userfaultfd on tilepro

create a file descriptor for handling page faults in user space

sys_userfaultfd(int flags)
number282 (0x11a)
abicommon
kconfigCONFIG_USERFAULTFD
entry pointsys_userfaultfd
sinceLinux 4.3
man pageuserfaultfd(2)
sourceelixir.bootlin.com

Registers

registervalue
r10282, the syscall number
r0int flags
r0the return value

Then run swint1 to enter the kernel.

The kernel uses r1 to signal an error for ordinary calls.

Fast atomic calls use negative numbers and have different register behavior.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/tilepro/userfaultfd?kernel=all