From nobody Sun Feb 8 21:46:56 2026 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 64AFAC7EE2D for ; Thu, 25 May 2023 16:09:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229527AbjEYQJG (ORCPT ); Thu, 25 May 2023 12:09:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231451AbjEYQJD (ORCPT ); Thu, 25 May 2023 12:09:03 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30441E59 for ; Thu, 25 May 2023 09:08:33 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id 41be03b00d2f7-5144a9c11c7so1569631a12.2 for ; Thu, 25 May 2023 09:08:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685030901; x=1687622901; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=USQa14bxm9/gfk0iTFn1mMIzz0dadrwCcKOKR8DDgzQ=; b=nwOl8DG2BBTjeCysT0zw1xSgZWdheR/RWsAuvcg1DdEjdV7B2fYOPNPm8x0tlNmE/j hnfZGo7TBiqISYdVhCnYremv5C6rfiQdCVrkrWDJ2SCv4k8p4lZf6cDSNxRpC/0e6ydM oJFPM1oZ1Oz6UN5lERgMzfDltBLvgFnDYXyHDHepKLi5qCbSQGiWYcWvVapAbkVDVZM7 kkKMbwzQ+y9m3LXYiu/H5cTpU7Vt+mJm5uk1ow6Rb6h889EPpJZq8nRl+c0T4ejNoyt0 VBprecfmG7TsMhgxy8WhSbUVjg2yQx2bkgVgOv0BPZ8Bb8CMQraD72x7kL5+9TFscMhg 15Eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685030901; x=1687622901; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=USQa14bxm9/gfk0iTFn1mMIzz0dadrwCcKOKR8DDgzQ=; b=BhGHuJefVLJboJ8rgmRG68LRFy/R5nk4pCDUAOWAzIL89bGtV+gUlAwKWuCJCS+nK9 QQPP857QJBUYrM/ZU8xQ0oQCdw+a4CMZtVOdr7Bi7lgmRJmsSiL2TQ1iSUIpoRcLeHU/ elZgQu/2o1KgWYg0udLdGJJn4eZA5sV6MSvOXXWSwUpzy1vIiLbBoxEYm4p8ZS0wNU+g bw0AeEIA4+OVaix2cO+/feEAUqS+EgIOUfjcr6qRNv8Vn/6JQYFOqkZWMQwK84umdGWx rG3uTzh7fJLX11+0OHwxO0TIMgMf1DYaGDdr4iUuruqF79uO7xOz04wKQ9MEOjUu8aUn Bevw== X-Gm-Message-State: AC+VfDy4iIYvCkEY34F0XIVFuS0Z8v5n4FqSxvsmAyjKAa/eMBfwDgOb kiwHpbp4+jRVP0R0eOQyNSE= X-Google-Smtp-Source: ACHHUZ6hqDma7sqnvdnFTlwYvxCGOVKRH/UBaY12+lVWEC1CRJshhvo5HN45DYQ5qq2WPMdx85JqBg== X-Received: by 2002:a17:902:e5c3:b0:1a6:8ed5:428a with SMTP id u3-20020a170902e5c300b001a68ed5428amr2528473plf.22.1685030900944; Thu, 25 May 2023 09:08:20 -0700 (PDT) Received: from ubuntu777.domain.name (36-228-81-153.dynamic-ip.hinet.net. [36.228.81.153]) by smtp.gmail.com with ESMTPSA id s3-20020a170902a50300b001ab12ccc2a7sm1611450plq.98.2023.05.25.09.08.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 May 2023 09:08:20 -0700 (PDT) From: Min-Hua Chen To: Vineet Gupta Cc: linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org, Min-Hua Chen Subject: [RESEND PATCH 1/2] ARC: fix incorrect THREAD_SHIFT definition Date: Fri, 26 May 2023 00:08:11 +0800 Message-Id: <20230525160813.39408-2-minhuadotchen@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230525160813.39408-1-minhuadotchen@gmail.com> References: <20230525160813.39408-1-minhuadotchen@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Current definition of THREAD_SHIFT is (PAGE_SHIFT << THREAD_SIZE_ORDER) It should be (PAGE_SHIFT + THREAD_SIZE_ORDER) because the following equation should hold: Say PAGE_SHIFT =3D=3D 13 (as the default value in ARC) THREAD_SIZE_ORDER =3D=3D 1 (as CONFIG_16KSTACKS=3Dy) THREAD_SIZE =3D=3D (1 << THREAD_SHIFT) =3D=3D (1 << (PAGE_SHIFT + THREAD_SIZE_ORDER)) =3D=3D (1 << 14) =3D=3D 16KB Signed-off-by: Min-Hua Chen --- arch/arc/include/asm/thread_info.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thre= ad_info.h index 6ba7fe417095..9f9dd021501c 100644 --- a/arch/arc/include/asm/thread_info.h +++ b/arch/arc/include/asm/thread_info.h @@ -22,7 +22,7 @@ #endif =20 #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) -#define THREAD_SHIFT (PAGE_SHIFT << THREAD_SIZE_ORDER) +#define THREAD_SHIFT (PAGE_SHIFT + THREAD_SIZE_ORDER) =20 #ifndef __ASSEMBLY__ =20 --=20 2.34.1