syscall.sh / xtensa / membarrier

membarrier

issue memory barriers on a set of threads

sys_membarrier(int cmd, unsigned int flags, int cpu_id)
number343 (0x157)
abicommon
entry pointsys_membarrier
sinceLinux 5.0
man pagemembarrier(2)
sourceelixir.bootlin.com

Registers

registervalue
a2343, the syscall number
a6int cmd
a3unsigned int flags
a4int cpu_id
a2the return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/membarrier