Re: [PATCH printk v2 01/38] serial: kgdboc: Lock console list in probe function

[PATCH printk v2 00/38] reduce console_lock scope · John Ogness <john.ogness@linutronix.de> · 2022-10-19
[PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · Petr Mladek <pmladek@suse.com> · 2022-10-20
Re: [PATCH printk v2 02/38] printk: Convert console_drivers list to hlist · Sergey Senozhatsky <senozhatsky@chromium.org> · 2022-10-24
[PATCH printk v2 01/38] serial: kgdboc: Lock console list in probe function · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 01/38] serial: kgdboc: Lock console list in probe function · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 01/38] serial: kgdboc: Lock console list in probe function · Sergey Senozhatsky <senozhatsky@chromium.org> · 2022-10-24
Re: [PATCH printk v2 01/38] serial: kgdboc: Lock console list in probe function · Doug Anderson <dianders@chromium.org> · 2022-10-25
[PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · Miguel Ojeda <hidden> · 2022-10-19
Re: [PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · "Paul E. McKenney" <paulmck@kernel.org> · 2022-10-19
Re: [PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · John Ogness <john.ogness@linutronix.de> · 2022-10-31
Re: [PATCH printk v2 03/38] printk: Prepare for SRCU console list protection · Petr Mladek <pmladek@suse.com> · 2022-10-31
[PATCH printk v2 04/38] printk: introduce console_is_enabled() wrapper · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 04/38] printk: introduce console_is_enabled() wrapper · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 04/38] printk: introduce console_is_enabled() wrapper · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 04/38] printk: introduce console_is_enabled() wrapper · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · Doug Anderson <dianders@chromium.org> · 2022-10-25
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · Doug Anderson <dianders@chromium.org> · 2022-10-25
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-25
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-11-04
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-11-07
Re: [PATCH printk v2 12/38] tty: serial: kgdboc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-11-07
[PATCH printk v2 05/38] printk: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 05/38] printk: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 05/38] printk: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-31
[PATCH printk v2 06/38] tty: nfcon: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 06/38] tty: nfcon: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 06/38] tty: nfcon: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-31
Re: [PATCH printk v2 06/38] tty: nfcon: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-11-01
[PATCH printk v2 07/38] um: kmsg_dump: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 07/38] um: kmsg_dump: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 09/38] netconsole: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 09/38] netconsole: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 09/38] netconsole: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-11-04
[PATCH printk v2 13/38] tty: serial: pic32_uart: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 13/38] tty: serial: pic32_uart: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 13/38] tty: serial: pic32_uart: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 10/38] tty: hvc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 10/38] tty: hvc: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 10/38] tty: hvc: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 08/38] efi: earlycon: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 08/38] efi: earlycon: use console_is_enabled() · Ard Biesheuvel <ardb@kernel.org> · 2022-10-19
Re: [PATCH printk v2 08/38] efi: earlycon: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 14/38] tty: serial: samsung_tty: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 14/38] tty: serial: samsung_tty: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 14/38] tty: serial: samsung_tty: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 11/38] tty: serial: earlycon: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 11/38] tty: serial: earlycon: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 11/38] tty: serial: earlycon: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 28/38] printk: console_unblank: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 28/38] printk: console_unblank: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
Re: [PATCH printk v2 28/38] printk: console_unblank: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 18/38] usb: early: xhci-dbc: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 18/38] usb: early: xhci-dbc: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 18/38] usb: early: xhci-dbc: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 22/38] serial: kgdboc: document console_lock usage · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 22/38] serial: kgdboc: document console_lock usage · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 22/38] serial: kgdboc: document console_lock usage · Doug Anderson <dianders@chromium.org> · 2022-10-25
Re: [PATCH printk v2 22/38] serial: kgdboc: document console_lock usage · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 17/38] tty: tty_io: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 17/38] tty: tty_io: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 17/38] tty: tty_io: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 30/38] printk: console_device: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 30/38] printk: console_device: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 20/38] um: kmsg_dumper: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 20/38] um: kmsg_dumper: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 19/38] kdb: kdb_io: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 19/38] kdb: kdb_io: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 19/38] kdb: kdb_io: use console_is_enabled() · Doug Anderson <dianders@chromium.org> · 2022-10-25
[PATCH printk v2 32/38] printk: __pr_flush: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 32/38] printk: __pr_flush: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-26
[PATCH printk v2 34/38] serial: kgdboc: use console_list_lock instead of console_lock · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 34/38] serial: kgdboc: use console_list_lock instead of console_lock · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 34/38] serial: kgdboc: use console_list_lock instead of console_lock · Petr Mladek <pmladek@suse.com> · 2022-10-27
[PATCH printk v2 23/38] tty: tty_io: document console_lock usage · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 23/38] tty: tty_io: document console_lock usage · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 23/38] tty: tty_io: document console_lock usage · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 25/38] proc: consoles: document console_lock usage · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 25/38] proc: consoles: document console_lock usage · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 15/38] tty: serial: serial_core: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 15/38] tty: serial: serial_core: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 15/38] tty: serial: serial_core: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 16/38] tty: serial: xilinx_uartps: use console_is_enabled() · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 16/38] tty: serial: xilinx_uartps: use console_is_enabled() · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 16/38] tty: serial: xilinx_uartps: use console_is_enabled() · Petr Mladek <pmladek@suse.com> · 2022-10-21
[PATCH printk v2 35/38] tty: tty_io: use console_list_lock for list synchronization · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 35/38] tty: tty_io: use console_list_lock for list synchronization · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 35/38] tty: tty_io: use console_list_lock for list synchronization · Petr Mladek <pmladek@suse.com> · 2022-10-27
[PATCH printk v2 24/38] xen: fbfront: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 24/38] xen: fbfront: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 21/38] serial: kgdboc: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 21/38] serial: kgdboc: use srcu console list iterator · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-19
Re: [PATCH printk v2 21/38] serial: kgdboc: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-21
Re: [PATCH printk v2 21/38] serial: kgdboc: use srcu console list iterator · Doug Anderson <dianders@chromium.org> · 2022-10-25
[PATCH printk v2 37/38] printk: relieve console_lock of list synchronization duties · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 37/38] printk: relieve console_lock of list synchronization duties · Petr Mladek <pmladek@suse.com> · 2022-10-27
[PATCH printk v2 26/38] kdb: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 26/38] kdb: use srcu console list iterator · Doug Anderson <dianders@chromium.org> · 2022-10-25
Re: [PATCH printk v2 26/38] kdb: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 29/38] printk: console_flush_on_panic: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 29/38] printk: console_flush_on_panic: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
[PATCH printk v2 33/38] printk: introduce console_list_lock · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2022-10-20
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · Petr Mladek <pmladek@suse.com> · 2022-10-27
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · "Paul E. McKenney" <paulmck@kernel.org> · 2022-10-27
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · Boqun Feng <hidden> · 2022-10-28
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · "Paul E. McKenney" <paulmck@kernel.org> · 2022-10-28
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · John Ogness <john.ogness@linutronix.de> · 2022-11-07
Re: [PATCH printk v2 33/38] printk: introduce console_list_lock · "Paul E. McKenney" <paulmck@kernel.org> · 2022-11-07
[PATCH printk v2 27/38] printk: console_flush_all: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 27/38] printk: console_flush_all: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-25
Re: [PATCH printk v2 27/38] printk: console_flush_all: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-11-07
Re: [PATCH printk v2 27/38] printk: console_flush_all: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-11-07
[PATCH printk v2 31/38] printk: register_console: use srcu console list iterator · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 31/38] printk: register_console: use srcu console list iterator · Petr Mladek <pmladek@suse.com> · 2022-10-26
[PATCH printk v2 36/38] proc: consoles: use console_list_lock for list iteration · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 36/38] proc: consoles: use console_list_lock for list iteration · Petr Mladek <pmladek@suse.com> · 2022-10-27
[PATCH printk v2 38/38] printk, xen: fbfront: create/use safe function for forcing preferred · John Ogness <john.ogness@linutronix.de> · 2022-10-19
Re: [PATCH printk v2 38/38] printk, xen: fbfront: create/use safe function for forcing preferred · Petr Mladek <pmladek@suse.com> · 2022-10-27
Re: [PATCH printk v2 38/38] printk, xen: fbfront: create/use safe function for forcing preferred · John Ogness <john.ogness@linutronix.de> · 2022-10-27
Re: [PATCH printk v2 38/38] printk, xen: fbfront: create/use safe function for forcing preferred · Petr Mladek <pmladek@suse.com> · 2022-10-27

From: Sergey Senozhatsky <senozhatsky@chromium.org>
Date: 2022-10-24 05:22:25
Also in: linux-serial

On (22/10/19 17:01), John Ogness wrote:

From: Thomas Gleixner <redacted>

Unprotected list walks are not necessarily safe.

Signed-off-by: Thomas Gleixner <redacted>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>

Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>

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