Message ID | 20250110-asi-rfc-v2-v2-29-8419288bc805@google.com |
---|---|
State | New |
Headers | show
Return-Path: <linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=2QPhiIP2; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=hSpQDkQD; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=iqgBYsht; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4YV9Wk3hpJz1ycM for <incoming@patchwork.ozlabs.org>; Sat, 11 Jan 2025 05:42:58 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=EXAvPydOn4JGbMzCcPQDZ0C086egqpbYq4onzoG7rVw=; b=2QPhiIP2I+VxVNWn7psUNU9+Ps vvnGFNuguruVJpfej3PWG29gTR3lqyaAVeoG5qY5vG9MfRv+fmrXXYjLtEjxYupxwMIfX7DnGHswU ppKxPgh4SA/BTAXF24BnZoD5TWN7GxqHfikyF6Zv9SaMkSbVcY+y0q8WrSdatiDc/+FnAJDEoTNqn 9Sg16W9cq2sn2Uk2bTOJ1qOAImxPIbgWL3DaX9zAQGnpjztQ0PCR1kE4mnz9MjZL90Cl82TloNyaB 9lWQ8xQ1K8sU00kQq2G0U+a9i2tbi9luJN7YsCZvW6um/yTDYyZ7zbTPcIPVve7OcsHYsa0ugDpd4 wUakMX7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tWJyE-0000000GcT9-0OYt; Fri, 10 Jan 2025 18:42:58 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tWJxF-0000000Gc3s-13sX for linux-snps-arc@bombadil.infradead.org; Fri, 10 Jan 2025 18:41:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:Cc:To:From:Subject: Message-ID:References:Mime-Version:In-Reply-To:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=t56obMWOlMyKyO7q6Si1cnEbfn2qyXwrpnzxR+4ONcI=; b=hSpQDkQDGOjfdvifojSIiuY5Bd aBJQfDre1afrujOxRCuEeaU2+UonPEYUiO9nr72pC8vq1GenE0SVBfYypYc14xZ3GyAwnFkaf2AlI tz0//v/wpD4g16GUGyjiNRLhXPxn+gBiGuxJvp0S7ru2khz5WZVqhi7N6sRmVfNtlz8k3QvjeDTlc A0QBGdn9zjIICLmflhULluIrZlKBdVTu0HTC09CGeTZQ/EtCWWVZkpYIVB4GZo6r4zg3hT2gFzbmM /JlFvzGv3bVyVlkCjljBnubA2qp4poGUd7oh18HCmNiuFJoInVe/ZbSQ+H3tIRtLRH5nzrPMX23tx 2v0VF28A==; Received: from mail-wr1-x44a.google.com ([2a00:1450:4864:20::44a]) by casper.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tWJxB-0000000EBY6-0XTk for linux-snps-arc@lists.infradead.org; Fri, 10 Jan 2025 18:41:56 +0000 Received: by mail-wr1-x44a.google.com with SMTP id ffacd0b85a97d-38a35a65575so1747298f8f.1 for <linux-snps-arc@lists.infradead.org>; Fri, 10 Jan 2025 10:41:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1736534511; x=1737139311; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=t56obMWOlMyKyO7q6Si1cnEbfn2qyXwrpnzxR+4ONcI=; b=iqgBYshtD8GWwIf/nvQbEXu9FOquhQvGgiUyDKZPcTaANtqEfE/JbmfWixMhPeUkBp sjxAYT3AwkTEPDVE4wk8uZUv7libglHHgUULBFoKlhDZeQ0wLGDyJIqAi30+ivj1RPWo 9muoA4/OnERlgJVLCgD3q7cJR5gqYJMgolIM50tcOldkG9ob5dJpB5NS3ei+JRQu78nv yDYSkAyBHSaKhiB6yOOxSY74MnqisrYRE0kJC9FQbz/aAfK4qA4uGbs4V8TQQXnZL7VW a4fyjppmYkOjpfW/LYcZECxRO/1fRAXGgKFbQhmNaFyVh9oNPMoZoFvUKZv3lCx4eis4 3hZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736534511; x=1737139311; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=t56obMWOlMyKyO7q6Si1cnEbfn2qyXwrpnzxR+4ONcI=; b=FladOIkLv1R48MYMkITkj897xqJmhC25aJp6xLhgN+DEp8Qc6CNYACkJr2ZlO6gPyZ NbOR/MwGmt/AkK2K+79denEiQOVMGmRSIgmQyxRZC06+Sroto9wUU+cm/uLkpQFK18oX L3O+QVka5y96En8HqU0DZvp1FrhthCdQNde44l0LnpJYiKJVBjuZn2KnNRCc/HkvwQik AOml0SJY1fiMip3wXog5FHI6K4pmCeGFzL4g5eYL/p72vGboUL4/YLGmT8jcYbuduwps RUeFqGraA+Thpvc5rPRInz+6Nd8Zz8rsmmlDq58K3Tl7DRyYZ+O4Ck21kKQ4scsEODNw Frag== X-Forwarded-Encrypted: i=1; AJvYcCUTcjpCmCIAfGXnaY6+mdZ3GuAhmWbpkSSVxiSZZiNMFtJxXVQAF9t2EgvzFC/196NoC7Q93uruvNetW23RDQ==@lists.infradead.org X-Gm-Message-State: AOJu0YwhuauFDKT3RzXbH5u04trkwTXv209SEWaOC1kldgNBPT8LCvS+ M7tKy9dDNE3JcZUUQuDZ3t1oZWg79POCKNWAf7DKpNJS1AcibuVrpNlgcXwYT5ZqTBeN+qx9Rf0 5LIvwovYyKw== X-Google-Smtp-Source: AGHT+IHNze04KHr3mNrPu4oWzk1uJr6kUgfUG8uUPvBwU8SZTj2uxyjbDaOwELGdGilpgEGrHE3bExV1JNVQyA== X-Received: from wmba16.prod.google.com ([2002:a05:600c:6dd0:b0:434:f350:9fc]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:70a:b0:38a:4184:1519 with SMTP id ffacd0b85a97d-38a873051e1mr10550801f8f.23.1736534511095; Fri, 10 Jan 2025 10:41:51 -0800 (PST) Date: Fri, 10 Jan 2025 18:40:55 +0000 In-Reply-To: <20250110-asi-rfc-v2-v2-0-8419288bc805@google.com> Mime-Version: 1.0 References: <20250110-asi-rfc-v2-v2-0-8419288bc805@google.com> X-Mailer: b4 0.15-dev Message-ID: <20250110-asi-rfc-v2-v2-29-8419288bc805@google.com> Subject: [PATCH RFC v2 29/29] mm: asi: Stop ignoring asi=on cmdline flag From: Brendan Jackman <jackmanb@google.com> To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Andy Lutomirski <luto@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Richard Henderson <richard.henderson@linaro.org>, Matt Turner <mattst88@gmail.com>, Vineet Gupta <vgupta@kernel.org>, Russell King <linux@armlinux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>, Brian Cain <bcain@quicinc.com>, Huacai Chen <chenhuacai@kernel.org>, WANG Xuerui <kernel@xen0n.name>, Geert Uytterhoeven <geert@linux-m68k.org>, Michal Simek <monstr@monstr.eu>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Dinh Nguyen <dinguyen@kernel.org>, Jonas Bonn <jonas@southpole.se>, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>, Stafford Horne <shorne@gmail.com>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>, Christophe Leroy <christophe.leroy@csgroup.eu>, Naveen N Rao <naveen@kernel.org>, Madhavan Srinivasan <maddy@linux.ibm.com>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Heiko Carstens <hca@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Alexander Gordeev <agordeev@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Sven Schnelle <svens@linux.ibm.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Rich Felker <dalias@libc.org>, John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>, "David S. Miller" <davem@davemloft.net>, Andreas Larsson <andreas@gaisler.com>, Richard Weinberger <richard@nod.at>, Anton Ivanov <anton.ivanov@cambridgegreys.com>, Johannes Berg <johannes@sipsolutions.net>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>, Juri Lelli <juri.lelli@redhat.com>, Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Valentin Schneider <vschneid@redhat.com>, Uladzislau Rezki <urezki@gmail.com>, Christoph Hellwig <hch@infradead.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Mike Rapoport <rppt@kernel.org>, Arnaldo Carvalho de Melo <acme@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>, Sean Christopherson <seanjc@google.com>, Paolo Bonzini <pbonzini@redhat.com>, Ard Biesheuvel <ardb@kernel.org>, Josh Poimboeuf <jpoimboe@kernel.org>, Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, Brendan Jackman <jackmanb@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250110_184153_178683_FFAEAA47 X-CRM114-Status: GOOD ( 15.39 ) X-Spam-Score: -9.9 (---------) X-Spam-Report: SpamAssassin version 4.0.1 on casper.infradead.org summary: Content analysis details: (-9.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:44a listed in] [list.dnswl.org] -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM welcome-list -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.4 DKIMWL_WL_MED DKIMwl.org - Medium trust sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors <linux-snps-arc.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-snps-arc/> List-Post: <mailto:linux-snps-arc@lists.infradead.org> List-Help: <mailto:linux-snps-arc-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" <linux-snps-arc-bounces@lists.infradead.org> Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
Address Space Isolation (ASI)
|
expand
|
diff --git a/arch/x86/mm/asi.c b/arch/x86/mm/asi.c index f10f6614b26148e5ba423d8a44f640674573ee40..3e3956326936ea8550308ad004dbbb3738546f9f 100644 --- a/arch/x86/mm/asi.c +++ b/arch/x86/mm/asi.c @@ -207,14 +207,14 @@ void __init asi_check_boottime_disable(void) pr_info("ASI disabled through kernel command line.\n"); } else if (ret == 2 && !strncmp(arg, "on", 2)) { enabled = true; - pr_info("Ignoring asi=on param while ASI implementation is incomplete.\n"); + pr_info("ASI enabled through kernel command line.\n"); } else { pr_info("ASI %s by default.\n", enabled ? "enabled" : "disabled"); } if (enabled) - pr_info("ASI enablement ignored due to incomplete implementation.\n"); + setup_force_cpu_cap(X86_FEATURE_ASI); } /*
At this point the minimum requirements are in place for the kernel to operate correctly with ASI enabled. Signed-off-by: Brendan Jackman <jackmanb@google.com> --- arch/x86/mm/asi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)