Message ID | 20190809160047.8319-61-alazar@bitdefender.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> 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 A6CD36C5 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:04:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 913B91FE82 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:04:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8173B200DF; Fri, 9 Aug 2019 16:04:03 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D90A1FE82 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:04:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 796776B0293; Fri, 9 Aug 2019 12:01:28 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 74B6C6B0295; Fri, 9 Aug 2019 12:01:28 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6354E6B0297; Fri, 9 Aug 2019 12:01:28 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by kanga.kvack.org (Postfix) with ESMTP id 162BF6B0293 for <linux-mm@kvack.org>; Fri, 9 Aug 2019 12:01:28 -0400 (EDT) Received: by mail-wr1-f70.google.com with SMTP id j10so3893175wrb.16 for <linux-mm@kvack.org>; Fri, 09 Aug 2019 09:01:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=DiQE1S1ZZkQXnne2PNnTbedvnTzw0WiHKgWhPeB5E7M=; b=P1NT4rpWYlpfolcMAxlCLL60fi0GhJatn8z0SjwokjdbIF1pN559Y2eSrZYRduJa8E s5RzDaXTu4ItVHMgxcWJEgrggJC/qNoBcRv0/VU7Tqf1cA02UbapwpsZ0Jc9TMr8JW0Q 8FO5P/NL3Q2brPFVxB9S9sYaclcj9eDApPKbTNOGFj2SzZnE6hErSPb/nOUX8S/3pUTV mLs4G8qb2ffFnJHlD0/3zbzrsfg2zWPXxNshMdIC5jqg/T6vrTYmrepl7fy5MB4xbI6b KJ/0/XmAlF/J72n7Pokn/UB05EYq8jeYzpCUG6k9DUzgHtLZLb7BFSZftTOnbx51hSII dJsQ== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com X-Gm-Message-State: APjAAAVFQm1j8w0r8FVAlv4R0joZphcDxcwZ/39umr4Wf/xrEe6dsLZZ Hvf9HG9I0c/wLmEjs55iXREOkx0B4yh+oHwvnzcSrpgTe7ZCvHt56RN4AOVa7gV35e/J+misV/c RGjRas6qF3FMnyQol8Ue/htPUC0N0/cg7t9ea0tfKC1LayMDOJyU4wKSixNYkvannuA== X-Received: by 2002:adf:dd0f:: with SMTP id a15mr7475048wrm.265.1565366487677; Fri, 09 Aug 2019 09:01:27 -0700 (PDT) X-Google-Smtp-Source: APXvYqyEHF6KF+jog7uu+WTLDUSfeq6S0LYhxbsz27RCxfdvvfXBuAf/TLzU8Vz8MqArBqeuZEK6 X-Received: by 2002:adf:dd0f:: with SMTP id a15mr7474978wrm.265.1565366486784; Fri, 09 Aug 2019 09:01:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565366486; cv=none; d=google.com; s=arc-20160816; b=FFz/n871KpKOJFxAVbhwXkqL5I9TpA8GJZYlrWzbAr5+uBXkB9/iUip78Sr5Ss4Jtt jj+Nb8u89AouqK1jmZVk6I5lT7ca4YxJBsn1cOqY8UJGo18jFxB2/hq7Uq6+lqFrdKfr eQr5ySvxLUdC8drh+c34t22KRJDwkgB68++yJV5sywAfMmJ2LRMJnk46Kf7kDnX4gOYQ daOfSgFZrSam7FnZwpBSxjfg4FpvFrnmwWmj0J5EEalij2FYqdCh0rpqFX/DZSwKK6KH UU6tuYqtp/hZEeXaxD8wp4dwH3rQ/rv/TNitG9lpYg39yd/4vjVoK/tDOO/wbqiKHfZb +6ag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=DiQE1S1ZZkQXnne2PNnTbedvnTzw0WiHKgWhPeB5E7M=; b=uyN4J4F50HabtM9s6VRM00aLBsZQz2fz10NKMGYxwW58F8AbeIIVDwmV7Ncyh3Sqfg Z3ZbOO1djEan8I9AONFHlNaJTL4wy7kOve/tlDz32lrO0JQcTXmYaoJRCi3xUfdZKhoR t+RPNJieAwg1uQ4M0nSxb42qChjkV7qRkgfkRLBYfDc/kmR+lG5XITJzu24acwaGsWvO xby3KIANB3bcu8V+hFWdkQm0YH7+Y+e3qo3NbKAgL5aKFicxcZe+oOjBT9q0EkwGKQvz DEGvH7OMdkSZdsRF3/abd84acTMSm3c1RuaXx21I6a3S9nnw+dAy1XmUoQg+8VMsMZ5U bphw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com Received: from mx01.bbu.dsd.mx.bitdefender.com (mx01.bbu.dsd.mx.bitdefender.com. [91.199.104.161]) by mx.google.com with ESMTPS id h7si1459194wmc.110.2019.08.09.09.01.26 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Aug 2019 09:01:26 -0700 (PDT) Received-SPF: pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) client-ip=91.199.104.161; Authentication-Results: mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id 3B25D305D351; Fri, 9 Aug 2019 19:01:26 +0300 (EEST) Received: from localhost.localdomain (unknown [89.136.169.210]) by smtp.bitdefender.com (Postfix) with ESMTPSA id D37A5305B7A0; Fri, 9 Aug 2019 19:01:25 +0300 (EEST) From: =?utf-8?q?Adalbert_Laz=C4=83r?= <alazar@bitdefender.com> To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, virtualization@lists.linux-foundation.org, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= <rkrcmar@redhat.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Tamas K Lengyel <tamas@tklengyel.com>, Mathieu Tarral <mathieu.tarral@protonmail.com>, =?utf-8?q?Samuel_Laur=C3=A9?= =?utf-8?q?n?= <samuel.lauren@iki.fi>, Patrick Colp <patrick.colp@oracle.com>, Jan Kiszka <jan.kiszka@siemens.com>, Stefan Hajnoczi <stefanha@redhat.com>, Weijiang Yang <weijiang.yang@intel.com>, Zhang@kvack.org, Yu C <yu.c.zhang@intel.com>, =?utf-8?q?Mihai_Don=C8=9Bu?= <mdontu@bitdefender.com>, =?utf-8?q?Adalbert_L?= =?utf-8?q?az=C4=83r?= <alazar@bitdefender.com> Subject: [RFC PATCH v6 60/92] kvm: x86: add kvm_arch_vcpu_set_guest_debug() Date: Fri, 9 Aug 2019 19:00:15 +0300 Message-Id: <20190809160047.8319-61-alazar@bitdefender.com> In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> References: <20190809160047.8319-1-alazar@bitdefender.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
VM introspection
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expand
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diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 278a286ba262..e633f297e86d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8747,14 +8747,12 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, return ret; } -int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg) +int kvm_arch_vcpu_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) { unsigned long rflags; int i, r; - vcpu_load(vcpu); - if (dbg->control & (KVM_GUESTDBG_INJECT_DB | KVM_GUESTDBG_INJECT_BP)) { r = -EBUSY; if (vcpu->arch.exception.pending) @@ -8800,10 +8798,20 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, r = 0; out: - vcpu_put(vcpu); return r; } +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) +{ + int ret; + + vcpu_load(vcpu); + ret = kvm_arch_vcpu_set_guest_debug(vcpu, dbg); + vcpu_put(vcpu); + return ret; +} + /* * Translate a guest virtual address to a guest physical address. */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 3aad3b96107b..691c24598b4d 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -804,6 +804,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state); int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg); +int kvm_arch_vcpu_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg); int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, struct kvm_xsave *guest_xsave);
This function is need in order to intercept breakpoints and send KVMI_EVENT_BREAKPOINT events to the introspection tool. Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com> --- arch/x86/kvm/x86.c | 18 +++++++++++++----- include/linux/kvm_host.h | 2 ++ 2 files changed, 15 insertions(+), 5 deletions(-)