From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1A52C43387 for ; Fri, 18 Jan 2019 16:33:41 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C14C20850 for ; Fri, 18 Jan 2019 16:33:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C14C20850 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43h62W0JbrzDr3Z for ; Sat, 19 Jan 2019 03:33:39 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=arndb.de (client-ip=217.72.192.74; helo=mout.kundenserver.de; envelope-from=arnd@arndb.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=arndb.de Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43h5lf1qtnzDr27 for ; Sat, 19 Jan 2019 03:20:45 +1100 (AEDT) Received: from wuerfel.lan ([109.192.41.194]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.145]) with ESMTPA (Nemesis) id 1M8QNy-1gouaL0Udc-004VsZ; Fri, 18 Jan 2019 17:19:25 +0100 From: Arnd Bergmann To: y2038@lists.linaro.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH v2 07/29] ARM: add kexec_file_load system call number Date: Fri, 18 Jan 2019 17:18:13 +0100 Message-Id: <20190118161835.2259170-8-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20190118161835.2259170-1-arnd@arndb.de> References: <20190118161835.2259170-1-arnd@arndb.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:8ym37e+lD/lgSGacCaoLSHBwvMbYSdoq935/+50m0n+e2+nfjyl Uc3eCCUqAr3iiX9tp3dh/UjTnNU1TWM344t7SmBQecjF8G3qbieGmrEuRnYfdVzVTXxlNMn 1F6pSIpGD86JSkJzsxanqoPTEb+l+XA5OO3U0pzk6a/S0BMyuhTWrH4HTr95PQFlXgEL4sD b/smjhXtOquSiUivlB38g== X-UI-Out-Filterresults: notjunk:1;V03:K0:hPFjMXC73D8=:yIT7bb4MDFSWj86wHD5l4c Dw71KKy4lEMciOZt+W7BOiEuK2mNuN+kh5N3AiCr4vfMUFyOd0gUpMGVvzlD5ys8kVC8UFHy1 GF3XDa3FhTBMA3K+9JRQ8rmAsDSolTFqDYWCMPAT63yZzygeYo+H4Gb28+uNbUdwlsZqY9gO8 6lK6+sEIXt8TvMB4ddTaGomaNQPmxg4p1hEhaovZAfReP98dH5330uzzrgeqRsnqM2eHkKNHE IPPBPHtvsyz2uSE81DXrtfxuBWnljymZkblHoH/MPVnSr/2bCgJGktCOvWDoVamsF7nbJsafo 2OignWTVnOttBAtdSjEfSQ6CDTNo9IioOYs6f/rgrWALcLtl8cQBqMMcwSuRSeg7LAk4hc7Oj vKqxXzmE6UzScOdNEzF+a+2KnoI+oavrpydZ3aezYjXL9WJt6eh/9b1NMWLoLioZhktu7kZ6b mZh1EEbibQK8F64O6oN3sLL4qqNGDpvKpnMdtyBo2RHlZhWm2ACWT6TJIaGxLHEQjzxZGToRN IFf4ybmEY0PVOn3IHZu/nuvhVYHTeILnajyNYSzLFJ3VZ9kru5A/DCKSsLyoeKTCUNnQHigs5 2bl5d22j1GPBmdXFJiXmupqH8HXQEkhm2IhAGe2JkhUkSAvGLFP1YeJ1fCfrGDG34cx2/LUcp JcCpam5vxV5OOFiQEFF/gbY/veubTMQIf5uhL2znlb1HwTgwa3y+NgPSsmX9zdfo3Hj9Ix3G5 AQJldjI7SaGcXfDZb0CIJB58fi1O6B6dUcSGIQ== X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dalias@libc.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, jcmvbkbc@gmail.com, deepa.kernel@gmail.com, hpa@zytor.com, sparclinux@vger.kernel.org, linux-s390@vger.kernel.org, deller@gmx.de, x86@kernel.org, linux@armlinux.org.uk, mingo@redhat.com, geert@linux-m68k.org, firoz.khan@linaro.org, mattst88@gmail.com, fenghua.yu@intel.com, Arnd Bergmann , heiko.carstens@de.ibm.com, linux-fsdevel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, luto@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, monstr@monstr.eu, tony.luck@intel.com, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, linux-mips@vger.kernel.org, paul.burton@mips.com, ebiederm@xmission.com, linux-alpha@vger.kernel.org, schwidefsky@de.ibm.com, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" A couple of architectures including arm64 already implement the kexec_file_load system call, on many others we have assigned a system call number for it, but not implemented it yet. Adding the number in arch/arm/ lets us use the system call on arm64 systems in compat mode, and also reduces the number of differences between architectures. If we want to implement kexec_file_load on ARM in the future, the number assignment means that kexec tools can already be built with the now current set of kernel headers. Signed-off-by: Arnd Bergmann --- arch/arm/tools/syscall.tbl | 1 + arch/arm64/include/asm/unistd.h | 2 +- arch/arm64/include/asm/unistd32.h | 2 ++ 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 86de9eb34296..20ed7e026723 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -415,3 +415,4 @@ 398 common rseq sys_rseq 399 common io_pgetevents sys_io_pgetevents 400 common migrate_pages sys_migrate_pages +401 common kexec_file_load sys_kexec_file_load diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 261216c3336e..2c30e6f145ff 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -44,7 +44,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 401 +#define __NR_compat_syscalls 402 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index f15bcbacb8f6..8ca1d4c304f4 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -823,6 +823,8 @@ __SYSCALL(__NR_rseq, sys_rseq) __SYSCALL(__NR_io_pgetevents, compat_sys_io_pgetevents) #define __NR_migrate_pages 400 __SYSCALL(__NR_migrate_pages, compat_sys_migrate_pages) +#define __NR_kexec_file_load 401 +__SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) /* * Please add new compat syscalls above this comment and update -- 2.20.0