Re: [PATCH v4 3/4] x86/bus_lock: Set rate limit for bus lock

2021-01-27 Thread Thomas Gleixner
On Tue, Nov 24 2020 at 20:52, Fenghua Yu wrote: > To enforce user application throttling or mitigations, extend the > existing split lock detect kernel parameter: > split_lock_detect=ratelimit:N > > It limits bus lock rate to N per second for non-root users. Yet another changelog which

[PATCH v4 3/4] x86/bus_lock: Set rate limit for bus lock

2020-11-24 Thread Fenghua Yu
To enforce user application throttling or mitigations, extend the existing split lock detect kernel parameter: split_lock_detect=ratelimit:N It limits bus lock rate to N per second for non-root users. Signed-off-by: Fenghua Yu Reviewed-by: Tony Luck --- arch/x86/kernel/cpu/intel.c |