From patchwork Fri Sep 6 08:31:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiang Zheng X-Patchwork-Id: 11134765 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 58057924 for ; Fri, 6 Sep 2019 08:33:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4631A20854 for ; Fri, 6 Sep 2019 08:33:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388611AbfIFIdW (ORCPT ); Fri, 6 Sep 2019 04:33:22 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:46448 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388188AbfIFIdW (ORCPT ); Fri, 6 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: , , , , , , , , , , , , , , , , CC: , Subject: [PATCH v18 4/6] KVM: Move hwpoison page related functions into include/sysemu/kvm_int.h 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 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 extension) return ret; } +typedef struct HWPoisonPage { + ram_addr_t ram_addr; + QLIST_ENTRY(HWPoisonPage) list; +} HWPoisonPage; + +static QLIST_HEAD(, HWPoisonPage) hwpoison_page_list = + 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 == ram_addr) { + return; + } + } + page = g_new(HWPoisonPage, 1); + page->ram_addr = 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) != 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); +/** + * 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) cap_has_mp_state = kvm_check_extension(s, KVM_CAP_MP_STATE); + qemu_register_reset(kvm_unpoison_all, NULL); + return 0; } 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; } - -typedef struct HWPoisonPage { - ram_addr_t ram_addr; - QLIST_ENTRY(HWPoisonPage) list; -} HWPoisonPage; - -static QLIST_HEAD(, HWPoisonPage) hwpoison_page_list = - 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 == ram_addr) { - return; - } - } - page = g_new(HWPoisonPage, 1); - page->ram_addr = 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) {