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linux/include/uapi/asm-generic
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peterz@infradead.org 0f4b5f9722 futex: Add sys_futex_requeue() 
Finish off the 'simple' futex2 syscall group by adding
sys_futex_requeue(). Unlike sys_futex_{wait,wake}() its arguments are
too numerous to fit into a regular syscall. As such, use struct
futex_waitv to pass the 'source' and 'destination' futexes to the
syscall.

This syscall implements what was previously known as FUTEX_CMP_REQUEUE
and uses {val, uaddr, flags} for source and {uaddr, flags} for
destination.

This design explicitly allows requeueing between different types of
futex by having a different flags word per uaddr.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20230921105248.511860556@noisy.programming.kicks-ass.net
2023-09-21 19:22:10 +02:00
..
auxvec.h
bitsperlong.h asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch 2023-06-22 17:04:36 +02:00
bpf_perf_event.h bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type 2017-12-05 15:02:40 +01:00
errno-base.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
errno.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
fcntl.h open: return EINVAL for O_DIRECTORY | O_CREAT 2023-03-22 11:06:55 +01:00
hugetlb_encode.h hugetlb_encode.h: fix undefined behaviour (34 << 26) 2022-10-03 14:02:55 -07:00
int-l64.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
int-ll64.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
ioctl.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
ioctls.h tty/serial_core: add ISO7816 infrastructure 2018-10-02 13:38:55 -07:00
ipcbuf.h arch: ipcbuf.h: make uapi asm/ipcbuf.h self-contained 2019-12-04 19:44:14 -08:00
Kbuild kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
kvm_para.h
mman-common.h mm/madvise: introduce MADV_COLLAPSE sync hugepage collapse 2022-09-11 20:25:46 -07:00
mman.h mm/mmap: move common defines to mman-common.h 2019-07-16 19:23:25 -07:00
msgbuf.h arch: msgbuf.h: make uapi asm/msgbuf.h self-contained 2019-12-04 19:44:14 -08:00
param.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
poll.h aio: fix use-after-free due to missing POLLFREE handling 2021-12-09 10:49:56 -08:00
posix_types.h y2038: hide timeval/timespec/itimerval/itimerspec types 2020-02-21 11:22:15 -08:00
resource.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
sembuf.h asm-generic/sembuf: Update architecture related information in comment 2020-10-26 16:48:22 +01:00
setup.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
shmbuf.h shmbuf.h: add asm/shmbuf.h to UAPI compile-test coverage 2022-02-17 09:09:37 +01:00
siginfo.h x86/shstk: Add user control-protection fault handler 2023-08-02 15:01:50 -07:00
signal-defs.h signal: Add SA_IMMUTABLE to ensure forced siganls do not get changed 2021-11-03 14:09:26 -05:00
signal.h signal.h: add linux/signal.h and asm/signal.h to UAPI compile-test coverage 2022-02-17 09:09:36 +01:00
socket.h net: core: add getsockopt SO_PEERPIDFD 2023-06-12 10:45:50 +01:00
sockios.h net: socket: implement 64-bit timestamps 2019-04-19 14:07:40 -07:00
stat.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
statfs.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
swab.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
termbits-common.h serial: Support for RS-485 multipoint addresses 2022-06-27 14:44:20 +02:00
termbits.h termbits.h: Remove posix_types.h include 2022-05-19 18:25:26 +02:00
termios.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
types.h uapi: Add missing _UAPI prefix to <asm-generic/types.h> include guard 2022-12-01 16:22:06 +01:00
ucontext.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
unistd.h futex: Add sys_futex_requeue() 2023-09-21 19:22:10 +02:00