From patchwork Thu Dec 21 15:46:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 13502340 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7E59BC35274 for ; Thu, 21 Dec 2023 15:47:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Tj69ApwbsTwSOduKpNFDaNvVjRk6H/0w1YKQ9ZY+txg=; b=S/XnfrqoDmMBnZ Y1/Yv8LeA8fTl1BPc6WMW1cpFNyhcsOyxfVcXe37lKjijWoF9qxDkcIDcY9xTImtheJ95oowctSp/ K5KKTPCm0aPCaAP1voYQb8iTztjm5rpa69qrSCajTGdFixyOnjIO0umV7oyXrzyfDTaBCCjU5ccUN x1MPkQJVvRIc1S2JQHkfUHz46Ckz9Lu0UmCMqnveAP435uClum//5MCKTaOa7jWBq3UsWhfscchVE wwobHrUYfknZlmpk1L5dIyvbx5oxZvU+AufvlHmaP0H/N0HqpVsWgWXCrKLrKDMmHaeHQR4zsSK40 5sR0WkEZVl/LiG8gictA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rGLGT-003PRk-3A; Thu, 21 Dec 2023 15:47:13 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rGLGS-003PR4-06 for linux-riscv@lists.infradead.org; Thu, 21 Dec 2023 15:47:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id DDF76619AC; Thu, 21 Dec 2023 15:47:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51CF0C433C8; Thu, 21 Dec 2023 15:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1703173630; bh=kiqcXfXL35XMTeW6LgSFV5UBR45DHKjf0aHb7WV1Q6o=; h=From:To:Cc:Subject:Date:From; b=VrvCX2NRzdN56Vj6vo6B2owEq0363n04aNvjwwnCDzGzAwP8C+WlYYEAG/YbPxFYc X9q0XurKsMmHBVFyXRtadePJJoRivLqTBgfiZGPCkiM1ByqZbFYi84FbeUlIBdd5ya pIBVPuyfrZKqxUTH61mHbux0ojhnBR3oowvTfilT9EUNm6EEG7JrWrMNTYGsRXydOS KJb+/QUX1wz04E5XjTEOB7bRQ9wowlmjjzxpiuFnvvTUadPEsFeXTsdXyiZVxuftOx 2KZry1dmY59wIrVGh1jY5rRbi1Dl8fVj+ES2RmLwjP5TXwxa/+LRRZ3EOxFIubJiLE DSz5aN2+eY0Gg== From: guoren@kernel.org To: linux-kernel@vger.kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, alexghiti@rivosinc.com, charlie@rivosinc.com, xiao.w.wang@intel.com, guoren@kernel.org, david@redhat.com, panqinglin2020@iscas.ac.cn, rick.p.edgecombe@intel.com, willy@infradead.org, bjorn@rivosinc.com, conor.dooley@microchip.com, cleger@rivosinc.com, leobras@redhat.com Cc: linux-riscv@lists.infradead.org, Guo Ren Subject: [PATCH V2 0/4] riscv: mm: Fixup & Optimize COMPAT code Date: Thu, 21 Dec 2023 10:46:57 -0500 Message-Id: <20231221154702.2267684-1-guoren@kernel.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231221_074712_131006_C185A771 X-CRM114-Status: UNSURE ( 6.06 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Guo Ren When the task is in COMPAT mode, the TASK_SIZE should be 2GB, so STACK_TOP_MAX and arch_get_mmap_end must be limited to 2 GB. This series fixes the problem made by commit: add2cc6b6515 ("RISC-V: mm: Restrict address space for sv39,sv48,sv57") and optimizes the related coding convention of TASK_SIZE. Changelog: v2: - Separate rename from fixup - Add STACK_TOP_MAX fixup for compat - Add Cleanup & rename patches v1: https://lore.kernel.org/linux-riscv/20231219111701.1886903-1-guoren@kernel.org/ Guo Ren (4): riscv: mm: Fixup compat mode boot failure riscv: mm: Fixup compat arch_get_mmap_end riscv: mm: Remove unused TASK_SIZE_MIN riscv: mm: Optimize TASK_SIZE definition arch/riscv/include/asm/pgtable.h | 9 ++++----- arch/riscv/include/asm/processor.h | 6 ++---- 2 files changed, 6 insertions(+), 9 deletions(-)