pkey_free on metag
allocate or free a protection key
sys_pkey_free(int pkey)| number | 290 (0x122) |
|---|---|
| abi | common |
| family | pkeys see the whole family on metag |
| entry point | sys_pkey_free |
| since | Linux 4.9 |
| man page | pkey_free(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
D1Re0 | 290, the syscall number |
D1Ar1 | int pkey |
D0Re0 | the return value |
Then run SWITCH #0x440001 to enter the kernel.
Values wider than one register are packed into consecutive arguments.
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
- x64 331
- x86 382
- arm64 290
- arm 396
- riscv64 290
- ia32 382
- x32 1073742155
- loongarch64 290
- ppc64 385
- ppc 385
- s390x 386
- mips64 5325
- mipsn32 6329
- mipso32 4365
- alpha 526
- arc 290
- csky 290
- hexagon 290
- ia64 1356, removed in 6.7
- m68k 383
- microblaze 397
- nds32 290, removed in 5.18
- nios2 290
- openrisc 290
- parisc 353
- score 290, removed in 4.17
- sh 386
- sparc 364
- sparc64 364
- tilegx 290, removed in 4.17
- tilepro 290, removed in 4.17
- xtensa 350
Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/pkey_free?kernel=all