Re: [PATCH 0/3] serial: 8250_dw: Fix clk-notifier/port suspend deadlock

Hello, On Sun, Sep 27, 2020 at 05:01:52PM +0200, Hans de Goede wrote: > Hi, > > On 9/23/20 6:19 PM, Serge Semin wrote: > > Hans has discovered that there is a potential deadlock between the ref > > clock change notifier and the port suspension procedures {see the link at > > the bottom of the

Re: [PATCH 0/3] serial: 8250_dw: Fix clk-notifier/port suspend deadlock

Hi, On 9/23/20 6:19 PM, Serge Semin wrote: Hans has discovered that there is a potential deadlock between the ref clock change notifier and the port suspension procedures {see the link at the bottom of the letter}. Indeed the deadlock is possible if the port suspension is initiated during the

[PATCH 0/3] serial: 8250_dw: Fix clk-notifier/port suspend deadlock

Hans has discovered that there is a potential deadlock between the ref clock change notifier and the port suspension procedures {see the link at the bottom of the letter}. Indeed the deadlock is possible if the port suspension is initiated during the ref clock rate change: CPU0 (suspend