From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C10A3C54ED0 for ; Fri, 23 May 2025 15:09:49 +0000 (UTC) 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=Ljbv2UZc4775MkR1sduizciyGx3hL2CFviKxbonWcXY=; b=IaeX46wzMlwGY+DN9gSV+3sUeE p8BjT8WQNFRegvNe8+kfL6wulvP/otxERBp9DH4bMCH8BpINv2aqHx+3McqQNEoKAvIZVvyCYNkdD PFVufs+r8YboWyTjdpcx13sC+uc/O6h5ncD+bhB7ghyHmwvdHJjEWBBMLDDx3qNNczOqqfg2q8n1R MvZR2EQaYwbrwKUGOas/vc7Cj6AgJJXgDVM4WxQ9l7vO4nqVp7v6Ei08DmnL/noPYRWs+eaIetHyk JYZETzpoQ3RQaoRp3Ez7hjaEEw4ekOPBWdP3jiKvkUoCC0qOqW1n/vhNc81vhOhstMyhues9q0jhy 3iHS7YNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIU1o-00000004CEf-1VnW; Fri, 23 May 2025 15:09:44 +0000 Received: from mail-pl1-x649.google.com ([2607:f8b0:4864:20::649]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uITUM-0000000450O-0rok for linux-riscv@lists.infradead.org; Fri, 23 May 2025 14:35:11 +0000 Received: by mail-pl1-x649.google.com with SMTP id d9443c01a7336-22de54b0b97so88784565ad.2 for ; Fri, 23 May 2025 07:35:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1748010909; x=1748615709; 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=OHIXFovAEYPRF7pj3DkvXM+Wh6ry7OAZQdb2dc5cgKo=; b=or+foCvlsCc6cf7irW9FxFDk03rFyGa6h8Vy67Nt/OpId9cSPq9gR4Z0Cf+XGUjfNq OrYUQVobEgBfh55/NDjkiQVzmm6+oGxWwzxYNumgTy/LB9aH4zQibBN7+q+POxXEupLB x+Tk87CHvB9Bpa+Dfy+c2Am82Ao82rwBLbMp0gXyny1xqmKh4hXjEhyMfvgNncGMxpNR 7aEDHfiskY43ix+NQ8krvm4b5PBpUkP0dzKqDZ+VbgV9husSeaWrvH7cZJ47QsYD+Cmi XGsK01U6zNMoQzrgQLgvN4qRu609WNQ7qc4CduaPSKuvKNKCJms7R/fZQqlyZIOl9lX6 uAZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748010909; x=1748615709; 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=OHIXFovAEYPRF7pj3DkvXM+Wh6ry7OAZQdb2dc5cgKo=; b=GmInqFHxGKJHaSGQEJXRVOZ90LQCxlpQ16ZInfM6CifllRVmE7tJfX3gqqQEEPNLix rSklUiTZ29YDAvvaasUc9k6Xyd/YF5l04rjXtW+SbxwgN2LkROPXUFNaCltlzbg+kQVI BMgcirmXgsLHbeWsfYTafRzoanhTlNM3GJ84VBGU+2QjNoX3HrasFni6lsEUIPBbrgX4 Ft7NgVpmPaJ2sTr2rxo8NFz7QvTPWMZqcFuGdVRrC1WJvNmz2gCSe82Fnh3lx5hFikcr tAO4/AcZF16iP+W+6YPVU+GagGf09E7H1duL2Vt524X7OnWU1Sugee+7GUPGFInYwyF1 o1cQ== X-Forwarded-Encrypted: i=1; AJvYcCW7aWDScvFi7l8LFwf4VPDfKSsbiWJ4asXgOhzdopMT+6G3gn4Q9YAp0xwvKJkNJ9OQ6PI95KMLaYCjew==@lists.infradead.org X-Gm-Message-State: AOJu0YwJ5KfpAahOMYdlvwGZEL1u6CDlMaJmogvPEiU6Lc+DdzocbajP mHg+Qv/CK3Uj0kW0QGO1bKuCjHjTWaAxBVTsDaFVS+nvC1XnMbT65Ew4VhDM5Z5YQgnN3tPJkFq GMHQ1yQ== X-Google-Smtp-Source: AGHT+IFz7sb0nLy8RLNRfKCeKqRGA0z4OYWQ9Q5+lv5cIKJ3DXiQQbAp7L//6YajGR6GltgQpVeH/+sDQGY= X-Received: from plka13.prod.google.com ([2002:a17:903:f8d:b0:231:def0:d268]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:41c7:b0:224:1221:1ab4 with SMTP id d9443c01a7336-231de317b43mr439457305ad.22.1748010908457; Fri, 23 May 2025 07:35:08 -0700 (PDT) Date: Fri, 23 May 2025 07:35:03 -0700 In-Reply-To: <20250523043935.2009972-4-kees@kernel.org> Mime-Version: 1.0 References: <20250523043251.it.550-kees@kernel.org> <20250523043935.2009972-4-kees@kernel.org> Message-ID: Subject: Re: [PATCH v2 04/14] x86: Handle KCOV __init vs inline mismatches From: Sean Christopherson To: Kees Cook Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Paolo Bonzini , Vitaly Kuznetsov , Henrique de Moraes Holschuh , Hans de Goede , "Ilpo =?utf-8?B?SsOkcnZpbmVu?=" , "Rafael J. Wysocki" , Len Brown , Masami Hiramatsu , Ard Biesheuvel , Mike Rapoport , Michal Wilczynski , Juergen Gross , Andy Shevchenko , "Kirill A. Shutemov" , Roger Pau Monne , David Woodhouse , Usama Arif , "Guilherme G. Piccoli" , Thomas Huth , Brian Gerst , kvm@vger.kernel.org, ibm-acpi-devel@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-acpi@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, "Gustavo A. R. Silva" , Christoph Hellwig , Marco Elver , Andrey Konovalov , Andrey Ryabinin , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kselftest@vger.kernel.org, sparclinux@vger.kernel.org, llvm@lists.linux.dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250523_073510_239301_40B852F6 X-CRM114-Status: GOOD ( 11.05 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, May 22, 2025, Kees Cook wrote: > diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c > index 921c1c783bc1..72f13d643fca 100644 > --- a/arch/x86/kernel/kvm.c > +++ b/arch/x86/kernel/kvm.c > @@ -420,7 +420,7 @@ static u64 kvm_steal_clock(int cpu) > return steal; > } > > -static inline void __set_percpu_decrypted(void *ptr, unsigned long size) > +static __always_inline void __set_percpu_decrypted(void *ptr, unsigned long size) I'd rather drop the "inline" and explicitly mark this "__init". There's value in documenting and enforcing that memory is marked decrypted/shared only during boot. > { > early_set_memory_decrypted((unsigned long) ptr, size); > } _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv