syscall.sh / arc / pkey_alloc

pkey_alloc

allocate or free a protection key

sys_pkey_alloc(unsigned long flags, unsigned long init_val)
number289 (0x121)
abicommon
entry pointsys_pkey_alloc
sinceLinux 4.9
man pagepkey_alloc(2)
sourceelixir.bootlin.com

Registers

registervalue
r8289, the syscall number
r0unsigned long flags
r1unsigned long init_val
r0the return value

Then run trap0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arc/pkey_alloc