From patchwork Thu Jul 4 14:36:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13723836 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 96C761B1218; Thu, 4 Jul 2024 14:38:26 +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=1720103906; cv=none; b=rDLF1t+w7xQLR5fNn54v4UZr72fDFXIazW+U/07bn7WEvjgwdbotaMWZ6JtUosaQIgwIBobho/KNW0oWLU6yknCqbOiXC7P+WJUzj90kt9XTbtlFLOyx/jP1bgKDy0r00M8EHbb6nu7gprF9anuaUDB1LU30QUQWkcUvp8Jw6mM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720103906; c=relaxed/simple; bh=RlwUoPa6usH7GUZMKOc08+J1UN1kqcfKaKnNDtJsta0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Tyxb4u81IUJVsutfg4ER58u1bsDLCSyL078hrn1OU/+7ioYIyTHmzVSVsClKu5QindTI2oFACS3lY+YlZHoY96qZ2xxTnArqjmGCL+jvzT6cIvXbJgzMGpkLfxAfskGfgQC5xWvreDpRXiWcnm5Ru0LbCwDsFbKw+/7LBJ+/5DI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cApuf/Ch; 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="cApuf/Ch" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 130D2C32781; Thu, 4 Jul 2024 14:38:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720103906; bh=RlwUoPa6usH7GUZMKOc08+J1UN1kqcfKaKnNDtJsta0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cApuf/CheQFpFENORhWm//pVQ8ai15IgR4LmKNMzOuR16rr2RdCAaLpfrLZuyt6zz zhrlgVC11NJvEly/GNXXXyhizXOEKheltXb35IvFY5YSyAOhpfwJj7qp3dNZYnYboe KUE62IOzp2IjOe1XOd33qxxM5loN1/7ZgycI0Dq3LB1orXI7cs4mbwZiUsw+a+rRyv MW9KSZhWOcx8SxaP+CC8PSQRrubMf8UACbdAeMh6w2NbuEk2ghlGqJmmfohmCI0yXb xk1kxeIRQchSDylYC+6WDONdvFncErEs8PXpv9IUV8fQqwcns4tXjKoBVfmLTm69rT 1DfhcTD8tWmGg== From: Arnd Bergmann To: linux-arch@vger.kernel.org Cc: Arnd Bergmann , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Brian Cain , Huacai Chen , WANG Xuerui , Dinh Nguyen , Jonas Bonn , Stefan Kristiansson , Stafford Horne , Paul Walmsley , Palmer Dabbelt , Albert Ou , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Christian Brauner , Mark Rutland , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-openrisc@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH 14/17] loongarch: convert to generic syscall table Date: Thu, 4 Jul 2024 16:36:08 +0200 Message-Id: <20240704143611.2979589-15-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240704143611.2979589-1-arnd@kernel.org> References: <20240704143611.2979589-1-arnd@kernel.org> Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann The uapi/asm/unistd_64.h and asm/syscall_table_64.h headers can now be generated from scripts/syscall.tbl, which makes this consistent with the other architectures that have their own syscall.tbl. Unlike the other architectures using the asm-generic header, loongarch uses none of the deprecated system calls at the moment. Both the user visible side of asm/unistd.h and the internal syscall table in the kernel should have the same effective contents after this. Signed-off-by: Arnd Bergmann --- arch/loongarch/include/asm/Kbuild | 1 + arch/loongarch/include/asm/unistd.h | 2 ++ arch/loongarch/include/uapi/asm/Kbuild | 2 ++ arch/loongarch/include/uapi/asm/unistd.h | 3 +-- arch/loongarch/kernel/Makefile.syscalls | 4 ++++ arch/loongarch/kernel/syscall.c | 3 ++- 6 files changed, 12 insertions(+), 3 deletions(-) create mode 100644 arch/loongarch/kernel/Makefile.syscalls diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild index 0db5ad14f014..2bb3676429c0 100644 --- a/arch/loongarch/include/asm/Kbuild +++ b/arch/loongarch/include/asm/Kbuild @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 +syscall-y += syscall_table_64.h generated-y += orc_hash.h generic-y += mcs_spinlock.h diff --git a/arch/loongarch/include/asm/unistd.h b/arch/loongarch/include/asm/unistd.h index cfddb0116a8c..fc0a481a7416 100644 --- a/arch/loongarch/include/asm/unistd.h +++ b/arch/loongarch/include/asm/unistd.h @@ -8,4 +8,6 @@ #include +#define __ARCH_WANT_SYS_CLONE + #define NR_syscalls (__NR_syscalls) diff --git a/arch/loongarch/include/uapi/asm/Kbuild b/arch/loongarch/include/uapi/asm/Kbuild index 4aa680ca2e5f..c6d141d7b7d7 100644 --- a/arch/loongarch/include/uapi/asm/Kbuild +++ b/arch/loongarch/include/uapi/asm/Kbuild @@ -1,2 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 +syscall-y += unistd_64.h + generic-y += kvm_para.h diff --git a/arch/loongarch/include/uapi/asm/unistd.h b/arch/loongarch/include/uapi/asm/unistd.h index 191614b9b207..1f01980f9c94 100644 --- a/arch/loongarch/include/uapi/asm/unistd.h +++ b/arch/loongarch/include/uapi/asm/unistd.h @@ -1,4 +1,3 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#define __ARCH_WANT_SYS_CLONE -#include +#include diff --git a/arch/loongarch/kernel/Makefile.syscalls b/arch/loongarch/kernel/Makefile.syscalls new file mode 100644 index 000000000000..ab7d9baa2915 --- /dev/null +++ b/arch/loongarch/kernel/Makefile.syscalls @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 + +# No special ABIs on loongarch so far +syscall_abis_64 += diff --git a/arch/loongarch/kernel/syscall.c b/arch/loongarch/kernel/syscall.c index 8801611143ab..ec17cd5163b7 100644 --- a/arch/loongarch/kernel/syscall.c +++ b/arch/loongarch/kernel/syscall.c @@ -20,6 +20,7 @@ #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, offset) @@ -32,7 +33,7 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, unsigned long, void *sys_call_table[__NR_syscalls] = { [0 ... __NR_syscalls - 1] = sys_ni_syscall, -#include +#include }; typedef long (*sys_call_fn)(unsigned long, unsigned long,