From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30841298CC0; Fri, 14 Nov 2025 23:10:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763161807; cv=none; b=CPy4tsfFDbL99zMRLT4vS9sfrSWMIeiKXGXAGFXBJK+Vh6QUGbamhPWBx2Z4zodIMCSMP2iGPIkGeIGqbNsfR5IIqLtweBWmZTeZxyBgECEeXYthKEQi0OzbGHpB2kDcm2LbExiB3gMWmoaZFTzlLr6+o+/KVueTzV2thfPmOPc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763161807; c=relaxed/simple; bh=Cle4/vff5SB1IWD4HNItwK0bPh/1KZ1BFPh6rOzhPmI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=h+d9oLBJJd0pr8rwbreudiHbvNxoFjDeh50F6URKYjwjsKSHonjuzKOG1LdQ1TIiV2Y3YzzfWc8+HmVq8oZJJ7fdpYJyyzqK2gm2xoOw2zSG/uLJzUVII8CrwmjL3Clut74gtyxAX26wUhdfznFeRhNA5yyzTrfBubnQtY0S+TI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I9KMTt6r; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I9KMTt6r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8FC2C4CEF5; Fri, 14 Nov 2025 23:10:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763161804; bh=Cle4/vff5SB1IWD4HNItwK0bPh/1KZ1BFPh6rOzhPmI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=I9KMTt6rN59cZwQZpJIKV4NcU+T4pQVdUxYGYDSFDoq7S5hRKvRZDbqdzueDrp/2D QnsIdVuF0CyJUp98esb2rOB3xt20JSx5c0+UvujPCDuRpfeGcXI4HLpJG9QHtg9Hha kvbE3L7wMltT6S63DUUofMNuw3uQxX+UwDdNoZOH/px2oXTMrbWdSHaAhdoc/5tUux m9uiBlPSPcXa5xCffROA/hh7TIjTSNpmFmGOwzAgLGNXGj1zG9v9zbpOnBca44bXoP ByQEpbj+AReGYeuDeLb3RpcJj2vRBfaG0zsHCZKGPdmCjpiMthlrU5NxNtxLBPuNxp AiwGco9rLD9GA== Message-ID: <4e120357-6fa3-436a-8474-b07b473381b6@kernel.org> Date: Fri, 14 Nov 2025 15:10:02 -0800 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 2/7] arc: mm: enable MMU_GATHER_RCU_TABLE_FREE To: Qi Zheng , will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, peterz@infradead.org, dev.jain@arm.com, akpm@linux-foundation.org, david@redhat.com, ioworker0@gmail.com Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, Vineet Gupta References: <6a4192f5cef3049f123f08cb04ef5cd0179c3281.1763117269.git.zhengqi.arch@bytedance.com> <5199c367-aabb-43e7-951e-452657dcdddc@linux.dev> From: Vineet Gupta Content-Language: en-US In-Reply-To: <5199c367-aabb-43e7-951e-452657dcdddc@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/14/25 03:20, Qi Zheng wrote: > Strangely, it seems that only ARC does not define CONFIG_64BIT? > > Does the ARC architecture support 64-bit? Did I miss something? ARC is 32-bit only ! -Vineet