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[45.160.36.99]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42cb7fd8baesm12473639f8f.39.2025.11.21.10.50.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Nov 2025 10:50:59 -0800 (PST) From: Marcos Paulo de Souza Date: Fri, 21 Nov 2025 15:50:33 -0300 Subject: [PATCH v2 1/4] drivers: serial: kgdboc: Drop checks for CON_ENABLED and CON_BOOT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251121-printk-cleanup-part2-v2-1-57b8b78647f4@suse.com> References: <20251121-printk-cleanup-part2-v2-0-57b8b78647f4@suse.com> In-Reply-To: <20251121-printk-cleanup-part2-v2-0-57b8b78647f4@suse.com> To: Petr Mladek , Steven Rostedt , John Ogness , Sergey Senozhatsky , Greg Kroah-Hartman , Jiri Slaby , Jason Wessel , Daniel Thompson , Douglas Anderson , Richard Weinberger , Anton Ivanov , Johannes Berg Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, kgdb-bugreport@lists.sourceforge.net, linux-um@lists.infradead.org, Marcos Paulo de Souza X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1763751050; l=1305; i=mpdesouza@suse.com; s=20231031; h=from:subject:message-id; bh=TNAGn41MV021H2aUeZwKlB7H00LNs29SUKDaNMAUfzg=; b=44EC1mGND1ysTRERb+Is2jw0ncg0VNA7gddxT3UyAFKxKAz8occNwGH/6zo30HTuKMjRMAhop twSzNFMCXkUByZW8HmxONIKjpn1N/Dp+wJcwjrr3eEm01IAp44DV16a X-Developer-Key: i=mpdesouza@suse.com; a=ed25519; pk=/Ni/TsKkr69EOmdZXkp1Q/BlzDonbOBRsfPa18ySIwU= The original code tried to find a console that has CON_BOOT _or_ CON_ENABLED flag set. The flag CON_ENABLED is set to all registered consoles, so in this case this check is always true, even for the CON_BOOT consoles. The initial intent of the kgdboc_earlycon_init was to get a console early (CON_BOOT) or later on in the process (CON_ENABLED). The code was using for_each_console macro, meaning that all console structs were previously registered on the printk() machinery. At this point, any console found on for_each_console is safe for kgdboc_earlycon_init to use. Dropping the check makes the code cleaner, and avoids further confusion by future readers of the code. Signed-off-by: Marcos Paulo de Souza Reviewed-by: Petr Mladek --- drivers/tty/serial/kgdboc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index 85f6c5a76e0f..5a955c80a853 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -577,7 +577,6 @@ static int __init kgdboc_earlycon_init(char *opt) console_list_lock(); for_each_console(con) { if (con->write && con->read && - (con->flags & (CON_BOOT | CON_ENABLED)) && (!opt || !opt[0] || strcmp(con->name, opt) =3D=3D 0)) break; } --=20 2.51.1