cyyself/m1tso-linux

Apple Silicon TSO Enabler for Linux

TSOEnabler for Linux

A Linux Kernel Module that enables Total-Store-Ordering on Apple Silicon with Linux.

It was tested on linux-asahi-5.19.0-5-1-ARCH with Apple Mac mini (M1, 2020).

How to Use?

Load the kernel module

make
sudo insmod m1tso.ko

Query status

sudo cat /sys/kernel/m1tso/status

CPU[0].TSO=0
CPU[1].TSO=0
CPU[2].TSO=0
CPU[3].TSO=0
CPU[4].TSO=0
CPU[5].TSO=0
CPU[6].TSO=0
CPU[7].TSO=0

Turn on TSO

echo s | sudo tee /sys/kernel/m1tso/status

Turn off TSO

echo c | sudo tee /sys/kernel/m1tso/status

How to Test?

See testtso in saagarjha/TSOEnabler.

m1tso-linux's Issues

TSO in a Linux VM

I want to enable TSO in a VM.
Did you test this module running on Linux VM on M1?