On Tue, Aug 18, 2020 at 03:06:58PM +, Visa Hankala wrote:
> This diff introduces a mutex that serializes access to the kernel
> message buffers. At the moment, the buffers do not have clear
> concurrency control.
>
> The mutex controls access to all the modifiable fields of struct msgbuf.
>
This diff introduces a mutex that serializes access to the kernel
message buffers. At the moment, the buffers do not have clear
concurrency control.
The mutex controls access to all the modifiable fields of struct msgbuf.
It also protects logsoftc.sc_state for managing thread wakeups.
A tricky
