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=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 7E571C43219 for ; Wed, 1 May 2019 15:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D3592085A for ; Wed, 1 May 2019 15:09:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lsMUiyvK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726473AbfEAPJd (ORCPT ); Wed, 1 May 2019 11:09:33 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:52593 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726515AbfEAPJd (ORCPT ); Wed, 1 May 2019 11:09:33 -0400 Received: by mail-wm1-f67.google.com with SMTP id j13so7484239wmh.2 for ; Wed, 01 May 2019 08:09:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:openpgp:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=UrF1HV567imV8kGhjPVIyiq0gwu6+3+ww/Xo+YRR8uk=; b=lsMUiyvKsXWJPjTwKglZMo85TR1vzC88oZYn1e8MX3NQ42mnrJbArzmT2m13MYpMUw pK/7Lv80rU4n8r8Pav5o0X+Vtuo9+BaAF8uB89I8V12ILPrShrWIWeY3Kx/LKOCWpNYN /qTKUc8V34tvZIalXiIo4WYyWoVH6o/q4zon/7PVBBRhKVq/55pFxg2nrDNyP+SqT1wY mchr9RhjR57XvWQoMl+/OrNULm5hIIfFAWYDreZAqS01lFK26vajaV8NuCBHBnZFEqEq mns8n33JNNDcHUmsSBBABacImaThJVfu050YR4WBTUzxU3JTDJuFH0MgbkpYzzvQ+t7r yKvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:openpgp :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=UrF1HV567imV8kGhjPVIyiq0gwu6+3+ww/Xo+YRR8uk=; b=s9bdwtfxTVCOUtAEkTM50FqQ2Xd9SA7rPyBXA/Xd6s5lsSYinP1lx1XkcIl88L9t/P zeh0lPF51XtF8jSyVatQAO7F24SUFqzjja/bHEkmfvd0C38y5g27FpxRHhcOCm89U1cU A4o9ON1LBjmRvDAxTgTUWG1yI7gDEiffTqBhXNWrbUY/QccLqG3oLNHMENJQYaIR8aw9 t/KXYdbPYwFDiRWT9isosU5w/6mjfE1+/ERGuOT2c+rRvB8yf39ue75n6ODsxCJxpcdB Hax7C5k7DmYifbZBMHK31kZm2DafVFPoZVrzsQnH/S62VeJAlq5Vw74kg88YHDGx+o9o 8MIQ== X-Gm-Message-State: APjAAAVSq07d5uwCbUHE48ySJM5WsEFzqowTsL/KonJoSN41sAx2tETG hhf8TUdActkDEeK2rKQmKRE= X-Google-Smtp-Source: APXvYqxB/Ni3DgBPEe+9Re04PcLpYX5enwSckeaiZOCB3FEigHJgJ1LzQiDDTaNjvsR31buyBF+83w== X-Received: by 2002:a1c:23cf:: with SMTP id j198mr6620940wmj.29.1556723370996; Wed, 01 May 2019 08:09:30 -0700 (PDT) Received: from [192.168.1.37] (193.red-88-21-103.staticip.rima-tde.net. [88.21.103.193]) by smtp.gmail.com with ESMTPSA id m187sm3428690wmm.37.2019.05.01.08.09.29 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Wed, 01 May 2019 08:09:30 -0700 (PDT) Subject: Re: [PATCH 3/4] MIPS: Sync icache for whole exception vector To: Paul Burton , "linux-mips@vger.kernel.org" Cc: Serge Semin , Paul Burton References: <20190430225216.7164-1-paul.burton@mips.com> <20190430225216.7164-4-paul.burton@mips.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Openpgp: url=http://pgp.mit.edu/pks/lookup?op=get&search=0xE3E32C2CDEADC0DE Message-ID: Date: Wed, 1 May 2019 17:09:29 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190430225216.7164-4-paul.burton@mips.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On 5/1/19 12:53 AM, Paul Burton wrote: > Rather than performing cache flushing for a fixed 0x400 bytes, use the > actual size of the vector in order to ensure we cover all emitted code > on systems that make use of vectored interrupts. > > Signed-off-by: Paul Burton > --- > arch/mips/kernel/traps.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c > index 9b565ed51662..2775190adbe7 100644 > --- a/arch/mips/kernel/traps.c > +++ b/arch/mips/kernel/traps.c > @@ -2454,7 +2454,7 @@ void __init trap_init(void) > else > set_handler(0x080, &except_vec3_generic, 0x80); > > - local_flush_icache_range(ebase, ebase + 0x400); > + local_flush_icache_range(ebase, ebase + vec_size); > > sort_extable(__start___dbe_table, __stop___dbe_table); > > Reviewed-by: Philippe Mathieu-Daudé