From patchwork Thu Nov 8 10:29:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongjiu Geng X-Patchwork-Id: 10673977 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4B10713AD for ; Thu, 8 Nov 2018 10:43:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3689C2CF65 for ; Thu, 8 Nov 2018 10:43:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 265B12D39F; Thu, 8 Nov 2018 10:43:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AEE072CF65 for ; Thu, 8 Nov 2018 10:43:10 +0000 (UTC) Received: from localhost ([::1]:55742 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gKhmF-0007Pd-Q7 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 08 Nov 2018 05:43:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43868) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gKhcS-0003GX-Dw for qemu-devel@nongnu.org; Thu, 08 Nov 2018 05:33:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gKhcR-0000Rk-7G for qemu-devel@nongnu.org; Thu, 08 Nov 2018 05:33:00 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:46186 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gKhcK-0000Fn-3O; Thu, 08 Nov 2018 05:32:52 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 288591C0281A; Thu, 8 Nov 2018 18:32:41 +0800 (CST) Received: from ros.huawei.com (10.143.28.118) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.408.0; Thu, 8 Nov 2018 18:32:33 +0800 From: Dongjiu Geng To: , , , , , , , , , , , , , , , Date: Thu, 8 Nov 2018 02:29:46 -0800 Message-ID: <1541672989-15967-8-git-send-email-gengdongjiu@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1541672989-15967-1-git-send-email-gengdongjiu@huawei.com> References: <1541672989-15967-1-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 3.x X-Received-From: 45.249.212.32 Subject: [Qemu-devel] [PATCH RESEND v15 07/10] 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 --- Address Peter's comments to move related hwpoison page function to accel/kvm folder in [1] Address Paolo's comments to move HWPoisonPage definition back to accel/kvm/kvm-all.c [1]: 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 | 33 +++++++++++++++++++++++++++++++++ include/exec/ram_addr.h | 5 +++++ target/i386/kvm.c | 33 --------------------------------- 3 files changed, 38 insertions(+), 33 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 4880a05..003deac 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 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/exec/ram_addr.h b/include/exec/ram_addr.h index 9ecd911..1e02fb9 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -115,6 +115,11 @@ void qemu_ram_free(RAMBlock *block); int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp); +/* Add a poisoned page to the list */ +void kvm_hwpoison_page_add(ram_addr_t ram_addr); +/* Free and remove all the poisoned pages in the list */ +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_CODE)) diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 796a049..08b3feb 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -457,39 +457,6 @@ uint32_t kvm_arch_get_supported_msr_feature(KVMState *s, uint32_t index) } -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) {