From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jiri Slaby <jslaby@suse.cz>
Cc: gregkh@linuxfoundation.org, alan@linux.intel.com,
linux-kernel@vger.kernel.org, jirislaby@gmail.com
Subject: Re: [PATCH 00/21] TTY buffer in tty_port and other stuff
Date: Mon, 22 Oct 2012 15:57:01 +0100 [thread overview]
Message-ID: <20121022155701.2d51893f@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <1350592007-9216-1-git-send-email-jslaby@suse.cz>
On Thu, 18 Oct 2012 22:26:26 +0200
Jiri Slaby <jslaby@suse.cz> wrote:
> Hi,
>
> this is the fifth series of patches which finally move tty buffers
> from tty_struct (present from open to close/hangup) to tty_port
> (present as long as the device). This allows us to get rid of the tty
> refcounting in the interrupt service routines and other hot paths
> after we are done. This is because we do not need to handle races
> among ISRs, timers, hangups and others, because tty_port lives as long
> as an interrupt/timer tick may occur. Unlike tty_struct.
Looks good to me working through them
Acked-by: Alan Cox <alan@linux.intel.com>
next prev parent reply other threads:[~2012-10-22 14:52 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 20:26 [PATCH 00/21] TTY buffer in tty_port and other stuff Jiri Slaby
2012-10-18 20:26 ` [PATCH 01/21] TTY: devpts, don't care about TTY in devpts_get_tty Jiri Slaby
2012-10-18 20:26 ` [PATCH 02/21] TTY: devpts, return created inode from devpts_pty_new Jiri Slaby
2012-10-18 20:26 ` [PATCH 03/21] TTY: devpts, do not set driver_data Jiri Slaby
2012-10-18 20:26 ` [PATCH 04/21] TTY: devpts, document devpts inode operations Jiri Slaby
2012-10-18 20:26 ` [PATCH 05/21] TTY: move devpts kill to pty Jiri Slaby
2012-10-18 20:26 ` [PATCH 06/21] TTY: vt, fix paste_selection ldisc handling Jiri Slaby
2012-10-18 20:26 ` [PATCH 07/21] TTY: ldisc, wait for idle ldisc in release Jiri Slaby
2012-10-18 20:26 ` [PATCH 08/21] TTY: hci_ldisc, remove invalid check in open Jiri Slaby
2012-10-18 20:47 ` Marcel Holtmann
2012-10-18 20:26 ` [PATCH 09/21] TTY: n_tty, simplify read_buf+echo_buf allocation Jiri Slaby
2012-10-18 20:26 ` [PATCH 10/21] TTY: n_tty, remove bogus checks Jiri Slaby
2012-10-18 20:26 ` [PATCH 11/21] TTY: audit, stop accessing tty->icount Jiri Slaby
2012-10-18 20:26 ` [PATCH 12/21] TTY: n_tty, add ldisc data to n_tty Jiri Slaby
2012-10-18 20:26 ` [PATCH 13/21] TTY: move ldisc data from tty_struct: simple members Jiri Slaby
2012-10-18 20:26 ` [PATCH 14/21] TTY: move ldisc data from tty_struct: bitmaps Jiri Slaby
2012-10-18 20:26 ` [PATCH 15/21] TTY: move ldisc data from tty_struct: read_* and echo_* and canon_* stuff Jiri Slaby
2012-10-18 20:26 ` [PATCH 16/21] TTY: move ldisc data from tty_struct: locks Jiri Slaby
2012-10-18 20:26 ` [PATCH 17/21] TTY: n_tty, propagate n_tty_data Jiri Slaby
2012-10-18 20:26 ` [PATCH 18/21] TTY: move TTY_FLUSH* flags to tty_port Jiri Slaby
2012-10-18 20:26 ` [PATCH 19/21] TTY: tty_buffer, cache pointer to tty->buf Jiri Slaby
2012-10-18 20:26 ` [PATCH 20/21] TTY: add port -> tty link Jiri Slaby
2012-10-18 20:26 ` [PATCH 21/21] TTY: move tty buffers to tty_port Jiri Slaby
2012-10-25 18:02 ` Sasha Levin
2012-10-25 18:08 ` Greg KH
2012-10-31 12:53 ` Jiri Slaby
2012-10-31 15:30 ` Sasha Levin
2012-10-31 15:32 ` Jiri Slaby
2012-10-31 15:59 ` Sasha Levin
2012-11-02 15:51 ` Jiri Slaby
2012-11-02 16:07 ` Sasha Levin
2012-11-02 16:18 ` Jiri Slaby
2012-11-02 16:23 ` Sasha Levin
2012-11-03 2:03 ` Sasha Levin
2012-11-03 15:55 ` Jiri Slaby
2012-11-03 23:06 ` Sasha Levin
2012-11-04 0:53 ` Sasha Levin
2012-11-27 19:57 ` Peter Hurley
2012-11-30 23:52 ` Sasha Levin
2012-12-01 14:59 ` flush_to_ldisc accesses tty after free (was: [PATCH 21/21] TTY: move tty buffers to tty_port) Peter Hurley
2012-12-01 20:06 ` Peter Hurley
2012-12-02 19:57 ` Peter Hurley
2012-12-04 19:21 ` Ilya Zykov
2012-10-31 20:10 ` [PATCH 21/21] TTY: move tty buffers to tty_port Sasha Levin
2012-10-18 21:12 ` [PATCH 00/21] TTY buffer in tty_port and other stuff Greg KH
2012-10-22 14:57 ` Alan Cox [this message]
2012-10-22 23:59 ` Greg KH
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