pkey_alloc on score
allocate or free a protection key
sys_pkey_alloc(unsigned long flags, unsigned long init_val)| number | 289 (0x121) |
|---|---|
| abi | common |
| family | pkeys see the whole family on score |
| entry point | sys_pkey_alloc |
| since | Linux 4.9 |
| man page | pkey_alloc(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r27 | 289, the syscall number |
r4 | unsigned long flags |
r5 | unsigned long init_val |
r4 | the return value |
Then run syscall to enter the kernel.
r7 is the error flag and r4 then holds the positive error number.
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 330
- x86 381
- arm64 289
- arm 395
- riscv64 289
- ia32 381
- x32 1073742154
- loongarch64 289
- ppc64 384
- ppc 384
- s390x 385
- mips64 5324
- mipsn32 6328
- mipso32 4364
- alpha 525
- arc 289
- csky 289
- hexagon 289
- ia64 1355, removed in 6.7
- m68k 382
- metag 289, removed in 4.17
- microblaze 396
- nds32 289, removed in 5.18
- nios2 289
- openrisc 289
- parisc 352
- sh 385
- sparc 363
- sparc64 363
- tilegx 289, removed in 4.17
- tilepro 289, removed in 4.17
- xtensa 349
Get this as JSON: https://api.syscall.sh/v2/syscalls/score/pkey_alloc?kernel=all