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Date: Thu, 18 Feb 2016 22:21:54 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: "Matwey V. Kornilov" <matwey@....msu.ru> 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> Subject: Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() 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? -- With Best Regards, Andy Shevchenko
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