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Fri, 25 Jan 2019 16:21:06 +0000 Date: Fri, 25 Jan 2019 16:21:06 +0000 From: Russell King - ARM Linux admin To: Catalin Marinas Subject: Re: [PATCH v2 07/29] ARM: add kexec_file_load system call number Message-ID: <20190125162106.axfhoxxdutkmaeh3@e5254000004ec.dyn.armlinux.org.uk> References: <20190118161835.2259170-1-arnd@arndb.de> <20190118161835.2259170-8-arnd@arndb.de> <20190125154359.GG25901@arrakis.emea.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190125154359.GG25901@arrakis.emea.arm.com> User-Agent: NeoMutt/20170113 (1.7.2) 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, will.deacon@arm.com, linux-mips@vger.kernel.org, jcmvbkbc@gmail.com, netdev@vger.kernel.org, deepa.kernel@gmail.com, hpa@zytor.com, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, y2038@lists.linaro.org, deller@gmx.de, x86@kernel.org, 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, linux-api@vger.kernel.org, linux-kernel@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" On Fri, Jan 25, 2019 at 03:43:59PM +0000, Catalin Marinas wrote: > On Fri, Jan 18, 2019 at 05:18:13PM +0100, Arnd Bergmann wrote: > > 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 > > I presume on arm32 this would still return -ENOSYS. Yes, I already checked. If CONFIG_KEXEC_FILE is not set, then kernel/kexec_file.c is not built, and we fall back to the stub in kernel/sys_ni.c. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up