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Groups > linux.kernel > #1337695
| From | Andy Shevchenko <andy.shevchenko@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() |
| Date | 2016-02-18 21:30 +0100 |
| Message-ID | <r3Dn4-2Bf-7@gated-at.bofh.it> (permalink) |
| References | <r3BOh-1ky-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Feb 18, 2016 at 8:47 PM, Matwey V. Kornilov <matwey@sai.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@gmail.com>
Hmm... Can't we put Cyrillic characters to tags as name of a person?
--
With Best Regards,
Andy Shevchenko
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[PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() "Matwey V. Kornilov" <matwey@sai.msu.ru> - 2016-02-18 19:50 +0100
Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-18 21:30 +0100
Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() "Matwey V. Kornilov" <matwey@sai.msu.ru> - 2016-02-18 21:30 +0100
Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-19 00:50 +0100
Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() "Matwey V. Kornilov" <matwey@sai.msu.ru> - 2016-02-19 06:40 +0100
Re: [PATCH v1] tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init() Ильяс Гасанов <torso.nafi@gmail.com> - 2016-02-19 13:00 +0100
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