From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48IyVjMTADA5bSAzU1G4pX9j3mG6laZ/iiLN5fKST5PGoiEKe9A9EEuFxNHop0MVy5B/R8Q ARC-Seal: i=1; a=rsa-sha256; t=1523892354; cv=none; d=google.com; s=arc-20160816; b=C3YXvXS5FYVWQaOFh0Mx63R5yvBNMXLe/eMrhl7jymisAU8FMhQLEY4oh5Fu/QN7TH IZHsCCRCbCJx91DaA4PNhhMXwHIMr18AkNmUBKX548+t7W/BO6n08MKUWLu7WYCFI4/A EUe4rWOoOOsoW3+8Y7/c8CSsWHNlvCC61zQLXjhbvVy9NgK3foSeptLZGCSHfQEBD1Mg 7aypysLFTiugIB0mBdBwnC8xJ2UPgrA6AOQEmLXoylA1Qxse6SNawyCzPDlyPtqcK2ZK ItuH8m9tfceC/zNy8qLhCUVJ6A9lRl2trWQqmuUsrgcmM6UH4/sr5xEESS2k0hAWiHar 4GZQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=CliYgnZbmohA5O1xBxVSliAIvcy3J5hZOwxEIrmd3QM=; b=mDjm+ZySbepep2hTbyLCZrjEmqmDrA0hlUgqr7ry6nKo74RftHnl6eQAUbD5/dE5Eg +voihGs3x7r7K/zJGzuen4s7wyFv7yE6z31JMkPyVUj5D9lq7JlWTPdvBLx0PfvR0gjQ S7Tglpv79qDgB868LT4UJb6a7lV4GxcV+B6/vYaxcOeL0hmfRztizEY8fFJANHwIBt/0 Trt0FhE1jtQ1ZaF1YfFQcGv2qp7zVt/8eZxSUJFA/6+/WWi1tp5xh4B8ylApwT19YSuX ElFD35MvOs9G/K+IwUj80tVnqVFGQ8J26T0vdS1XWjA1Fi66KHvGJ70Q5lcpv14bhqum PbmA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=QJTpCh5p; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=QJTpCh5p; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org From: Joerg Roedel To: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andy Lutomirski , Dave Hansen , Josh Poimboeuf , Juergen Gross , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg KH , Will Deacon , aliguori@amazon.com, daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com, Andrea Arcangeli , Waiman Long , Pavel Machek , "David H . Gutteridge" , jroedel@suse.de, joro@8bytes.org Subject: [PATCH 33/35] x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32 Date: Mon, 16 Apr 2018 17:25:21 +0200 Message-Id: <1523892323-14741-34-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523892323-14741-1-git-send-email-joro@8bytes.org> References: <1523892323-14741-1-git-send-email-joro@8bytes.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597916949996737074?= X-GMAIL-MSGID: =?utf-8?q?1597916949996737074?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Joerg Roedel Allow PTI to be compiled on x86_32. Signed-off-by: Joerg Roedel --- security/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/Kconfig b/security/Kconfig index c430206..afa91c6 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -57,7 +57,7 @@ config SECURITY_NETWORK config PAGE_TABLE_ISOLATION bool "Remove the kernel mapping in user mode" default y - depends on X86_64 && !UML + depends on X86 && !UML help This feature reduces the number of hardware side channels by ensuring that the majority of kernel addresses are not mapped -- 2.7.4