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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2023; t=1707057119; 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: content-transfer-encoding:content-transfer-encoding; bh=qJ87ib5NalQBsE0FEcn0KlRmTdklRyj6MKZDkNe11vQ=; b=RtNHom6JI6RkmMeXzH6a+49AZmKXwaKkirC5Iwil6gWqfFfrxerCPDs3x9HhVd4pC8p/uu YGtZWqvRyBNq45ZHdycRXIp9reQ3A4xzKO6xBYL4LjUTXDJ3Nf2s/+eGeR7FDu3I3aLY7+ 1XznKspbCoavxbiyVGuaSLVt3KGQ3hfiSxPV6/sSFgiRTa1V+Ku91PG3d4SziN85n3nPkt fsH0dUcNFwz1KVmrNiannn//7gzJZzvGbKqQqjrIcBK7D2cfjolMZQ7ZB5pX6J+4wdY7S9 3TemVograxUKJwp6FFiXWRzFk8K3uVa+oahbTjNLJsPiN6nE1iTRF9cLpr1gVQ== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Sun, 04 Feb 2024 11:32:29 -0300 Subject: [PATCH] x86: mce: make mce_subsys const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240204-bus_cleanup-x86-v1-1-4e7171be88e8@marliere.net> X-B4-Tracking: v=1; b=H4sIAPyfv2UC/x3MQQqAIBBA0avErBNsMLGuEhFlYw2EhWIE0t2Tl m/xf4ZIgSlCX2UIdHPk0xc0dQV2n/1GgtdiQIlKolRiSXGyB80+XeIxWjhsTYdWN8oZKNUVyPH zH4fxfT/CoSCZYQAAAA== To: Tony Luck , Borislav Petkov , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1103; i=ricardo@marliere.net; h=from:subject:message-id; bh=bUoLgCW4qDj2Uqe1nE0GJYpMsDm2UIDql8AeznRxBV0=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlv5/8537zX6l2Is1D9nWshJ9YkX2/EORuLAleN /gjLqYY0ACJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZb+f/AAKCRDJC4p8Y4ZY pirXEACtl2pH/pB4h7ybWOUKkAeEnII2gqhOlBGWBX+nAtEJCuXysXgk+9j1AhZBwL9bMw/bR2T zylkTxyMBku1o8x8h2JJ6RV6I0RqBJDFUmKYUqeU/2OQJi4aHd/WwTq0tY2hmn9DM3GVgWSXO56 YJCMv5wipe8A6r9gcwnj96Jxmsm0/i7zOvX/4OagXRyVl6Z6nnuSUAPHHq6vEQ8TIzLE9nhfFZl lMwIxrrJgqZfiUQK5wP5v3v5wZgJvZL2FBPOAaMlJJcnYbWsrbQmb5caBVoRZBByRUlrrWjQzZf XnI7pnBf0J7TXHGp66qP17Zfm9xyBRnyFVqKQgx0Er0AybdGz5n1WGgjW48o5W7uzrIVocxCyxE Djn3oNXWopLiUcfBgq0sLZ9zk3AoJBsG/lcentrz1cAo4ZitxQZswB4zk1TiBExAehNgYphGow0 1WUO8togPILVyCwCMMjG9iHAgb11M59X0WKKEZYpnDnQC/64Jm0TKLrxNUY5coyg766TFXix3s7 +F2AmydwNtr7BFUQkE+S+5s5Wj8lJ0lyNPRCQtg++T/xBKbVMA0E3XPBFnudevmcOF/yPYIzLUx iHcqmlOKxavPh+NBYdQQlGobY/+HCignK7vOcF6MxiWdsDskrFDUetnAz2wqpVP+ZP07bMA45HY Rynio7/gPSqW/EQ== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789979153755869269 X-GMAIL-MSGID: 1789979153755869269 Now that the driver core can properly handle constant struct bus_type, move the mce_subsys variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere Reviewed-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/mce/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: edc8fc01f608108b0b7580cb2c29dfb5135e5f0e change-id: 20240204-bus_cleanup-x86-f25892c614f8 Best regards, diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 7b397370b4d6..9bb208ba7ff4 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -2399,7 +2399,7 @@ static void mce_enable_ce(void *all) __mcheck_cpu_init_timer(); } -static struct bus_type mce_subsys = { +static const struct bus_type mce_subsys = { .name = "machinecheck", .dev_name = "machinecheck", };