ioprio_set on ia64

get/set I/O scheduling class and priority

sys_ioprio_set(int which, int who, int ioprio)
number1274 (0x4fa)
abicommon
entry pointsys_ioprio_set
sinceLinux 5.0 or earlier (5.0 is the first release scanned for ia64)
man pageioprio_set(2)
sourceelixir.bootlin.com

Registers

registervalue
r151274, the syscall number
out0int which
out1int who
out2int ioprio
r8the return value

Then run break 0x100000 to enter the kernel.

The kernel uses r10 to signal an error.

The pipe call returns file descriptors in r8 and r9.

This architecture was removed from the Linux kernel in Linux 6.7. The newest release with a syscall table here is Linux 6.6. 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/ia64/ioprio_set?kernel=all