pkey_alloc on tilegx

allocate or free a protection key

sys_pkey_alloc(unsigned long flags, unsigned long init_val)
number289 (0x121)
abicommon
familypkeys see the whole family on tilegx
entry pointsys_pkey_alloc
sinceLinux 4.9
man pagepkey_alloc(2)
sourceelixir.bootlin.com

Registers

registervalue
r10289, the syscall number
r0unsigned long flags
r1unsigned long init_val
r0the return value

Then run swint1 to enter the kernel.

The kernel uses r1 to signal an error.

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/tilegx/pkey_alloc?kernel=all