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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1951AC433EF for ; Mon, 6 Dec 2021 21:13:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 501596B006C; Mon, 6 Dec 2021 16:12:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4BAF46B0085; Mon, 6 Dec 2021 16:12:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 378156B008A; Mon, 6 Dec 2021 16:12:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0203.hostedemail.com [216.40.44.203]) by kanga.kvack.org (Postfix) with ESMTP id 289E36B006C for ; Mon, 6 Dec 2021 16:12:50 -0500 (EST) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id D88191826CFA7 for ; Mon, 6 Dec 2021 21:12:39 +0000 (UTC) X-FDA: 78888618438.18.D0363DC Received: from mail-il1-f170.google.com (mail-il1-f170.google.com [209.85.166.170]) by imf22.hostedemail.com (Postfix) with ESMTP id 8296B1900 for ; Mon, 6 Dec 2021 21:12:39 +0000 (UTC) Received: by mail-il1-f170.google.com with SMTP id w4so11593223ilv.12 for ; Mon, 06 Dec 2021 13:12:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WX4eafM7XhN/ysEQz94cWOqdqAJNO4s4yHfaCN6LFrM=; b=a7s44yX/G/AazNfR6mMKB05zFGA+bvHIBBmyalE+/MFrGhfLosJWrCOtebUpxYqqlb 5TaPh1SfZZOidPIvbPa0iljl+pLyN9A1AML3++tPDK6Z3sIPNcReIa0dvxdRdZpupvCw kVN6OQ7akCjS1F8593fMAM0RDEgObW1EYH+DJ6LyCaU9Jt2vKPVjFgCOAIrvXjqyoJbr BwwLzOs4wqlQJNoOMTsJrOEJgXnZ1vGIoUGxTMmHDHY6X16yhmILJkJwdB4mw3M609gv gtM2xOpNtxeOUiWsW9fa04S5tJDZPAttnW0vYTjBEQ44i/6n6m+oFmAY8isgVPr+lHDd 1VqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WX4eafM7XhN/ysEQz94cWOqdqAJNO4s4yHfaCN6LFrM=; b=Zh6ni+KoiwgdD6jALP+qUrkw8pWNWrcwZZoYw9ow8uo1Hs6yFH60P0DnsKhr8XTUkA lCicYfX9/8/RpRuWg+354dR4J2g1RYju1KUC3nnn4o1bt0z6v+tygx46BVjjz00YjKqj tvxvoKJgKR+gPX9gNScxkzFicUYllPyBL39GGCZ8fiienL7XtYD1PUuclTJVxHmyteTv +jR+FfZRj3W/ojU6VWSi8jBMa2IyvBzAg6nbxFOyzqw6yz4nu4cHVKhhTwwlBtfO7UJz Gcjdl8GdXsSG105b3ndgGfjWjOwxLxtmQPULv6x9jgJehsAe67XmFelAseG+bvAfiKmm A1hw== X-Gm-Message-State: AOAM530FJB6e67JTNIsKdYEDvYHamiD4Rs9eynwxk834qfr4nua2g9Sj 9YISYunzCV56Jl7DNz5WXwqgMMwl7/rtTGja/80= X-Google-Smtp-Source: ABdhPJyg921Y+M9sfYj+3RNZXwJKhGfiGimgdocguthZUeHI+TeBhlANZ0rmC91vuJj3ytkOWhNo/7oTfCXUC6UbVFs= X-Received: by 2002:a05:6e02:1d1b:: with SMTP id i27mr37229873ila.248.1638825159053; Mon, 06 Dec 2021 13:12:39 -0800 (PST) MIME-Version: 1.0 References: <8557e32739e38d3cdf409789c2b3e1b405c743f4.1638308023.git.andreyknvl@google.com> In-Reply-To: From: Andrey Konovalov Date: Mon, 6 Dec 2021 22:12:28 +0100 Message-ID: Subject: Re: [PATCH 24/31] kasan, vmalloc, arm64: mark vmalloc mappings as pgprot_tagged To: Marco Elver Cc: andrey.konovalov@linux.dev, Alexander Potapenko , Vincenzo Frascino , Catalin Marinas , Peter Collingbourne , Dmitry Vyukov , kasan-dev , Andrew Morton , Linux Memory Management List , Will Deacon , Linux ARM , Evgenii Stepanov , LKML , Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="a7s44yX/"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf22.hostedemail.com: domain of andreyknvl@gmail.com designates 209.85.166.170 as permitted sender) smtp.mailfrom=andreyknvl@gmail.com X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 8296B1900 X-Stat-Signature: gq4d1kqqk53runyit16r91cqae894y7y X-HE-Tag: 1638825159-904294 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: On Fri, Dec 3, 2021 at 1:42 PM Marco Elver wrote: > > On Tue, Nov 30, 2021 at 11:07PM +0100, andrey.konovalov@linux.dev wrote: > > From: Andrey Konovalov > > > > HW_TAGS KASAN relies on ARM Memory Tagging Extension (MTE). With MTE, > > a memory region must be mapped as MT_NORMAL_TAGGED to allow setting > > memory tags via MTE-specific instructions. > > > > This change adds proper protection bits to vmalloc() allocations. > > These allocations are always backed by page_alloc pages, so the tags > > will actually be getting set on the corresponding physical memory. > > > > Signed-off-by: Andrey Konovalov > > Co-developed-by: Vincenzo Frascino > > This is also missing Signed-off-by from Vincenzo. Same here. Thanks!