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Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 1/5] hw/intc/apic: Use ERRP_GUARD() in apic_common_realize() Date: Tue, 3 Oct 2023 10:27:24 +0200 Message-ID: <20231003082728.83496-2-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=philmd@linaro.org; helo=mail-wr1-x433.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1696321736834100009 APICCommonClass::realize() is a DeviceRealize() handler which take an Error** parameter and can fail. Do not proceed further on failure. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Peter Xu --- hw/intc/apic_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index 68ad30e2f5..bccb4241c2 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -257,6 +257,7 @@ static const VMStateDescription vmstate_apic_common; =20 static void apic_common_realize(DeviceState *dev, Error **errp) { + ERRP_GUARD(); APICCommonState *s =3D APIC_COMMON(dev); APICCommonClass *info; static DeviceState *vapic; @@ -267,6 +268,9 @@ static void apic_common_realize(DeviceState *dev, Error= **errp) =20 info =3D APIC_COMMON_GET_CLASS(s); info->realize(dev, errp); + if (*errp) { + return; + } =20 /* Note: We need at least 1M to map the VAPIC option ROM */ if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK && --=20 2.41.0 From nobody Fri May 17 07:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1696321718; cv=none; d=zohomail.com; s=zohoarc; b=MeCGZ2tVZjAHx+iFuHn+tTaZxUzAuVCAQDRO2gZFrRl3RQO/5+DlsAZ9WKnK4Fr10MIn6TqmNJQrNcWj9+t/MrNFBjb5je3aAl5RK8P62QxyD+uYc/gJBDcyk7oJszgdPjA+ke9hx1i5GGaWoXl1IWUQ5ZEvlHyvayFDwu4rI6U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1696321718; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=+NncaZm4Rq7ypawzJ8HayEn0g0SZFapHip8wBEcGgdE=; b=IQovda82fEhez3TDsTOJZ6nqbv/6KpTExhsE2foyWyyXz4oGlZCmPvX0v02ibUwVqUIa1pvRFhMS/NWcAbPOe1Cz7fHAlwP6yEw8qYA23FTRWbYZzSi9lKx4p7fOTDEQz9z0QeiD1Ws93XHjY7h4Ud93Aon/ohXhI0Xhux5mB1s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1696321718444282.93503723900426; Tue, 3 Oct 2023 01:28:38 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnakz-0005Ss-L7; Tue, 03 Oct 2023 04:27:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnakw-0005Rn-Ay for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:27:50 -0400 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnakt-00080X-VC for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:27:50 -0400 Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-40666aa674fso6071415e9.0 for ; Tue, 03 Oct 2023 01:27:47 -0700 (PDT) Received: from m1x-phil.lan (176-131-222-246.abo.bbox.fr. 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Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 2/5] hw/i386/apic: Defer error check from apic_get_class to kvm_apic_realize Date: Tue, 3 Oct 2023 10:27:25 +0200 Message-ID: <20231003082728.83496-3-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1696321720906100003 apic_get_class() isn't supposed to fail. kvm_apic_realize() is DeviceRealize() handler, which can fail. Defer the error check to the latter. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/i386/kvm/apic.c | 5 +++++ target/i386/cpu-sysemu.c | 8 -------- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c index 1e89ca0899..4883308247 100644 --- a/hw/i386/kvm/apic.c +++ b/hw/i386/kvm/apic.c @@ -228,6 +228,11 @@ static void kvm_apic_realize(DeviceState *dev, Error *= *errp) { APICCommonState *s =3D APIC_COMMON(dev); =20 + if (!kvm_irqchip_in_kernel()) { + error_setg(errp, "KVM does not support userspace APIC"); + return; + } + memory_region_init_io(&s->io_memory, OBJECT(s), &kvm_apic_io_ops, s, "kvm-apic-msi", APIC_SPACE_SIZE); =20 diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 2375e48178..6a228c9178 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -253,10 +253,6 @@ APICCommonClass *apic_get_class(Error **errp) =20 /* TODO: in-kernel irqchip for hvf */ if (kvm_enabled()) { - if (!kvm_irqchip_in_kernel()) { - error_setg(errp, "KVM does not support userspace APIC"); - return NULL; - } apic_type =3D "kvm-apic"; } else if (xen_enabled()) { apic_type =3D "xen-apic"; @@ -272,10 +268,6 @@ void x86_cpu_apic_create(X86CPU *cpu, Error **errp) APICCommonState *apic; APICCommonClass *apic_class =3D apic_get_class(errp); =20 - if (!apic_class) { - return; - } - cpu->apic_state =3D DEVICE(object_new_with_class(OBJECT_CLASS(apic_cla= ss))); object_property_add_child(OBJECT(cpu), "lapic", OBJECT(cpu->apic_state)); --=20 2.41.0 From nobody Fri May 17 07:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1696321736; cv=none; d=zohomail.com; s=zohoarc; b=j02ViZ8F1yVX7VM3FCEWqtOUDebdTA7EHBybdbvQ3oNKtZvDa6thuYiJ1kSrW8WJ0NLE0WVudIDY62fOqhz8YptHO7hx5ShOim5uEX3tIaAel3XhP1Rpx1NhO2oQGW8V5C/AsWUQtz54j0qTXR8mhr8hE+zgm3DODz7XV2U7f3A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1696321736; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=FLDFiGj6aFnMNrOsUcD90TH387DbLMzLOhHMLFfm8as=; b=NhmnFon5OW7Y52N7P9F0luRilNCGexdUG9JenfC/aen64723dzKXh98RAyEY0Wys254Ru6dxYV2+00SaxPkNyfOZ19q71iJNQ9j5EE4MwPxuKLUqXItsltpq6yGl69MGUNapC4tIdyAqIMcHxQ3MpS+jqd+HA11HgYWNkoWZgSU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1696321736057240.40148914340705; Tue, 3 Oct 2023 01:28:56 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnal4-0005Tb-8J; Tue, 03 Oct 2023 04:27:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnal3-0005TL-0e for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:27:57 -0400 Received: from mail-lf1-x12d.google.com ([2a00:1450:4864:20::12d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnal1-00083W-C9 for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:27:56 -0400 Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-5041d6d8b10so766786e87.2 for ; Tue, 03 Oct 2023 01:27:54 -0700 (PDT) Received: from m1x-phil.lan (176-131-222-246.abo.bbox.fr. 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Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 3/5] hw/i386/apic: Simplify apic_get_class() Date: Tue, 3 Oct 2023 10:27:26 +0200 Message-ID: <20231003082728.83496-4-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::12d; envelope-from=philmd@linaro.org; helo=mail-lf1-x12d.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1696321737944100015 Now than apic_get_class() can not fail, remove its Error** parameter. It can't return NULL neither, so simplify x86_cpu_apic_create(). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Peter Xu --- include/hw/i386/apic_internal.h | 2 +- hw/i386/amd_iommu.c | 2 +- hw/i386/intel_iommu.c | 4 ++-- target/i386/cpu-sysemu.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_interna= l.h index 5f2ba24bfc..e61ad04769 100644 --- a/include/hw/i386/apic_internal.h +++ b/include/hw/i386/apic_internal.h @@ -225,6 +225,6 @@ static inline int apic_get_bit(uint32_t *tab, int index) return !!(tab[i] & mask); } =20 -APICCommonClass *apic_get_class(Error **errp); +APICCommonClass *apic_get_class(void); =20 #endif /* QEMU_APIC_INTERNAL_H */ diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index c98a3c6e11..0a95025ab7 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1368,7 +1368,7 @@ static MemTxResult amdvi_mem_ir_write(void *opaque, h= waddr addr, return MEMTX_ERROR; } =20 - apic_get_class(NULL)->send_msi(&to); + apic_get_class()->send_msi(&to); =20 trace_amdvi_mem_ir_write(to.address, to.data); return MEMTX_OK; diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 2c832ab68b..dffe3583bd 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -397,7 +397,7 @@ static void vtd_generate_interrupt(IntelIOMMUState *s, = hwaddr mesg_addr_reg, =20 trace_vtd_irq_generate(msi.address, msi.data); =20 - apic_get_class(NULL)->send_msi(&msi); + apic_get_class()->send_msi(&msi); } =20 /* Generate a fault event to software via MSI if conditions are met. @@ -3554,7 +3554,7 @@ static MemTxResult vtd_mem_ir_write(void *opaque, hwa= ddr addr, return MEMTX_ERROR; } =20 - apic_get_class(NULL)->send_msi(&to); + apic_get_class()->send_msi(&to); =20 return MEMTX_OK; } diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 6a228c9178..9038c65267 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -247,7 +247,7 @@ void x86_cpu_machine_reset_cb(void *opaque) cpu_reset(CPU(cpu)); } =20 -APICCommonClass *apic_get_class(Error **errp) +APICCommonClass *apic_get_class(void) { const char *apic_type =3D "apic"; =20 @@ -266,7 +266,7 @@ APICCommonClass *apic_get_class(Error **errp) void x86_cpu_apic_create(X86CPU *cpu, Error **errp) { APICCommonState *apic; - APICCommonClass *apic_class =3D apic_get_class(errp); + APICCommonClass *apic_class =3D apic_get_class(); =20 cpu->apic_state =3D DEVICE(object_new_with_class(OBJECT_CLASS(apic_cla= ss))); object_property_add_child(OBJECT(cpu), "lapic", --=20 2.41.0 From nobody Fri May 17 07:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1696321750; cv=none; d=zohomail.com; s=zohoarc; b=nx/nuT3n/KCpqnOyoVNEyI+7ZrIAVCLR9/bLxpWfBf9oYxCyMWCci66fi8sYFFFMyE2tKGPWRFOSaMya7SHmY/OK7pVJJjIFRESUBJLJ/G2BkMEBQa229M6oL+MH+7kWbGMjehWQKmHX3oxP/Vfv5ZBPXmyqXQMSZXeEsCmgEG4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1696321750; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=6tbksfbbfGHxqsqPubKWDwtMEoe2M3iP09KnCYcyqbI=; b=I9QDGK+b/Na8PooCURepyFi8mcYYVWBbZfKzhIgHyJDZXnjGwlikAqq+Z9BXBjQatYIA/0BUVXAJuwi47WTy7dY2PkHznytgarj4RAuEOnX4FFBC1YMFFYaCbvQ9mHjfZagw0upXFy5I6FDKtPFY7aA82dZVpeNEuX9Rmtpz3Io= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1696321750789107.03094469654638; Tue, 3 Oct 2023 01:29:10 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnalC-0005Up-Rv; Tue, 03 Oct 2023 04:28:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnal9-0005UZ-Kd for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:28:03 -0400 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnal7-00087R-Vr for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:28:03 -0400 Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-3248e90f032so701773f8f.1 for ; Tue, 03 Oct 2023 01:28:01 -0700 (PDT) Received: from m1x-phil.lan (176-131-222-246.abo.bbox.fr. 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Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 4/5] hw/intc/apic: Rename x86_cpu_apic_create() -> x86_cpu_apic_new() Date: Tue, 3 Oct 2023 10:27:27 +0200 Message-ID: <20231003082728.83496-5-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=philmd@linaro.org; helo=mail-wr1-x433.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1696321752370100002 x86_cpu_apic_create()'s Error** parameter is unused, drop it. While there is no convention, QDev methods are usually named with _new() / _realize() suffixes. Rename as appropriate. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Peter Xu --- target/i386/cpu-internal.h | 2 +- hw/intc/apic_common.c | 2 +- target/i386/cpu-sysemu.c | 2 +- target/i386/cpu.c | 5 +---- 4 files changed, 4 insertions(+), 7 deletions(-) diff --git a/target/i386/cpu-internal.h b/target/i386/cpu-internal.h index 9baac5c0b4..8299b347f7 100644 --- a/target/i386/cpu-internal.h +++ b/target/i386/cpu-internal.h @@ -62,7 +62,7 @@ GuestPanicInformation *x86_cpu_get_crash_info(CPUState *c= s); void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v, const char *name, void *opaque, Error **er= rp); =20 -void x86_cpu_apic_create(X86CPU *cpu, Error **errp); +void x86_cpu_apic_new(X86CPU *cpu); void x86_cpu_apic_realize(X86CPU *cpu, Error **errp); void x86_cpu_machine_reset_cb(void *opaque); #endif /* !CONFIG_USER_ONLY */ diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index bccb4241c2..8a79eacdb0 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -451,7 +451,7 @@ static void apic_common_class_init(ObjectClass *klass, = void *data) dc->unrealize =3D apic_common_unrealize; /* * Reason: APIC and CPU need to be wired up by - * x86_cpu_apic_create() + * x86_cpu_apic_new() */ dc->user_creatable =3D false; } diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 9038c65267..373dc6b1c7 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -263,7 +263,7 @@ APICCommonClass *apic_get_class(void) return APIC_COMMON_CLASS(object_class_by_name(apic_type)); } =20 -void x86_cpu_apic_create(X86CPU *cpu, Error **errp) +void x86_cpu_apic_new(X86CPU *cpu) { APICCommonState *apic; APICCommonClass *apic_class =3D apic_get_class(); diff --git a/target/i386/cpu.c b/target/i386/cpu.c index ed72883bf3..69d56bae91 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7418,10 +7418,7 @@ static void x86_cpu_realizefn(DeviceState *dev, Erro= r **errp) qemu_register_reset(x86_cpu_machine_reset_cb, cpu); =20 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || ms->smp.cpus > 1) { - x86_cpu_apic_create(cpu, &local_err); - if (local_err !=3D NULL) { - goto out; - } + x86_cpu_apic_new(cpu); } #endif =20 --=20 2.41.0 From nobody Fri May 17 07:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1696321778; cv=none; d=zohomail.com; s=zohoarc; b=ZNw3/GlX5ch4DAct5LGMuEYQNGC3YhXcngN5SmBCTYfdmcmQjRMcRWkfN50O/ziXSC76p/rC9DU28Ml8o2cpSr7aDuLgA/I6WrjVt/hDH0gobuKb8W/SLrYER5kwUBcOdpKCF7hTIPecXXyxEmrKZw7WWPiXTv6anU95bAChcYE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1696321778; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=SqRKfDmguxU9p8cA86t//6SsyEhs/b5kalnp32Nd8Eo=; b=n8BXjxr1i1CiCp5XrfnoKMtPPrAWENp8IBkcX2YIvxOjcd+DGW+rTWYPUqqJ4qxuf9UTuOUuGjjBVpPAOJRrzzjQtkk70yJOCPUBzvOLFZrs5/yAoEX64q1gbOWHX8WNL1WFpFf2Ol3uzwm0bIORzQndGL/3cOTmjhrHiVTQd3A= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1696321778470591.5278848695684; Tue, 3 Oct 2023 01:29:38 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnald-0005Zv-6A; Tue, 03 Oct 2023 04:28:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnalR-0005Vz-Vd for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:28:22 -0400 Received: from mail-lf1-x132.google.com ([2a00:1450:4864:20::132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnalF-00089J-KW for qemu-devel@nongnu.org; Tue, 03 Oct 2023 04:28:11 -0400 Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-5041335fb9cso729247e87.0 for ; Tue, 03 Oct 2023 01:28:09 -0700 (PDT) Received: from m1x-phil.lan (176-131-222-246.abo.bbox.fr. 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Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 5/5] hw/intc/apic: Pass CPU using QOM link property Date: Tue, 3 Oct 2023 10:27:28 +0200 Message-ID: <20231003082728.83496-6-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::132; envelope-from=philmd@linaro.org; helo=mail-lf1-x132.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1696321780275100003 QOM objects shouldn't access each other internals fields except using the QOM API. Declare the 'cpu' and 'base-addr' properties, set them using object_property_set_link() and qdev_prop_set_uint32() respectively. Since the _set_link() call can't fail, use &error_abort in case there is a programming error. Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/intc/apic_common.c | 2 ++ target/i386/cpu-sysemu.c | 9 ++++----- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index 8a79eacdb0..be7cf3b332 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -398,6 +398,8 @@ static Property apic_properties_common[] =3D { true), DEFINE_PROP_BOOL("legacy-instance-id", APICCommonState, legacy_instanc= e_id, false), + DEFINE_PROP_LINK("cpu", APICCommonState, cpu, TYPE_X86_CPU, X86CPU *), + DEFINE_PROP_UINT32("base-addr", APICCommonState, apicbase, 0), DEFINE_PROP_END_OF_LIST(), }; =20 diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 373dc6b1c7..b084706531 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -265,7 +265,6 @@ APICCommonClass *apic_get_class(void) =20 void x86_cpu_apic_new(X86CPU *cpu) { - APICCommonState *apic; APICCommonClass *apic_class =3D apic_get_class(); =20 cpu->apic_state =3D DEVICE(object_new_with_class(OBJECT_CLASS(apic_cla= ss))); @@ -273,11 +272,11 @@ void x86_cpu_apic_new(X86CPU *cpu) OBJECT(cpu->apic_state)); object_unref(OBJECT(cpu->apic_state)); =20 + object_property_set_link(OBJECT(cpu->apic_state), "cpu", + OBJECT(cpu), &error_abort); qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); - /* TODO: convert to link<> */ - apic =3D APIC_COMMON(cpu->apic_state); - apic->cpu =3D cpu; - apic->apicbase =3D APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; + qdev_prop_set_uint32(cpu->apic_state, "base-addr", + APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE); } =20 void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) --=20 2.41.0