From patchwork Thu Jun 20 16:23:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13705878 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 C91131BB6BD; Thu, 20 Jun 2024 16:24:58 +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=1718900699; cv=none; b=X81D0J7FNrlO5i3uFmn+m22zd80bqWzWrU8fPjn9S96dTkFGW7cElD/m8Ah265RVqglzHppy8WBPj5v/GMO26nB2XSuRXF85yVv4Lvmx1/OJkoXDyxG0+ey0u7aFNDGCkfg4lmAyGjAy45Cb0XODRwyD2VdzG3RRUibsQaRfh4U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718900699; c=relaxed/simple; bh=9tNBDm896BjzUxmnfvW1e6haCDwe3E/atZfPgTf6dvM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QBBQ1iVdB5EZrxJW/JuDGNjAhY1UBiWoaBA5Gr0oYizEBqvB6nyXgXLpDitvXtIn36f0bpGDu4tVDV3sZA0D9QOhnfxNAoWwwbziIH0PQojKxXfohUnukzKb/wvViUVBRt0ORaitdj+dbQ2g0dHcevKXKy3/8Wx46cuvjjRfJBc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=abvyrJ/X; 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="abvyrJ/X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AB57C4AF07; Thu, 20 Jun 2024 16:24:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718900698; bh=9tNBDm896BjzUxmnfvW1e6haCDwe3E/atZfPgTf6dvM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=abvyrJ/X+WgKBcKLB26W63xGzrJswPTiNJDtrvePABOWadxaiMVdFVIIrjjZH7EMt i3yfbG9sxIhKzIMCfECn8jajIwt5EnHTKwWgtPNsnEm6eH5VPX4iHwPOT/KLGXygLR Y8UtKQhQMTPuDEykuGSASDGG1jSbMq6hu59HuuOGBaXNiJXkV1zooHon61XOPITCpE SFmK3OLp8gXcumhP0tivnIEFTlCHa7lpiLvSg28jj4kABCTLi6W7v8y4Et1OD6DAcD 5NN8lrWx/ZkRbGl97bKzVpQphPBlvW7EqUaJZymCAafGjzXa4xCR+daUY33mNKb8As 9i6pj/PklBLgw== 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 Subject: [PATCH 12/15] s390: remove native mmap2() syscall Date: Thu, 20 Jun 2024 18:23:13 +0200 Message-Id: <20240620162316.3674955-13-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-parisc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann The mmap2() syscall has never been used on 64-bit s390x and should have been removed as part of 5a79859ae0f3 ("s390: remove 31 bit support"). Remove it now. Signed-off-by: Arnd Bergmann Acked-by: Heiko Carstens --- arch/s390/kernel/syscall.c | 27 --------------------------- 1 file changed, 27 deletions(-) diff --git a/arch/s390/kernel/syscall.c b/arch/s390/kernel/syscall.c index dc2355c623d6..50cbcbbaa03d 100644 --- a/arch/s390/kernel/syscall.c +++ b/arch/s390/kernel/syscall.c @@ -38,33 +38,6 @@ #include "entry.h" -/* - * Perform the mmap() system call. Linux for S/390 isn't able to handle more - * than 5 system call parameters, so this system call uses a memory block - * for parameter passing. - */ - -struct s390_mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg) -{ - struct s390_mmap_arg_struct a; - int error = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - error = ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); -out: - return error; -} - #ifdef CONFIG_SYSVIPC /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.