[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-kernel
Subject: Re: [PATCH v2] tty: n_gsm: restrict tty devices to attach
From: Linus Torvalds <torvalds () linux-foundation ! org>
Date: 2024-04-20 18:05:35
Message-ID: CAHk-=wjW3PdOZ7PJ+RHUKRc8SqQhcWXCACOvmwBkKUKABHKqwg () mail ! gmail ! com
[Download RAW message or body]
On Sat, 20 Apr 2024 at 11:02, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Most other normal tty devices just expect ->write() to be called in
> normal process context, so if we do a line discipline flag, it would
^^^^^^^^^^^^^^^^^^^^
> have to be something like "I'm ok with being called with interrupts
> disabled", and then the n_gsm ->open function would just check that.
Not line discipline - it would be a 'struct tty_operations' flag
saying 'my ->write() function is ok with atomic context".
Linus
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic