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s390: wire up userfaultfd system call

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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2015-09-09 09:39:58 +02:00 committed by Martin Schwidefsky
parent 61cc37906b
commit 022435713c
3 changed files with 5 additions and 1 deletions
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3
arch/s390/include/uapi/asm/unistd.h
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@ -290,7 +290,8 @@
#define __NR_s390_pci_mmio_write 352
#define __NR_s390_pci_mmio_read 353
#define __NR_execveat 354
#define NR_syscalls 355
#define __NR_userfaultfd 355
#define NR_syscalls 356
/*
* There are some system calls that are not present on 64 bit, some

1
arch/s390/kernel/syscalls.S
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@ -363,3 +363,4 @@ SYSCALL(sys_bpf,compat_sys_bpf)
SYSCALL(sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write)
SYSCALL(sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read)
SYSCALL(sys_execveat,compat_sys_execveat)
SYSCALL(sys_userfaultfd,sys_userfaultfd) /* 355 */

2
tools/testing/selftests/vm/userfaultfd.c
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@ -72,6 +72,8 @@
#define __NR_userfaultfd 374
#elif defined(__powewrpc__)
#define __NR_userfaultfd 364
#elif defined(__s390__)
#define __NR_userfaultfd 355
#else
#error "missing __NR_userfaultfd definition"
#endif