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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F0B4FA3742 for ; Sat, 29 Oct 2022 02:21:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229571AbiJ2COw (ORCPT ); Fri, 28 Oct 2022 22:14:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbiJ2COu (ORCPT ); Fri, 28 Oct 2022 22:14:50 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD64021E17 for ; Fri, 28 Oct 2022 19:14:48 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id m2so6094230pjr.3 for ; Fri, 28 Oct 2022 19:14:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=xDK8T5NmQ15T3Y3MhW5583PsMeSXizv7saLpZEgSi5w=; b=lQ9++78IboKXH8BW9gPaX72w1C3a/CVdzZFWOnZxu5hv/gYMwXrQAorRyUcqen0QAI XEZmskNWstd9JKQiZ4+xYHsnqBdFJw513NvMAibfTDttrAUB82+H7OL9fcq8Oevo904I 9VAs9vNtX9h5JpSGCXTGt6Ox1AzHBT8nvEw3wQ7/oNaLoNPZTNSC19YVGRoinusL0vby bdRjHe45BwOLyCtrjOlL4mU9WLV9ozmGdq2C6tuFwxfbvQN77SPjOS6Y1KF838xpK8bB gHlopJqGM8UoIj7pWkGpbEIxbneGxGyk9K5Sz4XYrqUg0x9IEmDzhrTiR2PEN7T8oaGY qLlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=xDK8T5NmQ15T3Y3MhW5583PsMeSXizv7saLpZEgSi5w=; b=dqfRCIriTwuGu7m8AThMfyh+/MXhGuc/aEL+2u1UXsXP5l11fEHgwBFv8QUb89Mfh1 qdGPNHI/OgX85XG5sHmNle54UPnDGBNNXdf0DqVoisqny4kaiKTCzFTbQqQtTR/4RZBn h2QsE9YcnoRktZ8P9qxrU//ZiWweqKOUtCpGrhbdsQWccSLvo766nUORqNCvDW+1WHsQ estphm606Rheo5mmN5b9ZzAfPATj1OKr/fHK48eJHIjln6s3OsxiHfdEuLP6ldOSKy6v HYBUMAbJqm65xuyd43hl1Rbqk0Y/MYcL9pdEqlcjirS6hJzQFgvZ9JqAvt2Vw8iHXnuf az/w== X-Gm-Message-State: ACrzQf0iHKJNSHLGjdV9Il4HJ4bcEKZeH4f73gVhNbn2JY5ozNTEoI16 HEk6LE69cbEHS1Ag7cfZlrg= X-Google-Smtp-Source: AMsMyM6N0ZjKDOYAOuQLBc88T/xw2Lpx9gad2mMk/7c2+y7ptNvZRt8IiiupIhDy53rXFG01t0E8zQ== X-Received: by 2002:a17:902:6ac2:b0:184:7a4c:fdd6 with SMTP id i2-20020a1709026ac200b001847a4cfdd6mr2122388plt.54.1667009688168; Fri, 28 Oct 2022 19:14:48 -0700 (PDT) Received: from debian.me (subs02-180-214-232-25.three.co.id. [180.214.232.25]) by smtp.gmail.com with ESMTPSA id h28-20020aa79f5c000000b0056c058ab000sm121277pfr.155.2022.10.28.19.14.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Oct 2022 19:14:47 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id 8A62C10411D; Sat, 29 Oct 2022 09:14:44 +0700 (WIB) Date: Sat, 29 Oct 2022 09:14:44 +0700 From: Bagas Sanjaya To: Alexey Dobriyan Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Ze2qEGWK2BfWr8kw" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Ze2qEGWK2BfWr8kw Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 28, 2022 at 10:33:49PM +0300, Alexey Dobriyan wrote: >=20 > I've tested it with kernel patch which installs rogue page and it was fou= nd. >=20 > $ ./a.out -h > usage: ./a.out [-f] [-r] [-n N] [-s S] > -f: sequential scan > -r: random scan (default) > -n: use N threads (default: $(nproc)) > -s: lowest address shift (default: 47) > -t: time to run (default: 256 seconds) >=20 > Intended usages are: >=20 > $ ./a.out -f # full scan on all cores > or > $ ./a.out -r -t ... # time limited random scan for QA test >=20 The executable name is a.out, really? --=20 An old man doll... just what I always wanted! - Clara --Ze2qEGWK2BfWr8kw Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCY1yMjwAKCRD2uYlJVVFO o6mtAQCu0+zj4PV2pSMfeUC9FbSzy9sTUb9HmKuUhW/dO15H8QD/TaxlV1f0aWye AR5AxTINTLVs7C+8iTNyxh0hzch8vwM= =rJ64 -----END PGP SIGNATURE----- --Ze2qEGWK2BfWr8kw--