From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F650476680; Fri, 2 Oct 2026 09:13:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790932437; cv=none; b=UlxxToUbzuyh9+tF7fpFbGe0LmmjM5mJ0tO971OkgqHBeqz+QAhT28tYvQw2BQ7Dj8fTpon5YMwGEMs8UckFe0KznLFEpXGQ7iL8JNQ2BgzSsXtu84TFErOQxSyGZm1n8bQAe2vJxnZ7lQtaRVhN50mTyNOpLmd+kdN0/HXzvDc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790932437; c=relaxed/simple; bh=XjECC/76Kx4GLg4WNuJ4XZyAdX68d0SjCkq85tltP1c=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=qdztiMZrFoDkDfsvb0tnwnEpnK6KD2Jey7W28/BJ2ZmoktNs2Ousxl8KeAuT6tr+wnzzXzg3v6RoddGo46RivvleHIQBrZ1LPYI1wo0NogHymytnOX2ghG1fqthwjPgm+uujQkVzsNChVPhq70Y123flulz9ogkHkxGn0mmR/p4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=jaluJOCE; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=JMHbJyBx; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="jaluJOCE"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="JMHbJyBx" From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1790932434; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ttetKvleXMEquiPnuWfDClRaQG7XGFkYd7ppUiWWo9E=; b=jaluJOCEffagfAKw28ReqP9Nyn11YnwVvg7Bs3mJoiQnj3hWwRkurg/WfGNjQBTwl8e2zM xXjykMndYfTy0ZgRXHYRTRNwzDlSR75dIkw/5z5qXjviHxRoxt2GJwHx3PSn0SuV2XtP9V /4+Q/PRXras/MUy6nr1WZbEyACtpPUjxFtZClzO9HWV/67BXQFzbQI7+KSVSG0UgVs6FzX KfuBfGnB4nYyDbVO6FdSQ+j/klP3cYAw6scG5HJbpajN6KwWD5AhWgROExCgVRDT26zq+G Wn+meN+3JLN6tlmJHNBwg+gg3v+sWy+nJrkukDsRQUtQrS8oEv3HukBa74JhAg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1790932434; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ttetKvleXMEquiPnuWfDClRaQG7XGFkYd7ppUiWWo9E=; b=JMHbJyBxzxesxJQMV9q6U5w55HlR4gKD0nRMcsAhMS7L/XnvjZuSqwlCa8aqqbV36D/LWQ /LdE2/8z8CZDqaDg== To: Petr Mladek Cc: Sergey Senozhatsky , Steven Rostedt , Marcos Paulo de Souza , Samuel Thibault , Greg Kroah-Hartman , Jiri Slaby , Ilpo =?utf-8?Q?J=C3=A4rvinen?= , Hugo Villeneuve , Fushuai Wang , Kees Cook , Stepan Ionichev , linux-serial@vger.kernel.org, Manuel Lauss , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 1/1] braille: nbcon: Allow to use a serial console with NBCON API as Braille console In-Reply-To: References: <20261001140727.124398-1-pmladek@suse.com> <20261001140727.124398-2-pmladek@suse.com> <87h5j58mj2.fsf@jogness.linutronix.de> Date: Fri, 02 Oct 2026 11:19:53 +0206 Message-ID: <87mrswwjla.fsf@jogness.linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On 2026-10-02, Petr Mladek wrote: > It should be good enough for 7.3. And I wanted to get it into > linux-next ASAP. > > There is still an open problem with the dependency on CONFIG_PRINTK > to fix the Sashiko complains. We might add it as a separate patch. > But we might also try to fix it properly by enabling nbcon.c code > even when CONFIG_PRINTK is disabled, ... It would probably be enough just to set the !CONFIG_PRINTK case to: static inline bool nbcon_braille_try_acquire(struct console *con, struct nbcon_write_context *wctxt) { return true; } Since there is no PRINTK, there will be no consoles to synchronize against. Or in drivers/accessibility/braille/braille_console.c you could change all the panic_on_this_cpu() checks to IS_ENABLED(CONFIG_PRINTK) && panic_on_this_cpu() John