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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8a79633b49
NR_syscalls macro holds the number of system call exist in sh architecture. We have to change the value of NR- _syscalls, if we add or delete a system call. One of the patch in this patch series has a script which will generate a uapi header based on syscall.tbl file. The syscall.tbl file contains the total number of system calls information. So we have two option to update NR_sy- scalls value. 1. Update NR_syscalls in asm/unistd.h manually by count- ing the no.of system calls. No need to update NR_sys- calls until we either add a new system call or delete existing system call. 2. We can keep this feature it above mentioned script, that will count the number of syscalls and keep it in a generated file. In this case we don't need to expli- citly update NR_syscalls in asm/unistd.h file. The 2nd option will be the recommended one. For that, I added the __NR_syscalls macro in uapi/asm/unistd_32/64.h along with NR_syscalls which is moved to asm/unistd.h. The macro __NR_syscalls also added for making the name convention same across all architecture. While __NR_sys- calls isn't strictly part of the uapi, having it as part of the generated header to simplifies the implementation. We also need to enclose this macro with #ifdef __KERNEL__ to avoid side effects. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
36 lines
985 B
C
36 lines
985 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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# ifdef CONFIG_SUPERH32
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# include <asm/unistd_32.h>
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# else
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# include <asm/unistd_64.h>
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# endif
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#define NR_syscalls __NR_syscalls
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# define __ARCH_WANT_NEW_STAT
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# define __ARCH_WANT_OLD_READDIR
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# define __ARCH_WANT_OLD_STAT
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# define __ARCH_WANT_STAT64
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# define __ARCH_WANT_SYS_ALARM
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# define __ARCH_WANT_SYS_GETHOSTNAME
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# define __ARCH_WANT_SYS_IPC
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# define __ARCH_WANT_SYS_PAUSE
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# define __ARCH_WANT_SYS_SIGNAL
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# define __ARCH_WANT_SYS_TIME
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# define __ARCH_WANT_SYS_UTIME
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# define __ARCH_WANT_SYS_WAITPID
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# define __ARCH_WANT_SYS_SOCKETCALL
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# define __ARCH_WANT_SYS_FADVISE64
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# define __ARCH_WANT_SYS_GETPGRP
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# define __ARCH_WANT_SYS_NICE
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# define __ARCH_WANT_SYS_OLD_GETRLIMIT
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# define __ARCH_WANT_SYS_OLD_UNAME
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# define __ARCH_WANT_SYS_OLDUMOUNT
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# define __ARCH_WANT_SYS_SIGPENDING
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# define __ARCH_WANT_SYS_SIGPROCMASK
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# define __ARCH_WANT_SYS_FORK
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# define __ARCH_WANT_SYS_VFORK
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# define __ARCH_WANT_SYS_CLONE
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#include <uapi/asm/unistd.h>
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