From patchwork Thu Jun 20 16:23:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13705893 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 A87B21B3729; Thu, 20 Jun 2024 16:24:51 +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=1718900691; cv=none; b=i3ACRjmRWf29GGC2GHjz8Ae/AZnZnoECiqW4Fu7QBcvB5cRNHbP055ZX1HdEJBGr3lyv/EED/JrAVmwaF91M4h0fz8iZiqPuKP3kfOqSQQN5g67ltCysYo9VSaeNTVj6519BjZfarzsV1YkRpluZuuDsSTHdFiGQ8ok+NDeu+pI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718900691; c=relaxed/simple; bh=CTMiij8diPtp23L47nQHWXQrj3MX4OJNEzgig287ZPA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EVF7SW2v3U6BH3Ik4J5rkvO0rRwd1Lg+YxxXuOnUTH5dOr9viDMz/jLjs5QrQ8iRwx7n3KrHw7jQzKI6C4fQXeJ7Y7/cW6BEN3NftvGvDqaUYUbGDDFZk+dxW55VDGCpmHEfjTQhvMmfimfl+U7WW4SXzNrtVNftk0tu42dCcgs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=liP+clW/; 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="liP+clW/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DEAEC2BD10; Thu, 20 Jun 2024 16:24:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718900691; bh=CTMiij8diPtp23L47nQHWXQrj3MX4OJNEzgig287ZPA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=liP+clW/FYJDMFwHv7e2XTi4LYa5eTnDyL47NLmiZ3cdTxaeJVM6WiqLSOvjZXten pE6JYMMTtK2vXsP1OXrG0X/wzRuupXj07RgRMay50dms6iT69PyESvm8MZAALUCwW6 ScElgo7HBzd1he0cQvkNBktxqXYA3+ZQp+4j7Eyi0zUX6iTS+26CH6314rMnHOCsxp 2GZ0MxgqvDjTVnlva8n8/w9P6j9/14JsdOE3xslLC/hd1U15iSxzjY7Gdw5OPMjGTi FxE0zxbrXL4hhuRiBxV9AFKTmJuqA88W9aUdlZqe/hk7lAm9X+hHNtXkp5bF7KXdDP LnYwGSfr5+nRQ== From: Arnd Bergmann To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Arnd Bergmann , Thomas Bogendoerfer , linux-mips@vger.kernel.org, Helge Deller , linux-parisc@vger.kernel.org, "David S. Miller" , Andreas Larsson , sparclinux@vger.kernel.org, Michael Ellerman , Nicholas Piggin , Christophe Leroy , "Naveen N . Rao" , linuxppc-dev@lists.ozlabs.org, Brian Cain , linux-hexagon@vger.kernel.org, Guo Ren , linux-csky@vger.kernel.org, Heiko Carstens , linux-s390@vger.kernel.org, Rich Felker , John Paul Adrian Glaubitz , linux-sh@vger.kernel.org, "H. Peter Anvin" , Alexander Viro , Christian Brauner , linux-fsdevel@vger.kernel.org, libc-alpha@sourceware.org, musl@lists.openwall.com, ltp@lists.linux.it, stable@vger.kernel.org Subject: [PATCH 11/15] hexagon: fix fadvise64_64 calling conventions Date: Thu, 20 Jun 2024 18:23:12 +0200 Message-Id: <20240620162316.3674955-12-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240620162316.3674955-1-arnd@kernel.org> References: <20240620162316.3674955-1-arnd@kernel.org> Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann fadvise64_64() has two 64-bit arguments at the wrong alignment for hexagon, which turns them into a 7-argument syscall that is not supported by Linux. The downstream musl port for hexagon actually asks for a 6-argument version the same way we do it on arm, csky, powerpc, so make the kernel do it the same way to avoid having to change both. Link: https://github.com/quic/musl/blob/hexagon/arch/hexagon/syscall_arch.h#L78 Cc: stable@vger.kernel.org Signed-off-by: Arnd Bergmann --- arch/hexagon/include/asm/syscalls.h | 6 ++++++ arch/hexagon/kernel/syscalltab.c | 7 +++++++ 2 files changed, 13 insertions(+) create mode 100644 arch/hexagon/include/asm/syscalls.h diff --git a/arch/hexagon/include/asm/syscalls.h b/arch/hexagon/include/asm/syscalls.h new file mode 100644 index 000000000000..40f2d08bec92 --- /dev/null +++ b/arch/hexagon/include/asm/syscalls.h @@ -0,0 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include + +asmlinkage long sys_hexagon_fadvise64_64(int fd, int advice, + u32 a2, u32 a3, u32 a4, u32 a5); diff --git a/arch/hexagon/kernel/syscalltab.c b/arch/hexagon/kernel/syscalltab.c index 0fadd582cfc7..5d98bdc494ec 100644 --- a/arch/hexagon/kernel/syscalltab.c +++ b/arch/hexagon/kernel/syscalltab.c @@ -14,6 +14,13 @@ #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), +SYSCALL_DEFINE6(hexagon_fadvise64_64, int, fd, int, advice, + SC_ARG64(offset), SC_ARG64(len)) +{ + return ksys_fadvise64_64(fd, SC_VAL64(loff_t, offset), SC_VAL64(loff_t, len), advice); +} +#define sys_fadvise64_64 sys_hexagon_fadvise64_64 + void *sys_call_table[__NR_syscalls] = { #include };