From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A29FE231CA6 for ; Mon, 14 Oct 2024 03:44:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728877449; cv=none; b=nOQx3nk/KJBTLlgQkPy5903vacQHh/I4MhH/A8KtiBAA6rY0sXYnyMVtzyKP3+XvRlWJBhEwjeXEJNdlQ3BfTdcIUwPuSD5xspMfvRbZgzjG4BpU59TtYEngjFzOWXbeaMjDkiwmyFYmaCvN/+JYm5mwcrG1hP23QtqKF2nfUPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728877449; c=relaxed/simple; bh=ippnO6VAw8Gofcxze/7kkaI9LzTMp92W65KvfiTWNYM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Nkmf5xaDnmMrva/P3MGTBnZJj7HsLKWgIg4FcB6Ec7YJ4G6QM23kKD5xviZ0CNdtRsDJGH3hZoMG40HChtPWgKS1lhqJAi5zkF283SsLBnSUwzOg1bLcjnn0faY1tFLijvf7b5SVauJkujg++xhZDDdDNuOfIVUjbHfgxg9NnwE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 501A7DA7; Sun, 13 Oct 2024 20:44:35 -0700 (PDT) Received: from [10.163.38.184] (unknown [10.163.38.184]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7751D3F51B; Sun, 13 Oct 2024 20:44:03 -0700 (PDT) Message-ID: <92337e78-2a6b-4f41-a3d6-3e07361eba21@arm.com> Date: Mon, 14 Oct 2024 09:14:05 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: head: Drop SWAPPER_TABLE_SHIFT To: Gavin Shan , linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, ardb@kernel.org, shan.gavin@gmail.com References: <20241014030341.995806-1-gshan@redhat.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: <20241014030341.995806-1-gshan@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/14/24 08:33, Gavin Shan wrote: > There is no users of SWAPPER_TABLE_SHIFT after commit 84b04d3e6bdb > ("arm64: kernel: Create initial ID map from C code"). Just drop it. > > Signed-off-by: Gavin Shan Reviewed-by: Anshuman Khandual > --- > arch/arm64/include/asm/kernel-pgtable.h | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h > index bf05a77873a4..fd5a08450b12 100644 > --- a/arch/arm64/include/asm/kernel-pgtable.h > +++ b/arch/arm64/include/asm/kernel-pgtable.h > @@ -26,7 +26,6 @@ > #define SWAPPER_SKIP_LEVEL 0 > #endif > #define SWAPPER_BLOCK_SIZE (UL(1) << SWAPPER_BLOCK_SHIFT) > -#define SWAPPER_TABLE_SHIFT (SWAPPER_BLOCK_SHIFT + PAGE_SHIFT - 3) > > #define SWAPPER_PGTABLE_LEVELS (CONFIG_PGTABLE_LEVELS - SWAPPER_SKIP_LEVEL) > #define INIT_IDMAP_PGTABLE_LEVELS (IDMAP_LEVELS - SWAPPER_SKIP_LEVEL)