linux-kernel - Re: [PATCH 3/4] printk: Add consoles to a virtual "console" bus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190308155352.g43mt44adau6cgh6@pathway.suse.cz>
Date:   Fri, 8 Mar 2019 16:53:52 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     Calvin Owens <calvinowens@...com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH 3/4] printk: Add consoles to a virtual "console" bus

On Fri 2019-03-01 16:48:19, Calvin Owens wrote:
> This patch embeds a device struct in the console struct, and registers
> them on a "console" bus so we can expose attributes in sysfs.
> 
> Early console structures must still be static, since they're required
> before we're able to allocate memory. The least ugly way I can come up
> with to handle this is an "is_static" flag in the structure which makes
> the gets and puts NOPs, and is checked in ->release() to catch mistakes.

I wonder if it might get detected by is_kernel_inittext().

Best Regards,
Petr