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,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 89C37C43387 for ; Thu, 10 Jan 2019 16:37:08 +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 13D1120874 for ; Thu, 10 Jan 2019 16:37:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 13D1120874 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 43bBVB0lCzzDqrM for ; Fri, 11 Jan 2019 03:37:06 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=arndb.de (client-ip=217.72.192.75; 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 [217.72.192.75]) (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 43bBG33ycKzDqkj for ; Fri, 11 Jan 2019 03:26:35 +1100 (AEDT) Received: from wuerfel.lan ([109.192.41.194]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.145]) with ESMTPA (Nemesis) id 1M26n9-1gjYwt2XdZ-002VJW; Thu, 10 Jan 2019 17:25:14 +0100 From: Arnd Bergmann To: y2038@lists.linaro.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/15] ARM: add kexec_file_load system call number Date: Thu, 10 Jan 2019 17:24:27 +0100 Message-Id: <20190110162435.309262-8-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20190110162435.309262-1-arnd@arndb.de> References: <20190110162435.309262-1-arnd@arndb.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:bbQTa8+RVq8uOU5pbxDK+0/4n2oFwdb20J9rbCJvp69tR6LbpUE BGw9PvuvotSd1z/CxUlN3LgFpu8c2eaVfhJU913d+y+4OuiKFe0x+5pUiPKr+A8JyoqUNYl +HzTAqMZP6muHMdLv1v6FLhgS7jrtc4eJiWfRbo6++zUEUKkS/plrzdPDX4N3ebSRZ82vdU 29ipN8xprnY8eaAdBUF1A== X-UI-Out-Filterresults: notjunk:1;V03:K0:KcIkOw8POYU=:PlPoKFpPERWmgM//oISQHu FSulXma/Pg8PEBbrHXiPuKmqgQPSJjkYE+IphJVFUZAY6EDeu6AtFVVptEDSdANsrovpTXcAL b/AS9w9/SN/itOc8+uv+gP7/lQwmYzvDK1BbwMZpnXwYFjfMvbHPoKh9HcCWPXrhFDSGmw+8y 5noFZR9dcb/SHixiXSpF1Uzzrt/1D05eMzRme6bDd6MQ8vzxvH9RxaowXKWyPsrHShPT5Yns3 RvFMOs0GUK3O83DVUX7KxpyabIrqW2LWJqx+aQ/5s1+2NDh5iBfmAYGenrjOjg1Dw7D3x2DO6 CbwGY7gKDYkp0Xv059QhC7u7F1tqgEzxTdrIb4K+LJQWNhFWZE6dFMlppU8my+3kMD+cIT6a4 /lKUb9S1bXaWBFRozDTYAQ/dWsNDdcosUEbHB8AsA5zHlOClTE881gOj7PkZjhSIyEpiIEioD iBQFivwkpvXegsxBX3XNPos5ITLYPP00OJlLDCNuDqXAAMqMGQWMyaOHiSPo+J0RuYfofVFUk +ZA+taJ3UVicsNsNzgjrOb/MA1fkK79L0NYP12Nqoq7c8R8vhby74mvgU8cyLD8zYnzaa6jLH 4nGKiLGdIzNVujVY6D9aWQawS+VNaFBXbqJ55jmmne047urmDt0vQV5Lg53Yze4OpTMtc1ZKL bEcAVanw4q5TBWN6nFcFgDqVzMcE+qwbf76mZR1JQw1kZojx200VU6Wc77Ggq+t14WHPxEt3u fc4ZKBNefarvA8bAMh25iORuVAYJ+Kk4mxSxzQ== 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, linux@dominikbrodowski.net, jcmvbkbc@gmail.com, deepa.kernel@gmail.com, hpa@zytor.com, sparclinux@vger.kernel.org, linux-s390@vger.kernel.org, dave@stgolabs.net, 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-m68k@lists.linux-m68k.org, ink@jurassic.park.msu.ru, luto@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, monstr@monstr.eu, tony.luck@intel.com, linux-parisc@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 355fe2bc035b..19f3f58b6146 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, 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