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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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48166e6ea4
This adds 21 new system calls on each ABI that has 32-bit time_t today. All of these have the exact same semantics as their existing counterparts, and the new ones all have macro names that end in 'time64' for clarification. This gets us to the point of being able to safely use a C library that has 64-bit time_t in user space. There are still a couple of loose ends to tie up in various areas of the code, but this is the big one, and should be entirely uncontroversial at this point. In particular, there are four system calls (getitimer, setitimer, waitid, and getrusage) that don't have a 64-bit counterpart yet, but these can all be safely implemented in the C library by wrapping around the existing system calls because the 32-bit time_t they pass only counts elapsed time, not time since the epoch. They will be dealt with later. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef CONFIG_COMPAT
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#define __ARCH_WANT_COMPAT_STAT64
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#define __ARCH_WANT_SYS_GETHOSTNAME
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#define __ARCH_WANT_SYS_PAUSE
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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_SIGPENDING
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#define __ARCH_WANT_SYS_SIGPROCMASK
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#define __ARCH_WANT_COMPAT_SYS_SENDFILE
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#define __ARCH_WANT_SYS_UTIME32
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#define __ARCH_WANT_SYS_FORK
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#define __ARCH_WANT_SYS_VFORK
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/*
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* Compat syscall numbers used by the AArch64 kernel.
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*/
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#define __NR_compat_restart_syscall 0
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#define __NR_compat_exit 1
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#define __NR_compat_read 3
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#define __NR_compat_write 4
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#define __NR_compat_sigreturn 119
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#define __NR_compat_rt_sigreturn 173
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/*
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* The following SVCs are ARM private.
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*/
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#define __ARM_NR_COMPAT_BASE 0x0f0000
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#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE + 2)
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#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
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#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
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#define __NR_compat_syscalls 424
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#endif
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#define __ARCH_WANT_SYS_CLONE
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#ifndef __COMPAT_SYSCALL_NR
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#include <uapi/asm/unistd.h>
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#endif
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#define NR_syscalls (__NR_syscalls)
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