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 73F1372249; Mon, 29 Jan 2024 17:15:12 +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=1706548512; cv=none; b=JY9KV4aqKpwxNI0zPGqY5E5RQi0PxNWcnsVx2vDw+RVm0U27Xlp6RixlBGGLXXcmJ2T8JirikovF+3Kv2g/cz+nySFrxvHI2ObdUs6S0MsX3wfYdSU2bffYAcKWBp7fv8KZDB97ww+w0Dc9Gx4gEdMD8WY4Ev3amlkabDUftmCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706548512; c=relaxed/simple; bh=LMpKGrGIYdUeBfHPqR+gYQOqXvkqN2SHX/DhY9fJBrM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fJh9IHhyoNNN/kw5saPLrhlsHzHJ+LBSn8muc1nFthEbcgs4MpsgknZBurQkdaMj8LD5W5tldOVqNoO/FsObT4f+ZylsqIiLQ7xAXq7sIpP3ZsfSARuBJNn3EglhgL/7SY0XDp6pOnRcBr6Oelp+x+G6dKmRa+/HXtlYV/Xmeqw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=c6U3aii9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="c6U3aii9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A177C433B2; Mon, 29 Jan 2024 17:15:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706548512; bh=LMpKGrGIYdUeBfHPqR+gYQOqXvkqN2SHX/DhY9fJBrM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c6U3aii9IbNlY9LT2gArXVOC7t2KQk0RZ9McDdz0jdjF9cTKMJ4OjsN1TuSGxu7m+ Hzl+Kz9OU7cW0jvV0/s0lD3PczOkVefAXXI0yrq93Ee579aITaJvkB2mpOdzypnwqN /1+9lEN1MZETCHcgLgmmRFDjY4yn4Va14O3c0fjM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Guo Ren , Guo Ren , Leonardo Bras , Charlie Jenkins , Palmer Dabbelt Subject: [PATCH 6.6 109/331] riscv: mm: Fixup compat arch_get_mmap_end Date: Mon, 29 Jan 2024 09:02:53 -0800 Message-ID: <20240129170018.112564616@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240129170014.969142961@linuxfoundation.org> References: <20240129170014.969142961@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guo Ren commit 97b7ac69be2e5a683e898f5267f659fde52efdd5 upstream. When the task is in COMPAT mode, the arch_get_mmap_end should be 2GB, not TASK_SIZE_64. The TASK_SIZE has contained is_compat_mode() detection, so change the definition of STACK_TOP_MAX to TASK_SIZE directly. Cc: stable@vger.kernel.org Fixes: add2cc6b6515 ("RISC-V: mm: Restrict address space for sv39,sv48,sv57") Signed-off-by: Guo Ren Signed-off-by: Guo Ren Reviewed-by: Leonardo Bras Reviewed-by: Charlie Jenkins Link: https://lore.kernel.org/r/20231222115703.2404036-3-guoren@kernel.org Signed-off-by: Palmer Dabbelt Signed-off-by: Greg Kroah-Hartman --- arch/riscv/include/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/riscv/include/asm/processor.h +++ b/arch/riscv/include/asm/processor.h @@ -15,7 +15,7 @@ #ifdef CONFIG_64BIT #define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1)) -#define STACK_TOP_MAX TASK_SIZE_64 +#define STACK_TOP_MAX TASK_SIZE #define arch_get_mmap_end(addr, len, flags) \ ({ \