On 2020-02-26 15:01:15 [+], Thomas Hellstrom wrote:
> Hi, Sebastian,
Hi Thomas,
> I suppose there isn't something like a preempt_disable_unless_RT()
> macro?
We got rid of most users of "preempt_disable_unless_RT()" since it was
used as a duct tape.
We still have it in the rt-devel tree but
On Mon, 2020-02-24 at 15:07 +0100, Sebastian Andrzej Siewior wrote:
> vmw_fifo_ping_host() disables preemption around a test and a register
> write via vmw_write(). The write function acquires a spinlock_t typed
> lock which is not allowed in a preempt_disable()ed section on
> PREEMPT_RT. This has