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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 3CF73C64EB8 for ; Thu, 4 Oct 2018 06:52:52 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E5BFD2098A for ; Thu, 4 Oct 2018 06:52:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5BFD2098A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42Qk9G0xJ5zF3JK for ; Thu, 4 Oct 2018 16:52:50 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42QjKK2GsxzF3BM for ; Thu, 4 Oct 2018 16:14:44 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 42QjKJ4SDWz9sB7; Thu, 4 Oct 2018 16:14:43 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: db787af1b8a6b4be428ee2ea7d409dafcaa4a43c In-Reply-To: To: "Naveen N. Rao" From: Michael Ellerman Subject: Re: [1/2] powerpc/pseries: Fix DTL buffer registration Message-Id: <42QjKJ4SDWz9sB7@ozlabs.org> Date: Thu, 4 Oct 2018 16:14:43 +1000 (AEST) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 2018-09-27 at 08:10:57 UTC, "Naveen N. Rao" wrote: > When CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set, we register the DTL > buffer for a cpu when the associated file under powerpc/dtl in debugfs > is opened. When doing so, we need to set the size of the buffer being > registered in the second u32 word of the buffer. This needs to be in big > endian, but we are not doing the conversion resulting in the below error > showing up in dmesg: > > dtl_start: DTL registration for cpu 0 (hw 0) failed with -4 > > Fix this in the obvious manner. > > Fixes: 7c105b63bd98 ("powerpc: Add CONFIG_CPU_LITTLE_ENDIAN kernel config option.") > Signed-off-by: Naveen N. Rao Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/db787af1b8a6b4be428ee2ea7d409d cheers