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Date: Thu, 18 Feb 2016 23:29:07 +0300 From: "Matwey V. Kornilov" <matwey@....msu.ru> To: Andy Shevchenko <andy.shevchenko@...il.com> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.com>, Peter Hurley <peter@...leysoftware.com>, One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>, Ильяс Гасанов <torso.nafi@...il.com> Subject: Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() 2016-02-18 23:21 GMT+03:00 Andy Shevchenko <andy.shevchenko@...il.com>: > On Thu, Feb 18, 2016 at 8:47 PM, Matwey V. Kornilov <matwey@....msu.ru> wrote: >> serial8250_em485_init() is supposed to be protected with >> p->port.lock spinlock. >> This may lead to issues when kmalloc sleeps, so it is better to use >> GFP_ATOMIC in this spinlocked context. >> >> Fixes: e490c9144cfa ("tty: Add software emulated RS485 support for 8250") >> Reported-by: <torso.nafi@...il.com> > > Hmm... Can't we put Cyrillic characters to tags as name of a person? I am afraid non-ASCII will break something eventually. I think it would be better to ask Ilias to put his name in proper latin transcription here. > -- > With Best Regards, > Andy Shevchenko > -- With best regards, Matwey V. Kornilov. Sternberg Astronomical Institute, Lomonosov Moscow State University, Russia 119991, Moscow, Universitetsky pr-k 13, +7 (495) 9392382
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