From patchwork Fri Nov 10 19:19:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongjiu Geng X-Patchwork-Id: 836692 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yYHc93xLlz9s4s for ; Fri, 10 Nov 2017 22:19:21 +1100 (AEDT) Received: from localhost ([::1]:41131 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eD7LD-0004N4-Ic for incoming@patchwork.ozlabs.org; Fri, 10 Nov 2017 06:19:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55172) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eD7HJ-0001k6-SN for qemu-devel@nongnu.org; Fri, 10 Nov 2017 06:15:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eD7HI-000116-46 for qemu-devel@nongnu.org; Fri, 10 Nov 2017 06:15:17 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2284) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1eD7HC-0000lm-Im; Fri, 10 Nov 2017 06:15:11 -0500 Received: from 172.30.72.60 (EHLO DGGEMS403-HUB.china.huawei.com) ([172.30.72.60]) by dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DKR46789; Fri, 10 Nov 2017 19:14:16 +0800 (CST) Received: from localhost.localdomain (10.143.28.90) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.361.1; Fri, 10 Nov 2017 19:14:06 +0800 From: Dongjiu Geng To: , , , , , , , , , , , , , , , , , , , , Date: Sat, 11 Nov 2017 03:19:48 +0800 Message-ID: <1510341591-22817-10-git-send-email-gengdongjiu@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1510341591-22817-1-git-send-email-gengdongjiu@huawei.com> References: <1510341591-22817-1-git-send-email-gengdongjiu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.143.28.90] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090206.5A058A08.0288, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 76d605c08465bd9afdc89af2c2540451 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.191 Subject: [Qemu-devel] [PATCH v12 09/12] Move related hwpoison page function 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" kvm_hwpoison_page_add() and kvm_unpoison_all() will be used by both X86 and ARM platforms, so move them to a common accel/kvm/ folder to avoid duplicate code. Signed-off-by: Dongjiu Geng --- Moving related hwpoison page function to accel/kvm folder is suggested here: https://lists.gnu.org/archive/html/qemu-arm/2017-09/msg00077.html https://lists.gnu.org/archive/html/qemu-arm/2017-09/msg00152.html --- accel/kvm/kvm-all.c | 29 +++++++++++++++++++++++++++++ include/exec/ram_addr.h | 10 ++++++++++ target/i386/kvm.c | 33 --------------------------------- 3 files changed, 39 insertions(+), 33 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 46ce479..72ab615 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -564,6 +564,34 @@ int kvm_vm_check_extension(KVMState *s, unsigned int extension) return ret; } +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) @@ -2279,6 +2307,7 @@ bool kvm_arm_supports_user_irq(void) return kvm_check_extension(kvm_state, KVM_CAP_ARM_USER_IRQ); } + #ifdef KVM_CAP_SET_GUEST_DEBUG struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, target_ulong pc) diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index d017639..afe34b1 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -49,6 +49,11 @@ struct RAMBlock { unsigned long *unsentmap; }; +typedef struct HWPoisonPage { + ram_addr_t ram_addr; + QLIST_ENTRY(HWPoisonPage) list; +} HWPoisonPage; + static inline bool offset_in_ramblock(RAMBlock *b, ram_addr_t offset) { return (b && b->host && offset < b->used_length) ? true : false; @@ -80,6 +85,11 @@ void qemu_ram_free(RAMBlock *block); int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp); +/* Free and remove all the poisoned pages in the list */ +void kvm_unpoison_all(void *param); +/* Add a poisoned page to the list */ +void kvm_hwpoison_page_add(ram_addr_t ram_addr); + #define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1) #define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE)) diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 6db7783..3e1afb6 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -390,39 +390,6 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function, 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); - -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) {