From nobody Tue Feb 10 09:10:34 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=1567759039; cv=none; d=zoho.com; s=zohoarc; b=oSW6QBTY9S/1yCda1/cBcHa7hQTcF2cIHeFJSgsZb+sqFoIdtffNDYMWRNi4bQ++9CwgkM03LaTUfovH9539a8cIwTv3uNlgSb25WT5h4s+Cml1z9gJEtsqt+KsLnY2zO4lMTLzUUaCBnOVy4XVY5A+nfU51QDmnJGE+tgDjDvE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1567759039; h=Content-Type: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:ARC-Authentication-Results; bh=spTVW5Y07q9YJi1mXREDJ8rgkwJ0ETmXIUKHgob+/zA=; b=Go/xLWuE/gVSEL0l4o4IQ+3cDAclr2bD/LNy+9f1iryfPhFj+1q6+vzGOdZ2VXBRiSseR53gZQsDNjB5fqxDUwckavs7uv/BJUqkqFNjic6lNDJAmc3/spGP3610O0batlJ+Bm2NrzM+ancOLa8NUh0/v94dvx+gUW3/Hs+hWUk= 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 1567759039206868.3592256660468; Fri, 6 Sep 2019 01:37:19 -0700 (PDT) Received: from localhost ([::1]:53560 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i69k6-0006ef-2c for importer@patchew.org; Fri, 06 Sep 2019 04:37:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50204) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i69gO-0001zO-RS for qemu-devel@nongnu.org; Fri, 06 Sep 2019 04:33:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i69gM-0005bU-SK for qemu-devel@nongnu.org; Fri, 06 Sep 2019 04:33:28 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:51330 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i69gI-0005YD-Kb; Fri, 06 Sep 2019 04:33:22 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id AF3E2BC4DD8F5A5EE6DC; Fri, 6 Sep 2019 16:33:20 +0800 (CST) Received: from HGHY1z004218071.china.huawei.com (10.177.29.32) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.439.0; Fri, 6 Sep 2019 16:33:11 +0800 From: Xiang Zheng To: , , , , , , , , , , , , , , , , Date: Fri, 6 Sep 2019 16:31:50 +0800 Message-ID: <20190906083152.25716-5-zhengxiang9@huawei.com> X-Mailer: git-send-email 2.15.1.windows.2 In-Reply-To: <20190906083152.25716-1-zhengxiang9@huawei.com> References: <20190906083152.25716-1-zhengxiang9@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.29.32] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 45.249.212.35 Subject: [Qemu-devel] [PATCH v18 4/6] KVM: Move hwpoison page related functions into include/sysemu/kvm_int.h 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: wanghaibin.wang@huawei.com, zhengxiang9@huawei.com 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" From: Dongjiu Geng kvm_hwpoison_page_add() and kvm_unpoison_all() will both be used by X86 and ARM platforms, so moving them into "include/sysemu/kvm_int.h" to avoid duplicate code. Signed-off-by: Dongjiu Geng Signed-off-by: Xiang Zheng --- accel/kvm/kvm-all.c | 33 +++++++++++++++++++++++++++++++++ include/sysemu/kvm_int.h | 23 +++++++++++++++++++++++ target/arm/kvm.c | 3 +++ target/i386/kvm.c | 34 ---------------------------------- 4 files changed, 59 insertions(+), 34 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index b09bad0804..c6c052ba57 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -821,6 +821,39 @@ 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/sysemu/kvm_int.h b/include/sysemu/kvm_int.h index 72b2d1b3ae..3ad49f9a28 100644 --- a/include/sysemu/kvm_int.h +++ b/include/sysemu/kvm_int.h @@ -41,4 +41,27 @@ typedef struct KVMMemoryListener { void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml, AddressSpace *as, int as_id); =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); #endif diff --git a/target/arm/kvm.c b/target/arm/kvm.c index b2eaa50b8d..3a110be7b8 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -20,6 +20,7 @@ #include "sysemu/sysemu.h" #include "sysemu/kvm.h" #include "sysemu/kvm_int.h" +#include "sysemu/reset.h" #include "kvm_arm.h" #include "cpu.h" #include "trace.h" @@ -195,6 +196,8 @@ 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 8023c679ea..4f9f3682ee 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -476,40 +476,6 @@ uint32_t kvm_arch_get_supported_msr_feature(KVMState *= s, uint32_t index) return msr_data.entries[0].data; } =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 2.19.1