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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 21690C4332F for ; Mon, 12 Dec 2022 14:34:00 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id CA6EA3CBE6D for ; Mon, 12 Dec 2022 15:33:57 +0100 (CET) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [IPv6:2001:4b78:1:20::5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 1CC2D3CA4DD for ; Mon, 12 Dec 2022 15:33:47 +0100 (CET) Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-5.smtp.seeweb.it (Postfix) with ESMTPS id 57D3D60078F for ; Mon, 12 Dec 2022 15:33:47 +0100 (CET) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id AF8F51FE91; Mon, 12 Dec 2022 14:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1670855626; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6EYYgXvAQeV7iDHbexmQvOPoLXM9M/1gQLn5SOIn6RM=; b=m7jez0RHItNENXhFsXe1mxIQOjitj0sT5hMzB3UrgnHhwYDKaQmlUen79sRf1aDhHaJ8sa Fpb6vI0c/3BjToeI55M/xuD6oXjbMe1fnchfe/PbgJXKx/TjlP1/0SM1Epk8Qo3EKJjgZL NQ21uyZNCrZwGrjDcaa9BuSbwLa9k4M= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1670855626; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6EYYgXvAQeV7iDHbexmQvOPoLXM9M/1gQLn5SOIn6RM=; b=bds+MYSOz3yAjKgeRT6jUYa+x7BtSAScvEoHo45aTZFv/SR3AsqxK+o5w6cwB5erdBpdU9 C0DA+KOC8LGE3qBA== Received: from g78 (unknown [10.163.28.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 61AF92C141; Mon, 12 Dec 2022 14:33:46 +0000 (UTC) References: <20221201122844.142062-1-tsahu@linux.ibm.com> <20221201122844.142062-9-tsahu@linux.ibm.com> User-agent: mu4e 1.8.11; emacs 28.2 From: Richard Palethorpe To: Tarun Sahu Date: Mon, 12 Dec 2022 14:33:08 +0000 Organization: Linux Private Site In-reply-to: <20221201122844.142062-9-tsahu@linux.ibm.com> Message-ID: <87r0x4u1x2.fsf@suse.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.102.4 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH 8/8] Hugetlb: Migrating libhugetlbfs misaligned_offset X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: rpalethorpe@suse.de Cc: aneesh.kumar@linux.ibm.com, ltp@lists.linux.it, sbhat@linux.ibm.com, geetika@linux.ibm.com, vaibhav@linux.ibm.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Tarun Sahu writes: > Migrating the libhugetlbfs/testcases/misaligned_offset.c test > > Test Name: Misaligned offset > > Test Description: At one stage, a misconversion of hugetlb_vmtruncate_list > to a prio_tree meant that on 32-bit machines, truncates at or above 4GB > could truncate lower pages, resulting in BUG_ON()s. > > WARNING: The offsets and addresses used within are specifically > calculated to trigger the bug as it existed. Don't mess with them > unless you *really* know what you're doing. > > The kernel bug in question was fixed with > 'commit 856fc2950555 ("[PATCH] hugetlb: fix prio_tree unit")'. > > Signed-off-by: Tarun Sahu Reviewed-by: Richard Palethorpe -- Thank you, Richard. -- Mailing list info: https://lists.linux.it/listinfo/ltp