From nobody Tue Feb 10 03:15:50 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1557752892; cv=none; d=zoho.com; s=zohoarc; b=bvOye4h7xF0lgVSxMlX8CUiPy5QD52OWoLfwu8BPmdi3GwnkWgyWIpALcbypdZfj9tq99QhzyJWY15sIBbgq0HfV0Lg6EabchKI6MTNy6MaOkvh+qRZ9yLp0hRLcn4gp4IJJz+UOYAu0KyZlSKqMgHiXnuLmYYGiP5b3CkGuamY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1557752892; h=Content-Type: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:ARC-Authentication-Results; bh=Gra9/SavN5KAfAYkjvBDFVh1/Coh5UNAWwWkSTbKzEw=; b=PiHieK5AG2YNdYLTWDvHGC6mpEuLkZ6SEf7skajE8veEzurIvTzYh8xZ75umQYHenH9+ayeSHuWtcM5XtMpm96upc4Bo2fpBf5jcDpfeZV+EoJ7FCWlzCfT8daqsTWccZdqw+8dfpH+zLzKuyFs1Y8HmqP2xA6cf4JDyShyKsnY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1557752892073166.19670563881402; Mon, 13 May 2019 06:08:12 -0700 (PDT) Received: from localhost ([127.0.0.1]:57038 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQAga-0007h5-W3 for importer@patchew.org; Mon, 13 May 2019 09:08:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:50551) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQAbk-0003kQ-LG for qemu-devel@nongnu.org; Mon, 13 May 2019 09:03:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hQAM3-00088T-Ca for qemu-devel@nongnu.org; Mon, 13 May 2019 08:46:56 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2213 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hQAM1-000822-Mn; Mon, 13 May 2019 08:46:53 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 85D0D5AC91A39AB06236; Mon, 13 May 2019 20:46:48 +0800 (CST) Received: from ros.huawei.com (10.143.28.118) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Mon, 13 May 2019 20:46:39 +0800 From: Dongjiu Geng To: , , , , , , , , , , , , , , , , , Date: Mon, 13 May 2019 05:43:06 -0700 Message-ID: <1557751388-27063-9-git-send-email-gengdongjiu@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1557751388-27063-1-git-send-email-gengdongjiu@huawei.com> References: <1557751388-27063-1-git-send-email-gengdongjiu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.143.28.118] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 45.249.212.190 Subject: [Qemu-devel] [PATCH v16 08/10] KVM: Move related hwpoison page functions to accel/kvm/ folder X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" kvm_hwpoison_page_add() and kvm_unpoison_all() will be used both by X86 and ARM platforms, so move these functions to a common accel/kvm/ folder to avoid duplicate code. Signed-off-by: Dongjiu Geng --- accel/kvm/kvm-all.c | 33 +++++++++++++++++++++++++++++++++ include/exec/ram_addr.h | 24 ++++++++++++++++++++++++ target/arm/kvm.c | 3 +++ target/i386/kvm.c | 34 +--------------------------------- 4 files changed, 61 insertions(+), 33 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 524c4dd..b9f9f29 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -625,6 +625,39 @@ int kvm_vm_check_extension(KVMState *s, unsigned int e= xtension) return ret; } =20 +typedef struct HWPoisonPage { + ram_addr_t ram_addr; + QLIST_ENTRY(HWPoisonPage) list; +} HWPoisonPage; + +static QLIST_HEAD(, HWPoisonPage) hwpoison_page_list =3D + QLIST_HEAD_INITIALIZER(hwpoison_page_list); + +void kvm_unpoison_all(void *param) +{ + HWPoisonPage *page, *next_page; + + QLIST_FOREACH_SAFE(page, &hwpoison_page_list, list, next_page) { + QLIST_REMOVE(page, list); + qemu_ram_remap(page->ram_addr, TARGET_PAGE_SIZE); + g_free(page); + } +} + +void kvm_hwpoison_page_add(ram_addr_t ram_addr) +{ + HWPoisonPage *page; + + QLIST_FOREACH(page, &hwpoison_page_list, list) { + if (page->ram_addr =3D=3D ram_addr) { + return; + } + } + page =3D g_new(HWPoisonPage, 1); + page->ram_addr =3D ram_addr; + QLIST_INSERT_HEAD(&hwpoison_page_list, page, list); +} + static uint32_t adjust_ioeventfd_endianness(uint32_t val, uint32_t size) { #if defined(HOST_WORDS_BIGENDIAN) !=3D defined(TARGET_WORDS_BIGENDIAN) diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 139ad79..193b0a7 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -116,6 +116,30 @@ void qemu_ram_free(RAMBlock *block); =20 int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp); =20 +/** + * kvm_hwpoison_page_add: + * + * Parameters: + * @ram_addr: the address in the RAM for the poisoned page + * + * Add a poisoned page to the list + * + * Return: None. + */ +void kvm_hwpoison_page_add(ram_addr_t ram_addr); + +/** + * kvm_unpoison_all: + * + * Parameters: + * @param: some data may be passed to this function + * + * Free and remove all the poisoned pages in the list + * + * Return: None. + */ +void kvm_unpoison_all(void *param); + #define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1) #define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_COD= E)) =20 diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 5995634..6d3b25b 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -29,6 +29,7 @@ #include "exec/address-spaces.h" #include "hw/boards.h" #include "qemu/log.h" +#include "exec/ram_addr.h" =20 const KVMCapabilityInfo kvm_arch_required_capabilities[] =3D { KVM_CAP_LAST_INFO @@ -187,6 +188,8 @@ int kvm_arch_init(MachineState *ms, KVMState *s) =20 cap_has_mp_state =3D kvm_check_extension(s, KVM_CAP_MP_STATE); =20 + qemu_register_reset(kvm_unpoison_all, NULL); + return 0; } =20 diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 3b29ce5..9bdb879 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -46,6 +46,7 @@ #include "migration/blocker.h" #include "exec/memattrs.h" #include "trace.h" +#include "exec/ram_addr.h" =20 //#define DEBUG_KVM =20 @@ -467,39 +468,6 @@ uint32_t kvm_arch_get_supported_msr_feature(KVMState *= s, uint32_t index) } =20 =20 -typedef struct HWPoisonPage { - ram_addr_t ram_addr; - QLIST_ENTRY(HWPoisonPage) list; -} HWPoisonPage; - -static QLIST_HEAD(, HWPoisonPage) hwpoison_page_list =3D - QLIST_HEAD_INITIALIZER(hwpoison_page_list); - -static void kvm_unpoison_all(void *param) -{ - HWPoisonPage *page, *next_page; - - QLIST_FOREACH_SAFE(page, &hwpoison_page_list, list, next_page) { - QLIST_REMOVE(page, list); - qemu_ram_remap(page->ram_addr, TARGET_PAGE_SIZE); - g_free(page); - } -} - -static void kvm_hwpoison_page_add(ram_addr_t ram_addr) -{ - HWPoisonPage *page; - - QLIST_FOREACH(page, &hwpoison_page_list, list) { - if (page->ram_addr =3D=3D ram_addr) { - return; - } - } - page =3D g_new(HWPoisonPage, 1); - page->ram_addr =3D ram_addr; - QLIST_INSERT_HEAD(&hwpoison_page_list, page, list); -} - static int kvm_get_mce_cap_supported(KVMState *s, uint64_t *mce_cap, int *max_banks) { --=20 1.8.3.1