From nobody Wed Dec 31 04:14:03 2025 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 B20D6C4167B for ; Sun, 12 Nov 2023 06:16:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230384AbjKLGQ7 (ORCPT ); Sun, 12 Nov 2023 01:16:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230376AbjKLGQs (ORCPT ); Sun, 12 Nov 2023 01:16:48 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F2EA3840 for ; Sat, 11 Nov 2023 22:16:29 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0415FC433CC; Sun, 12 Nov 2023 06:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699769788; bh=x2yNl81rtMLNR83PEs3HCmEpsQ4/7rJymYTh7H6aEEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EB1Tkw1ZePpU08PhgrQFyDzSgHHkUjmbXxR/MUfG9bEVV+Iqk7O9UI0yiAixM8Jim ijdKADfSY75NGC29rcYC1mdguX3mcb7TwbXCv5XJbBQy0Szp1r0s50Ul50mA7JJS0O nLfC/bApQGYZcDd7S8pGBd2WNctZpvQ2G4sr3FE+v+cbbKJcQ154u+YzChQk2HyUZO QMl52JlYFGIXKd1n7CaPK5ahUUZ3kDSEhDiIoMq5PhRfUHho2veayBgIf8qrZBZYJS dEMpUJibV+TeKlPUnHb0iDewAmVuzxXifFf3b86rqSS9CRpgB19LbEZjFi810Jl04U Ds4QiYJ1/SScw== From: guoren@kernel.org To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com, tglx@linutronix.de, conor.dooley@microchip.com, heiko@sntech.de, apatel@ventanamicro.com, atishp@atishpatra.org, bjorn@kernel.org, paul.walmsley@sifive.com, anup@brainfault.org, jiawei@iscas.ac.cn, liweiwei@iscas.ac.cn, wefu@redhat.com, U2FsdGVkX1@gmail.com, wangjunqiang@iscas.ac.cn, kito.cheng@sifive.com, andy.chiu@sifive.com, vincent.chen@sifive.com, greentime.hu@sifive.com, wuwei2016@iscas.ac.cn, jrtc27@jrtc27.com, luto@kernel.org, fweimer@redhat.com, catalin.marinas@arm.com, hjl.tools@gmail.com Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Guo Ren Subject: [RFC PATCH V2 10/38] riscv: u64ilp32: Remove the restriction of UXL=32 Date: Sun, 12 Nov 2023 01:14:46 -0500 Message-Id: <20231112061514.2306187-11-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20231112061514.2306187-1-guoren@kernel.org> References: <20231112061514.2306187-1-guoren@kernel.org> 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" From: Guo Ren The u64ilp32 needn't hardware support UXL=3D32, so remove the restriction when EF_RISCV_64ILP32 is detected. Reported-by: Junqiang Wang Signed-off-by: Guo Ren Signed-off-by: Guo Ren --- arch/riscv/kernel/process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c index e32d737e039f..93057ca2e2a7 100644 --- a/arch/riscv/kernel/process.c +++ b/arch/riscv/kernel/process.c @@ -88,7 +88,7 @@ static bool compat_mode_supported __read_mostly; =20 bool compat_elf_check_arch(Elf32_Ehdr *hdr) { - return compat_mode_supported && + return (compat_mode_supported || (hdr->e_flags & EF_RISCV_64ILP32)) && hdr->e_machine =3D=3D EM_RISCV && hdr->e_ident[EI_CLASS] =3D=3D ELFCLASS32; } --=20 2.36.1