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 65D88C433EF for ; Mon, 18 Apr 2022 17:12:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346865AbiDRRPU (ORCPT ); Mon, 18 Apr 2022 13:15:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346818AbiDRRPI (ORCPT ); Mon, 18 Apr 2022 13:15:08 -0400 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32A29205E6 for ; Mon, 18 Apr 2022 10:12:26 -0700 (PDT) Received: by mail-pj1-x1035.google.com with SMTP id j8-20020a17090a060800b001cd4fb60dccso14619423pjj.2 for ; Mon, 18 Apr 2022 10:12:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EczBgSrH2S/KZGWpRphduxUxnAnNXtm2R6frAPGuEZk=; b=EUAqnJDbpIA/Y7va/xIASz/J56PcYmJzvt7wqzCFE6UI48jubb8e8HZNWni8jozFrZ FbZjuEtRgfLi18erfhHPJZ+kR8jJ1n2rkX/cM6+r/rBV2DVNaWab0awGfMZ1JEE04BKT 17zEaIWmmA8/AQkB8XuzJ9QQEPCt+F0x4/h//nLVAWyBXql/1NwaU31FLS5y5NCa3eec JEe+Zqwq/tvaJiYuwf1XPNWfN5sN5A4DW34AL5fmWofFIdKxkQ8gEYEzpUHGqv0J3B67 BcVNolgE3XBYItsTpt/MlzFsaRa9trTVlBlANZj5ZW2BgE6ZB5erqO+Siua8PiAgfV32 ue2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EczBgSrH2S/KZGWpRphduxUxnAnNXtm2R6frAPGuEZk=; b=0496U7wZl7Fr5sXus87XHhbRaUA0BC2RvKxe6mBcdp2KxsHFx4s3LJo3eauHIuy/gI rfp4+k7Ea/6vX4RgNgb16BXcucxi7e85IpRf/eZG8s01hziXIJiA9UAr1d1w9WuutN6V fD/cCdwF4Q+AfXoXniZcKDLoGeqiUfOIx0kcx9mQix8eivuByWWdzu9KOhG53bB8Mn1p g2V1PJMOHx/JODWMW7H+83XUkPZBMehZ6JTTEPLFsgtb1otB4bAxLwiv6XzAlesn8cHJ 6MvXHlzhs7b7PE0z6XbjG9JHm4nhlsY4UNMaPFH94XuL4AqUU04YzkOJljknSwfCKgnt GXZg== X-Gm-Message-State: AOAM5316uPsuNSYP3yeY5zIEtw/OwXGCasfa7IHBbjzKU01pPz6Rv7/i 8wTWa16W6KNNXCAxIedLU37XCS8zZhw= X-Google-Smtp-Source: ABdhPJzho3bEGmPO1L6ubBM5Kahyw7ugp862MrHda+qnPqa++tNNLj6M/co9uD3OUfPW4AhySLlKNw== X-Received: by 2002:a17:90b:4c45:b0:1d2:abcd:be49 with SMTP id np5-20020a17090b4c4500b001d2abcdbe49mr4298011pjb.193.1650301945715; Mon, 18 Apr 2022 10:12:25 -0700 (PDT) Received: from octofox.hsd1.ca.comcast.net ([2601:641:401:1d20:3f09:380c:8f11:5a8a]) by smtp.gmail.com with ESMTPSA id e16-20020a63ee10000000b0039d1c7e80bcsm13637138pgi.75.2022.04.18.10.12.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Apr 2022 10:12:24 -0700 (PDT) From: Max Filippov To: linux-xtensa@linux-xtensa.org Cc: Chris Zankel , linux-kernel@vger.kernel.org, Max Filippov Subject: [PATCH 1/5] xtensa: drop dead code from entry.S Date: Mon, 18 Apr 2022 10:12:01 -0700 Message-Id: <20220418171205.2413168-2-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220418171205.2413168-1-jcmvbkbc@gmail.com> References: <20220418171205.2413168-1-jcmvbkbc@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KERNEL_STACK_OVERFLOW_CHECK is incomplete and have never been enabled. Remove it. Signed-off-by: Max Filippov --- arch/xtensa/kernel/entry.S | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 6b6eff658795..3c0b1aac7aba 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -28,15 +28,6 @@ #include #include -/* Unimplemented features. */ - -#undef KERNEL_STACK_OVERFLOW_CHECK - -/* Not well tested. - * - * - fast_coprocessor - */ - /* * Macro to find first bit set in WINDOWBASE from the left + 1 * @@ -350,15 +341,6 @@ KABI_W _bbsi.l a2, 3, 1f l32i a0, a1, PT_AREG0 # restore saved a0 wsr a0, depc -#ifdef KERNEL_STACK_OVERFLOW_CHECK - - /* Stack overflow check, for debugging */ - extui a2, a1, TASK_SIZE_BITS,XX - movi a3, SIZE?? - _bge a2, a3, out_of_stack_panic - -#endif - /* * This is the common exception handler. * We get here from the user exception handler or simply by falling through -- 2.30.2