Message ID | 20201222200245.lfDSG5aGm%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=3xAm=F2=kvack.org=owner-linux-mm@kernel.org> 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 C3A5BC433E6 for <linux-mm@archiver.kernel.org>; Tue, 22 Dec 2020 20:03:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6CA3320867 for <linux-mm@archiver.kernel.org>; Tue, 22 Dec 2020 20:03:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CA3320867 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D21AC8D0037; Tue, 22 Dec 2020 15:02:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CD1DF8D0035; Tue, 22 Dec 2020 15:02:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B733D8D0037; Tue, 22 Dec 2020 15:02:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0043.hostedemail.com [216.40.44.43]) by kanga.kvack.org (Postfix) with ESMTP id 9E2928D0035 for <linux-mm@kvack.org>; Tue, 22 Dec 2020 15:02:48 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 637BD3638 for <linux-mm@kvack.org>; Tue, 22 Dec 2020 20:02:48 +0000 (UTC) X-FDA: 77621991216.25.run18_2f02df427462 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id 360771804E3A8 for <linux-mm@kvack.org>; Tue, 22 Dec 2020 20:02:48 +0000 (UTC) X-HE-Tag: run18_2f02df427462 X-Filterd-Recvd-Size: 3508 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf29.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 22 Dec 2020 20:02:47 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 2224220700; Tue, 22 Dec 2020 20:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608667366; bh=rn5Neti983/U06+GwPVruLgh6wBz38/ROfpXbbmR6Qk=; h=Date:From:To:Subject:In-Reply-To:From; b=y4bLIbM8OatYgZuYkvWE2Xn3m3hJspUTWrfDCm+sIWtzCQsBg137yfQipDsst/EwX 0Ct+/p49oe34TZTCxUosVdjhsV8dsedK0LtiT+/fJcFlTsRtr59hPYO+4jaKkOIkVU SmS+5/gFuO7Y0LC7AUCATSjuX3+1qIc+9q4ku98g= Date: Tue, 22 Dec 2020 12:02:45 -0800 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, andreyknvl@google.com, aryabinin@virtuozzo.com, Branislav.Rankov@arm.com, catalin.marinas@arm.com, dvyukov@google.com, elver@google.com, eugenis@google.com, glider@google.com, gor@linux.ibm.com, kevin.brodsky@arm.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vincenzo.frascino@arm.com, will.deacon@arm.com Subject: [patch 46/60] kasan: allow VMAP_STACK for HW_TAGS mode Message-ID: <20201222200245.lfDSG5aGm%akpm@linux-foundation.org> In-Reply-To: <20201222115844.d30aaef7df6f5b120d3e0c3d@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
[01/60] kasan: drop unnecessary GPL text from comment headers
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expand
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--- a/arch/Kconfig~kasan-allow-vmap_stack-for-hw_tags-mode +++ a/arch/Kconfig @@ -976,16 +976,16 @@ config VMAP_STACK default y bool "Use a virtually-mapped stack" depends on HAVE_ARCH_VMAP_STACK - depends on !KASAN || KASAN_VMALLOC + depends on !KASAN || KASAN_HW_TAGS || KASAN_VMALLOC help Enable this if you want the use virtually-mapped kernel stacks with guard pages. This causes kernel stack overflows to be caught immediately rather than causing difficult-to-diagnose corruption. - To use this with KASAN, the architecture must support backing - virtual mappings with real shadow memory, and KASAN_VMALLOC must - be enabled. + To use this with software KASAN modes, the architecture must support + backing virtual mappings with real shadow memory, and KASAN_VMALLOC + must be enabled. config ARCH_OPTIONAL_KERNEL_RWX def_bool n