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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68F30C38A24 for ; Thu, 7 May 2020 17:28:41 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3F610218AC for ; Thu, 7 May 2020 17:28:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="q9vSQ10V"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="gckFiA8A" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F610218AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7lEQzpjhXs2EhZ5sFynAgPALRod1r14quAcGQk2f/E4=; b=q9vSQ10VWy3Fnj OXp2mrCcy0YwxK7+nSH5j+zORY1YYShj/smLbOGYsrOwq7zpAJKU6twQhPYtnckswE6joJX1i1n2D Z8xU9uRTAUOAcpR7Zc57bO3NM1n2Bee28YXpLLA33KW5eUE52ZwnOcSOt3UPO9mgKsSwN9pV+VhFA J1JnpJYv9mJp0NXEK+9iJVo8IiquE7MCGPgE3IRehqbqtKNXSfzGap88XquPoaDaezhQ472Hfd5Mg QaQPIvneUI0+9mtQMpt17SEd9vT010zMoYNV154f13aSCF3QBMa3Cd5V6JBInFmGMjCMZS+4HdPFy aCnUFfPNJbN/n3U8LMxQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWkK6-0000aF-GD; Thu, 07 May 2020 17:28:38 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWkHQ-0006SK-PL for linux-arm-kernel@lists.infradead.org; Thu, 07 May 2020 17:25:55 +0000 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5D5DF20A8B; Thu, 7 May 2020 17:25:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588872352; bh=9KNeEZ9yT61LM+tDy3iWpNwrPJvjApeusNann5XiEp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gckFiA8AzP9avJzQvY6yESOfc83RkFITRA/qDCh+5xRpEdt2ex2XCTj9nRDBwrCoG SjtCKiR2H97ff3sIyo4x96aSg9yZXr4dKCX6/Uey61w+GHhSIzoikOjwWLhwL+x+7M 6yU+OtbKfCh4eP5pFkIWOA7RjbqyZReb+B2m8EjA= From: Will Deacon To: Vincenzo Frascino , Mark Brown , Catalin Marinas Subject: Re: [PATCH v3 00/11] arm64: BTI kernel and vDSO support Date: Thu, 7 May 2020 18:25:45 +0100 Message-Id: <158887040257.259348.5991230542535891850.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200506195138.22086-1-broonie@kernel.org> References: <20200506195138.22086-1-broonie@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_102552_849065_1128F856 X-CRM114-Status: GOOD ( 12.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kees Cook , Daniel Borkmann , Jean-Philippe Brucker , Amit Kachhap , Will Deacon , Dave Martin , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 6 May 2020 20:51:27 +0100, Mark Brown wrote: > This patch series adds support for protecting the kernel and vDSO with > BTI including code compiled with the BPF JIT at runtime. > > We build the kernel with annotations for BTI and then map the kernel > with GP based on the support on the boot CPU, rejecting secondaries that > don't have BTI support. If there is a need to handle big.LITTLE systems > with mismatched BTI support we will have to revisit this, currently no > such implementations exist. > > [...] Applied to arm64 (for-next/bti), thanks! [01/11] arm64: Document why we enable PAC support for leaf functions https://git.kernel.org/arm64/c/717b938e22f8 [02/11] arm64: bti: Support building kernel C code using BTI https://git.kernel.org/arm64/c/92e2294d870b [03/11] arm64: asm: Override SYM_FUNC_START when building the kernel with BTI https://git.kernel.org/arm64/c/714a8d02ca4d [04/11] arm64: Set GP bit in kernel page tables to enable BTI for the kernel https://git.kernel.org/arm64/c/c8027285e366 [05/11] arm64: bpf: Annotate JITed code for BTI https://git.kernel.org/arm64/c/fa76cfe65c1d [06/11] arm64: mm: Mark executable text as guarded pages https://git.kernel.org/arm64/c/67d4a1cd0976 [07/11] arm64: bti: Provide Kconfig for kernel mode BTI https://git.kernel.org/arm64/c/97fed779f2a6 [08/11] arm64: asm: Provide a mechanism for generating ELF note for BTI https://git.kernel.org/arm64/c/3a9b136c998f [09/11] arm64: vdso: Annotate for BTI https://git.kernel.org/arm64/c/a6aadc28278a [10/11] arm64: vdso: Force the vDSO to be linked as BTI when built for BTI https://git.kernel.org/arm64/c/5e02a1887fce [11/11] arm64: vdso: Map the vDSO text with guarded pages when built for BTI https://git.kernel.org/arm64/c/bf740a905ffe Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel