From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Date: Fri, 20 Jul 2018 12:08:00 +0000 Subject: Re: [PATCH v3 0/2] fbdev/core: Disable console-lock warnings when fb.lockless_register_fb is set Message-Id: <20180720120800.GB11590@tigerII.localdomain> List-Id: References: <20180719101601.25076-1-tzimmermann@suse.de> In-Reply-To: <20180719101601.25076-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Thomas Zimmermann Cc: pmladek@suse.com, linux-fbdev@vger.kernel.org, sergey.senozhatsky.work@gmail.com, b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, sergey.senozhatsky@gmail.com, hdegoede@redhat.com, rostedt@goodmis.org, akpm@linux-foundation.org On (07/19/18 12:15), Thomas Zimmermann wrote: > this is version 3 of the WARN_CONSOLE_UNLOCKED patch set. The > macro prints a warning if the console's critical sections are > entered without holding the console lock. This patch set allows > to disable the warnings while debugging the console. > > In the original approach, WARN_CONSOLE_UNLOCKED was disabled by > setting ignore_console_lock_warning of type bool. As suggested by > Petr Mladek, the new implementation is based on atomic_t and allows > multiple threads to manipulate the warning state concurrently. > > With version 3, the patch set now includes the patch for introducing > ignore_console_lock_warning. This patch superseds all previous patches > of the same purpose. > > Best regards > Thomas > > v3: > - implement ignore_console_lock_warning with atomic_t > v2: > - restore ignore_console_lock_warning if lock_fb_info() fails Reviewed-by: Sergey Senozhatsky -ss