On Sun, Jan 14, 2018 at 11:27:13AM +0100, Peter Zijlstra wrote:
>
> The intel_bts driver does not use the 'normal' BTS buffer we allocated
> space for in the cpu_entry_area but instead uses the memory allocated
> for the perf AUX buffer.
>
> This obviously comes apart when using PTI because then the kernel
> mapping; which includes that AUX buffer memory; disappears.
>
> For now disable this driver when PTI is enabled, we'll try and sort
> something out later.
>
> Cc: Alexander Shishkin <[email protected]>
> Reported-by: Vince Weaver <[email protected]>
> Reported-by: Robert Święcki <[email protected]>
> Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Can you add a:
Cc: stable <[email protected]>
please?
thanks,
greg k-h
