Delivered-To: patch@linaro.org Received: by 2002:a17:522:c983:b0:460:3032:e3c4 with SMTP id kr3csp21394pvb; Fri, 18 Nov 2022 01:20:29 -0800 (PST) X-Google-Smtp-Source: AA0mqf4M/BqiVRQczLVXRI1HGboXbGqh8Hk89sjDiPOS/maf87NYwKBBVwsK4Eco4oZP0xHpaLIf X-Received: by 2002:a05:620a:100f:b0:6fa:17e5:b62b with SMTP id z15-20020a05620a100f00b006fa17e5b62bmr5066376qkj.676.1668763229753; Fri, 18 Nov 2022 01:20:29 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668763229; cv=none; d=google.com; s=arc-20160816; b=iC70BGO1jCZWGIKcLNxXEIir8MhzGPJIuDbmSpYLq27pLKAj7fTTw+OZVa3RNPHie9 DGrHogZNOxPoFejcpGh5QT3/i+C97HHSmeSxUTvwGFnn/RGAInHkKTdbL10ZOqx8yCe2 feh5o6KUirMDXLrO4x5ZDauCiwusftqBQ7r3IHN7zezsp/CAv3mUN16CppKJNZ5GCj2x xQMkmllRThvQNF63beQZG07S4CSzo397IkXNnhcQdxAh+a7AkgHl1IECQPK4gWVkZuJo GPlAPZ4TwP/YKHPtuWhc3cEFC3hbCwpIeGt2/w6nkMhuZNaQNeMJaBwdDN4G4YxNq0tl nNVg== 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=xTLomTDMGtupPpPOgZN/MPA3hVB5xteqtzEufUeeVc4=; b=Wb8oysVJ+B+zlfZlotLqB/Jncn5W+n+EZM9LpDJ3P1ibBIV8Uc+J3RawhD/dFbm72h vNV5U0zT38ohrFNSe1chuf+WBmTACvLLR85oiQPpyQQ2TpTFaljYwmOmqKsQqDjQNM9v RZpMXisa2vzTD97b9rAMhgIA2w5X+BdeRhmS/cx+fbGOeZmd6u3HCnP86xMeHdD0jCbw kLOTV+bwHDlGg4MLfAQTAcNTN0A6ph/1QbUCbhOZEzYLtf9GwZmfd98quZ+5uOaLqk7E TYUdSLIS3eY7smwq5bdFFwt39PqM0GPIOeJyDHsaWkz0vJyZ8bE4aGyTQQQGtScFVWh/ lAHg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=nBWVdlfG; 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. 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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id a27-20020aa794bb000000b0056e8eb09d57sm2672305pfl.63.2022.11.18.01.19.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:19:12 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH for-8.0 7/7] accel/tcg: Use QEMU_IOTHREAD_LOCK_GUARD in io_readx/io_writex Date: Fri, 18 Nov 2022 01:18:58 -0800 Message-Id: <20221118091858.242569-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118091858.242569-1-richard.henderson@linaro.org> References: <20221118091858.242569-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Narrow the scope of the lock to the actual read/write, moving the cpu_transation_failed call outside the lock. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- accel/tcg/cputlb.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 517b599c5f..d177afcad6 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1356,7 +1356,6 @@ static uint64_t io_readx(CPUArchState *env, CPUTLBEntryFull *full, MemoryRegionSection *section; MemoryRegion *mr; uint64_t val; - bool locked = false; MemTxResult r; section = iotlb_to_section(cpu, full->xlat_section, full->attrs); @@ -1367,11 +1366,11 @@ static uint64_t io_readx(CPUArchState *env, CPUTLBEntryFull *full, cpu_io_recompile(cpu, retaddr); } - if (!qemu_mutex_iothread_locked()) { - qemu_mutex_lock_iothread(); - locked = true; + { + QEMU_IOTHREAD_LOCK_GUARD(); + r = memory_region_dispatch_read(mr, mr_offset, &val, op, full->attrs); } - r = memory_region_dispatch_read(mr, mr_offset, &val, op, full->attrs); + if (r != MEMTX_OK) { hwaddr physaddr = mr_offset + section->offset_within_address_space - @@ -1380,10 +1379,6 @@ static uint64_t io_readx(CPUArchState *env, CPUTLBEntryFull *full, cpu_transaction_failed(cpu, physaddr, addr, memop_size(op), access_type, mmu_idx, full->attrs, r, retaddr); } - if (locked) { - qemu_mutex_unlock_iothread(); - } - return val; } @@ -1410,7 +1405,6 @@ static void io_writex(CPUArchState *env, CPUTLBEntryFull *full, hwaddr mr_offset; MemoryRegionSection *section; MemoryRegion *mr; - bool locked = false; MemTxResult r; section = iotlb_to_section(cpu, full->xlat_section, full->attrs); @@ -1427,11 +1421,11 @@ static void io_writex(CPUArchState *env, CPUTLBEntryFull *full, */ save_iotlb_data(cpu, section, mr_offset); - if (!qemu_mutex_iothread_locked()) { - qemu_mutex_lock_iothread(); - locked = true; + { + QEMU_IOTHREAD_LOCK_GUARD(); + r = memory_region_dispatch_write(mr, mr_offset, val, op, full->attrs); } - r = memory_region_dispatch_write(mr, mr_offset, val, op, full->attrs); + if (r != MEMTX_OK) { hwaddr physaddr = mr_offset + section->offset_within_address_space - @@ -1441,9 +1435,6 @@ static void io_writex(CPUArchState *env, CPUTLBEntryFull *full, MMU_DATA_STORE, mmu_idx, full->attrs, r, retaddr); } - if (locked) { - qemu_mutex_unlock_iothread(); - } } static inline target_ulong tlb_read_ofs(CPUTLBEntry *entry, size_t ofs)