Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-10-15 Thread Pasi Kärkkäinen
Hi, On Thu, Sep 20, 2018 at 10:25:01AM -0400, Mikulas Patocka wrote: > > > On Wed, 19 Sep 2018, Dmitry Safonov wrote: > > > On Wed, 2018-09-19 at 16:03 -0400, Mikulas Patocka wrote: > > > > > > On Wed, 19 Sep 2018, Dmitry Safonov wrote: > > > > Thanks much for the testing, Mikulas. > > > > Cou

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-20 Thread Mikulas Patocka
On Wed, 19 Sep 2018, Dmitry Safonov wrote: > On Wed, 2018-09-19 at 16:03 -0400, Mikulas Patocka wrote: > > > > On Wed, 19 Sep 2018, Dmitry Safonov wrote: > > > Thanks much for the testing, Mikulas. > > > Could you try to bisect which of the patches causes it? > > > The most important are 1,2,3

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-19 Thread Dmitry Safonov
On Wed, 2018-09-19 at 16:03 -0400, Mikulas Patocka wrote: > > On Wed, 19 Sep 2018, Dmitry Safonov wrote: > > Thanks much for the testing, Mikulas. > > Could you try to bisect which of the patches causes it? > > The most important are 1,2,3 - probably, one of them caused it.. > > I'll stare a bit i

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-19 Thread Mikulas Patocka
On Wed, 19 Sep 2018, Dmitry Safonov wrote: > On Wed, 2018-09-19 at 13:35 -0400, Mikulas Patocka wrote: > > > > On Wed, 19 Sep 2018, Mikulas Patocka wrote: > > > > > > > > > > > On Tue, 18 Sep 2018, Dmitry Safonov wrote: > > > > > > > Hi all, > > > > > > > > Three fixes that worth to have

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-19 Thread Dmitry Safonov
On Wed, 2018-09-19 at 13:35 -0400, Mikulas Patocka wrote: > > On Wed, 19 Sep 2018, Mikulas Patocka wrote: > > > > > > > On Tue, 18 Sep 2018, Dmitry Safonov wrote: > > > > > Hi all, > > > > > > Three fixes that worth to have in the @stable, as they were hit > by > > > different people, includi

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-19 Thread Mikulas Patocka
On Wed, 19 Sep 2018, Mikulas Patocka wrote: > > > On Tue, 18 Sep 2018, Dmitry Safonov wrote: > > > Hi all, > > > > Three fixes that worth to have in the @stable, as they were hit by > > different people, including Arista on v4.9 stable. > > > > And for linux-next - adding lockdep asserts f

Re: [PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-19 Thread Mikulas Patocka
On Tue, 18 Sep 2018, Dmitry Safonov wrote: > Hi all, > > Three fixes that worth to have in the @stable, as they were hit by > different people, including Arista on v4.9 stable. > > And for linux-next - adding lockdep asserts for line discipline changing > code, verifying that write ldisc sem w

[PATCHv5 0/7] tty: Hold write ldisc sem in tty_reopen()

2018-09-17 Thread Dmitry Safonov
Hi all, Three fixes that worth to have in the @stable, as they were hit by different people, including Arista on v4.9 stable. And for linux-next - adding lockdep asserts for line discipline changing code, verifying that write ldisc sem will be held forthwith. The last patch is an optional and pr