From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on atuin.qyliss.net X-Spam-Level: X-Spam-Status: No, score=-1.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS autolearn=unavailable autolearn_force=no version=3.4.6 Received: from atuin.qyliss.net (localhost [IPv6:::1]) by atuin.qyliss.net (Postfix) with ESMTP id 5E315901F9; Mon, 10 Oct 2022 23:32:34 +0000 (UTC) Received: by atuin.qyliss.net (Postfix, from userid 496) id 5B7E9900F3; Mon, 10 Oct 2022 23:32:20 +0000 (UTC) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by atuin.qyliss.net (Postfix) with ESMTPS id 7B3E1900C9 for ; Mon, 10 Oct 2022 23:32:12 +0000 (UTC) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 047BA5C019F for ; Mon, 10 Oct 2022 19:32:08 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Mon, 10 Oct 2022 19:32:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alyssa.is; h=cc :content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1665444728; x=1665531128; bh=S9 a4RQKA+ZfvjkeryD1GyqqC73700MxyxJo1jYB6KxA=; b=Idam0iHMIVzfiTZzvL WU3L6Bl2Aa7Svps8DcQY7NRu+lzmJO2N4FKC622EKP9845xaAU4XsNB34v49h31y YlWcpFUEuneJZ1/3r2Up+9+1sp5lv11vNygB2weVQJKRVTJ2rNxnV675flyFLAnj h+E3cyNkKzb0KOcZpnv0y/TrfaAG/d/xLZnDJpz2gNH8ldLyOWZUVitAneUKStSG q5pzqvcDBLRmuVfnUxYi4RaXMGOZpjZKBkAfR616Uy+o19ITiA/IFCTI4udMr3YT VtfB+eYpUpuob/truRhrb1SNH21tVtZiIF+cfPEb8h0ow/suAYHAzsQh50etScEn q/Dw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; t=1665444728; x=1665531128; bh=S9a4RQKA+Zfvj keryD1GyqqC73700MxyxJo1jYB6KxA=; b=YYnpSZeZQ97755chrr/HL71O0D/AS Op/D8ZXVSYBlA7FXYNU26eESjGghxf627aSZttUCeKlXvEwnZGEfG7CgWbfhsJrN 9JiH3MUvfoLWtZlhk6ycRRmoNpK3hfc2V/2LZbw6tr5bCvrar8ayf8ianBa2hKe8 k3OV7MIshEOht/rVydo7gxYEvWXqnbUr6QPTeeyNoHTmTk1ibR9CfCQXXPK74KCm yq4+xM03KnrU11tcJW8uU7jJM6l7LYMKAqscWPkdDfr8HUH9yrhwt791g2CZw+gA gH+47xnd4m2Y55ROQpmrj+NxmBET8t6YgzqigLuB6DUu+kVIsoquHXEPA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeejhedgvdduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlhihsshgrucftohhsshcuoehhihesrghlhihsshgrrdhi sheqnecuggftrfgrthhtvghrnhepgfefudekvdelieelledufeevheeglefggedvudejvd dtffeuueevffehleejkedvnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehm rghilhhfrhhomhepqhihlhhishhsseigvddvtddrqhihlhhishhsrdhnvght X-ME-Proxy: Feedback-ID: i12284293:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA for ; Mon, 10 Oct 2022 19:32:07 -0400 (EDT) Received: by x220.qyliss.net (Postfix, from userid 1000) id E15B3CBE; Mon, 10 Oct 2022 23:32:05 +0000 (UTC) From: Alyssa Ross To: devel@spectrum-os.org Subject: [PATCH 01/22] host/start-vm: use MAP_SHARED memory for VMs Date: Mon, 10 Oct 2022 23:28:41 +0000 Message-Id: <20221010232909.1953738-2-hi@alyssa.is> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221010232909.1953738-1-hi@alyssa.is> References: <20221010232909.1953738-1-hi@alyssa.is> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: SROFPNIW7HTSJNK22A74BQLYOA4SQAER X-Message-ID-Hash: SROFPNIW7HTSJNK22A74BQLYOA4SQAER X-MailFrom: qyliss@x220.qyliss.net X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-devel.spectrum-os.org-0; header-match-devel.spectrum-os.org-1; header-match-devel.spectrum-os.org-2; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.5 Precedence: list List-Id: Patches and low-level development discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This is required for any use of vhost-user. Since any VM might have a vhost-user device hotplugged, this needs to be on from the start for all VMs. Signed-off-by: Alyssa Ross --- host/start-vm/lib.rs | 2 +- host/start-vm/tests/vm_command-basic.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/host/start-vm/lib.rs b/host/start-vm/lib.rs index ef79091..9a92ab7 100644 --- a/host/start-vm/lib.rs +++ b/host/start-vm/lib.rs @@ -44,7 +44,7 @@ pub fn vm_command(dir: PathBuf, config_root: &Path) -> Result { command.arg("cloud-hypervisor"); command.args(&["--api-socket", "env/cloud-hypervisor.sock"]); command.args(&["--cmdline", "console=ttyS0 root=PARTLABEL=root"]); - command.args(&["--memory", "size=128M"]); + command.args(&["--memory", "size=128M,shared=on"]); command.args(&["--console", "pty"]); command.arg("--kernel"); command.arg(config_dir.join("vmlinux")); diff --git a/host/start-vm/tests/vm_command-basic.rs b/host/start-vm/tests/vm_command-basic.rs index b9585f9..4145b94 100644 --- a/host/start-vm/tests/vm_command-basic.rs +++ b/host/start-vm/tests/vm_command-basic.rs @@ -37,7 +37,7 @@ fn main() -> std::io::Result<()> { OsStr::new("--cmdline"), OsStr::new("console=ttyS0 root=PARTLABEL=root"), OsStr::new("--memory"), - OsStr::new("size=128M"), + OsStr::new("size=128M,shared=on"), OsStr::new("--console"), OsStr::new("pty"), OsStr::new("--kernel"), -- 2.37.1