From patchwork Wed Jun 24 22:58:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624441 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6C3A192A for ; Wed, 24 Jun 2020 23:02:10 +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 43FF72073E for ; Wed, 24 Jun 2020 23:02:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="Xwf9qjNI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 43FF72073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:52622 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1joEPB-0001Bd-8m for patchwork-qemu-devel@patchwork.kernel.org; Wed, 24 Jun 2020 19:02:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40414) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1joEO6-0007xp-GJ for qemu-devel@nongnu.org; Wed, 24 Jun 2020 19:01:02 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:32864 helo=mta-01.yadro.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1joEO4-0006kf-PX for qemu-devel@nongnu.org; Wed, 24 Jun 2020 19:01:02 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id C834D4C8A5; Wed, 24 Jun 2020 23:00:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1593039656; x=1594854057; bh=oeWDG+WWzJ1ddsNbdkQSnBzk7CCguEOTiGP 81HTc41Y=; b=Xwf9qjNIRZOlojOtE4pFELU6gZrQRyl6kxUq3a9c0WL591g7Vbe 2NywKILBe+YAM4FpHhBDkJ0jI9ECx4RPYurlKicHD3oFL/OIcZnxWXm8vGYbyPot CSmROhr9aevHwJVJ29s+Ip9a8Ney9TC4mogjhPPJ7eX+gNJ5t2drBTzo= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mShg5_6uawVf; Thu, 25 Jun 2020 02:00:56 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 48D334C8A8; Thu, 25 Jun 2020 02:00:56 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:56 +0300 From: Roman Bolshakov To: Subject: [PATCH 1/8] i386: hvf: Set env->eip in macvm_set_rip() Date: Thu, 25 Jun 2020 01:58:44 +0300 Message-ID: <20200624225850.16982-2-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" cpu_synchronize_state() is currently no-op for hvf but BIOS will hang in vAPIC option ROM when cpu_synchronize_state() is wired to hvf_cpu_synchronize_state(). cpu_synchronize_state() state is called from vapic_write() during option ROM initialization. It sets dirty flag on the cpu. macvm_set_rip() is then invoked to advance IP after the I/O write to vAPIC port. macvm_set_rip() only modifies VMCS, it doesn't change env->eip. Therefore on the next iteration of vCPU loop, vcpu_dirty flag is checked and hvf_put_registers() overwrites correct RIP in VMCS with the value of env->eip that points to the I/O write instruction. Execution of the CPU gets stuck on the instruction. The issue can be avoided if eip doesn't contain stale value when dirty flag is set on cpu. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- target/i386/hvf/vmx.h | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/hvf/vmx.h b/target/i386/hvf/vmx.h index ce2a1532d5..1e8b29bf7d 100644 --- a/target/i386/hvf/vmx.h +++ b/target/i386/hvf/vmx.h @@ -173,6 +173,7 @@ static inline void macvm_set_rip(CPUState *cpu, uint64_t rip) /* BUG, should take considering overlap.. */ wreg(cpu->hvf_fd, HV_X86_RIP, rip); + env->eip = rip; /* after moving forward in rip, we need to clean INTERRUPTABILITY */ val = rvmcs(cpu->hvf_fd, VMCS_GUEST_INTERRUPTIBILITY); From patchwork Wed Jun 24 22:58:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624457 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6D46290 for ; Wed, 24 Jun 2020 23:03:53 +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 451BD2073E for ; 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Thu, 25 Jun 2020 02:00:56 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:56 +0300 From: Roman Bolshakov To: Subject: [PATCH 2/8] i386: hvf: Move synchronize functions to sysemu Date: Thu, 25 Jun 2020 01:58:45 +0300 Message-ID: <20200624225850.16982-3-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Paolo Bonzini , Roman Bolshakov , Claudio Fontana , Cameron Esfahani , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Claudio Fontana --- cpus.c | 12 ------------ include/sysemu/hw_accel.h | 10 ++++++++++ 2 files changed, 10 insertions(+), 12 deletions(-) diff --git a/cpus.c b/cpus.c index 7317ae06b9..26709677d3 100644 --- a/cpus.c +++ b/cpus.c @@ -1017,10 +1017,6 @@ void cpu_synchronize_all_states(void) CPU_FOREACH(cpu) { cpu_synchronize_state(cpu); - /* TODO: move to cpu_synchronize_state() */ - if (hvf_enabled()) { - hvf_cpu_synchronize_state(cpu); - } } } @@ -1030,10 +1026,6 @@ void cpu_synchronize_all_post_reset(void) CPU_FOREACH(cpu) { cpu_synchronize_post_reset(cpu); - /* TODO: move to cpu_synchronize_post_reset() */ - if (hvf_enabled()) { - hvf_cpu_synchronize_post_reset(cpu); - } } } @@ -1043,10 +1035,6 @@ void cpu_synchronize_all_post_init(void) CPU_FOREACH(cpu) { cpu_synchronize_post_init(cpu); - /* TODO: move to cpu_synchronize_post_init() */ - if (hvf_enabled()) { - hvf_cpu_synchronize_post_init(cpu); - } } } diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h index 0ec2372477..80bce75921 100644 --- a/include/sysemu/hw_accel.h +++ b/include/sysemu/hw_accel.h @@ -14,6 +14,7 @@ #include "hw/core/cpu.h" #include "sysemu/hax.h" #include "sysemu/kvm.h" +#include "sysemu/hvf.h" #include "sysemu/whpx.h" static inline void cpu_synchronize_state(CPUState *cpu) @@ -24,6 +25,9 @@ static inline void cpu_synchronize_state(CPUState *cpu) if (hax_enabled()) { hax_cpu_synchronize_state(cpu); } + if (hvf_enabled()) { + hvf_cpu_synchronize_state(cpu); + } if (whpx_enabled()) { whpx_cpu_synchronize_state(cpu); } @@ -37,6 +41,9 @@ static inline void cpu_synchronize_post_reset(CPUState *cpu) if (hax_enabled()) { hax_cpu_synchronize_post_reset(cpu); } + if (hvf_enabled()) { + hvf_cpu_synchronize_post_reset(cpu); + } if (whpx_enabled()) { whpx_cpu_synchronize_post_reset(cpu); } @@ -50,6 +57,9 @@ static inline void cpu_synchronize_post_init(CPUState *cpu) if (hax_enabled()) { hax_cpu_synchronize_post_init(cpu); } + if (hvf_enabled()) { + hvf_cpu_synchronize_post_init(cpu); + } if (whpx_enabled()) { whpx_cpu_synchronize_post_init(cpu); } From patchwork Wed Jun 24 22:58:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624443 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 374A71392 for ; 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Thu, 25 Jun 2020 02:00:58 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 4410F4C8AE; Thu, 25 Jun 2020 02:00:57 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:57 +0300 From: Roman Bolshakov To: Subject: [PATCH 3/8] i386: hvf: Add hvf_cpu_synchronize_pre_loadvm() Date: Thu, 25 Jun 2020 01:58:46 +0300 Message-ID: <20200624225850.16982-4-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" hvf lacks an implementation of cpu_synchronize_pre_loadvm(). Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- include/sysemu/hvf.h | 1 + include/sysemu/hw_accel.h | 3 +++ target/i386/hvf/hvf.c | 11 +++++++++++ 3 files changed, 15 insertions(+) diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h index 5214ed5202..1d40a8ec01 100644 --- a/include/sysemu/hvf.h +++ b/include/sysemu/hvf.h @@ -28,6 +28,7 @@ int hvf_vcpu_exec(CPUState *); void hvf_cpu_synchronize_state(CPUState *); void hvf_cpu_synchronize_post_reset(CPUState *); void hvf_cpu_synchronize_post_init(CPUState *); +void hvf_cpu_synchronize_pre_loadvm(CPUState *); void hvf_vcpu_destroy(CPUState *); void hvf_reset_vcpu(CPUState *); diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h index 80bce75921..e128f8b06b 100644 --- a/include/sysemu/hw_accel.h +++ b/include/sysemu/hw_accel.h @@ -73,6 +73,9 @@ static inline void cpu_synchronize_pre_loadvm(CPUState *cpu) if (hax_enabled()) { hax_cpu_synchronize_pre_loadvm(cpu); } + if (hvf_enabled()) { + hvf_cpu_synchronize_pre_loadvm(cpu); + } if (whpx_enabled()) { whpx_cpu_synchronize_pre_loadvm(cpu); } diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index be016b951a..efe9802962 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -325,6 +325,17 @@ void hvf_cpu_synchronize_post_init(CPUState *cpu_state) run_on_cpu(cpu_state, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL); } +static void do_hvf_cpu_synchronize_pre_loadvm(CPUState *cpu, + run_on_cpu_data arg) +{ + cpu->vcpu_dirty = true; +} + +void hvf_cpu_synchronize_pre_loadvm(CPUState *cpu) +{ + run_on_cpu(cpu, do_hvf_cpu_synchronize_pre_loadvm, RUN_ON_CPU_NULL); +} + static bool ept_emulation_fault(hvf_slot *slot, uint64_t gpa, uint64_t ept_qual) { int read, write; From patchwork Wed Jun 24 22:58:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624491 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3E1FB138C for ; 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Thu, 25 Jun 2020 02:00:59 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id DF0334C8AD; Thu, 25 Jun 2020 02:00:57 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:57 +0300 From: Roman Bolshakov To: Subject: [PATCH 4/8] i386: hvf: Implement CPU kick Date: Thu, 25 Jun 2020 01:58:47 +0300 Message-ID: <20200624225850.16982-5-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" HVF doesn't have a CPU kick and without it it's not possible to perform an action on CPU thread until a VMEXIT happens. The kick is also needed for timely interrupt delivery. Existing implementation of CPU kick sends SIG_IPI (aka SIGUSR1) to vCPU thread, but it's different from what hv_vcpu_interrupt does. The latter one results in invocation of mp_cpus_kick() in XNU kernel [1]. While at it, correct type of hvf_fd to the type of hv_vcpuid_t to avoid compilation warnings. 1. https://opensource.apple.com/source/xnu/xnu-6153.81.5/osfmk/i386/mp.c Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- cpus.c | 13 +++++++++---- include/hw/core/cpu.h | 2 +- include/sysemu/hvf.h | 1 + target/i386/hvf/hvf.c | 11 +++++++++++ 4 files changed, 22 insertions(+), 5 deletions(-) diff --git a/cpus.c b/cpus.c index 26709677d3..36f38ce5c8 100644 --- a/cpus.c +++ b/cpus.c @@ -1783,10 +1783,15 @@ static void qemu_cpu_kick_thread(CPUState *cpu) return; } cpu->thread_kicked = true; - err = pthread_kill(cpu->thread->thread, SIG_IPI); - if (err && err != ESRCH) { - fprintf(stderr, "qemu:%s: %s", __func__, strerror(err)); - exit(1); + + if (hvf_enabled()) { + hvf_vcpu_kick(cpu); + } else { + err = pthread_kill(cpu->thread->thread, SIG_IPI); + if (err && err != ESRCH) { + fprintf(stderr, "qemu:%s: %s", __func__, strerror(err)); + exit(1); + } } #else /* _WIN32 */ if (!qemu_cpu_is_self(cpu)) { diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index b3f4b79318..288a2bd57e 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -438,7 +438,7 @@ struct CPUState { struct hax_vcpu_state *hax_vcpu; - int hvf_fd; + unsigned hvf_fd; /* track IOMMUs whose translations we've cached in the TCG TLB */ GArray *iommu_notifiers; diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h index 1d40a8ec01..aaa00cbf05 100644 --- a/include/sysemu/hvf.h +++ b/include/sysemu/hvf.h @@ -25,6 +25,7 @@ extern bool hvf_allowed; int hvf_init_vcpu(CPUState *); int hvf_vcpu_exec(CPUState *); +void hvf_vcpu_kick(CPUState *); void hvf_cpu_synchronize_state(CPUState *); void hvf_cpu_synchronize_post_reset(CPUState *); void hvf_cpu_synchronize_post_init(CPUState *); diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index efe9802962..4d254a477a 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -966,6 +966,17 @@ int hvf_vcpu_exec(CPUState *cpu) return ret; } +void hvf_vcpu_kick(CPUState *cpu) +{ + hv_return_t err; + + err = hv_vcpu_interrupt(&cpu->hvf_fd, 1); + if (err) { + fprintf(stderr, "qemu:%s error %#x\n", __func__, err); + exit(1); + } +} + bool hvf_allowed; static int hvf_accel_init(MachineState *ms) From patchwork Wed Jun 24 22:58:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624463 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5CBF792A for ; Wed, 24 Jun 2020 23:03:59 +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 302162073E for ; Wed, 24 Jun 2020 23:03:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="Oa4og9+j" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 302162073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:59324 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1joEQw-0004A7-DX for patchwork-qemu-devel@patchwork.kernel.org; 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b=Oa4og9+j+uGjcqAsI3RPExG2O44MIbRfQqcvrE3re1W/hS8hUog b8uu/w7VJKN9kwNqRDX0hpUj6w7tGlWf9Ir9+k00C7Tu/ul9Gpl68E2GabGgjgN2 mDjiXgiE/qSrmP23Sxeu2sLfSvMZ46pxq6A8ZRI6NHbXfCIXPubbcFI4= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sPCVySG97sVg; Thu, 25 Jun 2020 02:00:59 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 6C5064C8A7; Thu, 25 Jun 2020 02:00:58 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:58 +0300 From: Roman Bolshakov To: Subject: [PATCH 5/8] i386: hvf: Don't duplicate register reset Date: Thu, 25 Jun 2020 01:58:48 +0300 Message-ID: <20200624225850.16982-6-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" hvf_reset_vcpu() duplicates actions performed by x86_cpu_reset(). The difference is that hvf_reset_vcpu() stores initial values directly to VMCS while x86_cpu_reset() stores it in CPUX86State and then cpu_synchronize_all_post_init() or cpu_synchronize_all_post_reset() flushes CPUX86State into VMCS. That makes most of the hvf_reset_vcpu() a kind of no-op. Here's the trace of CPU state modifications during VM start: hvf_reset_vcpu (resets VMCS) cpu_synchronize_all_post_init (overwrites VMCS fields written by hvf_reset_vcpu()) cpu_synchronize_all_states hvf_reset_vcpu (resets VMCS) cpu_synchronize_all_post_reset (overwrites VMCS fields written by hvf_reset_vcpu()) General purpose registers, system registers, segment descriptors, flags and IP are set by hvf_put_segments() in post-init and post-reset, therefore it's safe to remove them from hvf_reset_vcpu(). Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- target/i386/hvf/hvf.c | 78 ------------------------------------------- 1 file changed, 78 deletions(-) diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 4d254a477a..2c4028d08c 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -456,90 +456,12 @@ void hvf_reset_vcpu(CPUState *cpu) { uint64_t pdpte[4] = {0, 0, 0, 0}; int i; - /* TODO: this shouldn't be needed; there is already a call to - * cpu_synchronize_all_post_reset in vl.c - */ wvmcs(cpu->hvf_fd, VMCS_ENTRY_CTLS, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_IA32_EFER, 0); /* Initialize PDPTE */ for (i = 0; i < 4; i++) { wvmcs(cpu->hvf_fd, VMCS_GUEST_PDPTE0 + i * 2, pdpte[i]); } - - macvm_set_cr0(cpu->hvf_fd, 0x60000010); - - wvmcs(cpu->hvf_fd, VMCS_CR4_MASK, CR4_VMXE_MASK); - wvmcs(cpu->hvf_fd, VMCS_CR4_SHADOW, 0x0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_CR4, CR4_VMXE_MASK); - - /* set VMCS guest state fields */ - wvmcs(cpu->hvf_fd, VMCS_GUEST_CS_SELECTOR, 0xf000); - wvmcs(cpu->hvf_fd, VMCS_GUEST_CS_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_CS_ACCESS_RIGHTS, 0x9b); - wvmcs(cpu->hvf_fd, VMCS_GUEST_CS_BASE, 0xffff0000); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_DS_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_DS_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_DS_ACCESS_RIGHTS, 0x93); - wvmcs(cpu->hvf_fd, VMCS_GUEST_DS_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_ES_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_ES_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_ES_ACCESS_RIGHTS, 0x93); - wvmcs(cpu->hvf_fd, VMCS_GUEST_ES_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_FS_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_FS_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_FS_ACCESS_RIGHTS, 0x93); - wvmcs(cpu->hvf_fd, VMCS_GUEST_FS_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_GS_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_GS_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_GS_ACCESS_RIGHTS, 0x93); - wvmcs(cpu->hvf_fd, VMCS_GUEST_GS_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_SS_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_SS_LIMIT, 0xffff); - wvmcs(cpu->hvf_fd, VMCS_GUEST_SS_ACCESS_RIGHTS, 0x93); - wvmcs(cpu->hvf_fd, VMCS_GUEST_SS_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_LIMIT, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_ACCESS_RIGHTS, 0x10000); - wvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_TR_SELECTOR, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_TR_LIMIT, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_TR_ACCESS_RIGHTS, 0x83); - wvmcs(cpu->hvf_fd, VMCS_GUEST_TR_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_LIMIT, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_BASE, 0); - - wvmcs(cpu->hvf_fd, VMCS_GUEST_IDTR_LIMIT, 0); - wvmcs(cpu->hvf_fd, VMCS_GUEST_IDTR_BASE, 0); - - /*wvmcs(cpu->hvf_fd, VMCS_GUEST_CR2, 0x0);*/ - wvmcs(cpu->hvf_fd, VMCS_GUEST_CR3, 0x0); - - wreg(cpu->hvf_fd, HV_X86_RIP, 0xfff0); - wreg(cpu->hvf_fd, HV_X86_RDX, 0x623); - wreg(cpu->hvf_fd, HV_X86_RFLAGS, 0x2); - wreg(cpu->hvf_fd, HV_X86_RSP, 0x0); - wreg(cpu->hvf_fd, HV_X86_RAX, 0x0); - wreg(cpu->hvf_fd, HV_X86_RBX, 0x0); - wreg(cpu->hvf_fd, HV_X86_RCX, 0x0); - wreg(cpu->hvf_fd, HV_X86_RSI, 0x0); - wreg(cpu->hvf_fd, HV_X86_RDI, 0x0); - wreg(cpu->hvf_fd, HV_X86_RBP, 0x0); - - for (int i = 0; i < 8; i++) { - wreg(cpu->hvf_fd, HV_X86_R8 + i, 0x0); - } - - hv_vcpu_invalidate_tlb(cpu->hvf_fd); - hv_vcpu_flush(cpu->hvf_fd); } void hvf_vcpu_destroy(CPUState *cpu) From patchwork Wed Jun 24 22:58:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624489 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 376FB138C for ; Wed, 24 Jun 2020 23:05:20 +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 0DF8A20738 for ; 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Thu, 25 Jun 2020 02:00:59 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:58 +0300 From: Roman Bolshakov To: Subject: [PATCH 6/8] i386: hvf: Drop hvf_reset_vcpu() Date: Thu, 25 Jun 2020 01:58:49 +0300 Message-ID: <20200624225850.16982-7-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" It's worth to have a custom accel-specific reset in x86_cpu_reset() only if something related to CPUState has to be reset and that can't be done in post-init or post-reset. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- include/sysemu/hvf.h | 1 - target/i386/cpu.c | 3 --- target/i386/hvf/hvf.c | 23 +++++++++++------------ 3 files changed, 11 insertions(+), 16 deletions(-) diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h index aaa00cbf05..a1ab61403f 100644 --- a/include/sysemu/hvf.h +++ b/include/sysemu/hvf.h @@ -31,7 +31,6 @@ void hvf_cpu_synchronize_post_reset(CPUState *); void hvf_cpu_synchronize_post_init(CPUState *); void hvf_cpu_synchronize_pre_loadvm(CPUState *); void hvf_vcpu_destroy(CPUState *); -void hvf_reset_vcpu(CPUState *); #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") diff --git a/target/i386/cpu.c b/target/i386/cpu.c index b1b311baa2..bfa3eed9b6 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6089,9 +6089,6 @@ static void x86_cpu_reset(DeviceState *dev) if (kvm_enabled()) { kvm_arch_reset_vcpu(cpu); } - else if (hvf_enabled()) { - hvf_reset_vcpu(s); - } #endif } diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 2c4028d08c..0b2be8de47 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -303,6 +303,17 @@ void hvf_cpu_synchronize_state(CPUState *cpu_state) static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg) { CPUState *cpu_state = cpu; + uint64_t pdpte[4] = {0, 0, 0, 0}; + int i; + + /* Reset IA-32e mode guest (LMA) */ + wvmcs(cpu->hvf_fd, VMCS_ENTRY_CTLS, 0); + + /* Initialize PDPTE */ + for (i = 0; i < 4; i++) { + wvmcs(cpu->hvf_fd, VMCS_GUEST_PDPTE0 + i * 2, pdpte[i]); + } + hvf_put_registers(cpu_state); cpu_state->vcpu_dirty = false; } @@ -452,18 +463,6 @@ static MemoryListener hvf_memory_listener = { .log_sync = hvf_log_sync, }; -void hvf_reset_vcpu(CPUState *cpu) { - uint64_t pdpte[4] = {0, 0, 0, 0}; - int i; - - wvmcs(cpu->hvf_fd, VMCS_ENTRY_CTLS, 0); - - /* Initialize PDPTE */ - for (i = 0; i < 4; i++) { - wvmcs(cpu->hvf_fd, VMCS_GUEST_PDPTE0 + i * 2, pdpte[i]); - } -} - void hvf_vcpu_destroy(CPUState *cpu) { X86CPU *x86_cpu = X86_CPU(cpu); From patchwork Wed Jun 24 22:58:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624445 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CB16C90 for ; 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Thu, 25 Jun 2020 02:01:01 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 87AEE4C8AB; Thu, 25 Jun 2020 02:00:59 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:00:59 +0300 From: Roman Bolshakov To: Subject: [PATCH 7/8] i386: hvf: Clean up synchronize functions Date: Thu, 25 Jun 2020 01:58:50 +0300 Message-ID: <20200624225850.16982-8-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Eduardo Habkost , Cameron Esfahani , Roman Bolshakov , Claudio Fontana , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Make them more concise and consitent with the rest of the code in the file and drop non-relevant TODO. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- target/i386/hvf/hvf.c | 36 ++++++++++++++++-------------------- 1 file changed, 16 insertions(+), 20 deletions(-) diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 0b2be8de47..18fe843834 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -282,27 +282,24 @@ void hvf_handle_io(CPUArchState *env, uint16_t port, void *buffer, } } -/* TODO: synchronize vcpu state */ static void do_hvf_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg) { - CPUState *cpu_state = cpu; - if (cpu_state->vcpu_dirty == 0) { - hvf_get_registers(cpu_state); + if (!cpu->vcpu_dirty) { + hvf_get_registers(cpu); + cpu->vcpu_dirty = true; } - - cpu_state->vcpu_dirty = 1; } -void hvf_cpu_synchronize_state(CPUState *cpu_state) +void hvf_cpu_synchronize_state(CPUState *cpu) { - if (cpu_state->vcpu_dirty == 0) { - run_on_cpu(cpu_state, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL); + if (!cpu->vcpu_dirty) { + run_on_cpu(cpu, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL); } } -static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg) +static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu, + run_on_cpu_data arg) { - CPUState *cpu_state = cpu; uint64_t pdpte[4] = {0, 0, 0, 0}; int i; @@ -314,26 +311,25 @@ static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg wvmcs(cpu->hvf_fd, VMCS_GUEST_PDPTE0 + i * 2, pdpte[i]); } - hvf_put_registers(cpu_state); - cpu_state->vcpu_dirty = false; + hvf_put_registers(cpu); + cpu->vcpu_dirty = false; } -void hvf_cpu_synchronize_post_reset(CPUState *cpu_state) +void hvf_cpu_synchronize_post_reset(CPUState *cpu) { - run_on_cpu(cpu_state, do_hvf_cpu_synchronize_post_reset, RUN_ON_CPU_NULL); + run_on_cpu(cpu, do_hvf_cpu_synchronize_post_reset, RUN_ON_CPU_NULL); } static void do_hvf_cpu_synchronize_post_init(CPUState *cpu, run_on_cpu_data arg) { - CPUState *cpu_state = cpu; - hvf_put_registers(cpu_state); - cpu_state->vcpu_dirty = false; + hvf_put_registers(cpu); + cpu->vcpu_dirty = false; } -void hvf_cpu_synchronize_post_init(CPUState *cpu_state) +void hvf_cpu_synchronize_post_init(CPUState *cpu) { - run_on_cpu(cpu_state, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL); + run_on_cpu(cpu, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL); } static void do_hvf_cpu_synchronize_pre_loadvm(CPUState *cpu, From patchwork Wed Jun 24 22:58:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11624493 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E2F260D for ; Wed, 24 Jun 2020 23:06:59 +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 E82EE20738 for ; Wed, 24 Jun 2020 23:06:58 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Thu, 25 Jun 2020 02:01:00 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 25 Jun 2020 02:01:00 +0300 From: Roman Bolshakov To: Subject: [PATCH 8/8] MAINTAINERS: Add Cameron as HVF co-maintainer Date: Thu, 25 Jun 2020 01:58:51 +0300 Message-ID: <20200624225850.16982-9-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200624225850.16982-1-r.bolshakov@yadro.com> References: <20200624225850.16982-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 19:00:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Roman Bolshakov , Claudio Fontana , Cameron Esfahani Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Similar patch was sent a while ago but got lost. While at it, add a status wiki page. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 01e6b3fefe..f54a50cdb2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -417,7 +417,9 @@ F: target/i386/kvm.c F: scripts/kvm/vmxcap X86 HVF CPUs +M: Cameron Esfahani M: Roman Bolshakov +W: https://wiki.qemu.org/Features/HVF S: Maintained F: accel/stubs/hvf-stub.c F: target/i386/hvf/