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Commit 02243571 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390: wire up userfaultfd system call 



Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 61cc3790

arch/s390/include/uapi/asm/unistd.h

+2 −1
Original line number Diff line number Diff line
@@ -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

arch/s390/kernel/syscalls.S

+1 −0
Original line number Diff line number Diff line
@@ -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 */

tools/testing/selftests/vm/userfaultfd.c

+2 −0
Original line number Diff line number Diff line
@@ -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