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AJvYcCWfDH1MHg5JUdWhZDIBbe7Tc0tUkA0eKEs2pQAPryvnwDPjZXqGvbYVFg4ATSdGALmCo9a5OBy2KafMvw1C7aXAEyV4/98WOh/oAtCM X-Gm-Message-State: AOJu0YxtPiawJDAsTwe0y51+N+ik0w5rfnd+nmfSOQ97o3ncyV94pDSO B8qkbNsf4VsHnX71momivEnd3KdzgJ8WHKBmeUOemXErThzD1peDiStCWXBQQc0= X-Google-Smtp-Source: AGHT+IGSNgAtmWQfb0w8Kl65ihzrKqCApb6t06Ku0iJmdFWRb730Oyxyj8fQ3oS7uwaOTj9nQj/rrg== X-Received: by 2002:a05:600c:19c8:b0:41f:d84b:1ade with SMTP id 5b1f17b1804b1-41feac5560amr234770785e9.27.1715957480894; Fri, 17 May 2024 07:51:20 -0700 (PDT) Received: from pathway.suse.cz ([176.114.240.50]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4200e518984sm242602035e9.23.2024.05.17.07.51.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 May 2024 07:51:20 -0700 (PDT) Date: Fri, 17 May 2024 16:51:18 +0200 From: Petr Mladek To: John Ogness Cc: Sergey Senozhatsky , Steven Rostedt , Thomas Gleixner , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Jiri Slaby , Russell King , Tony Lindgren , Andy Shevchenko , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , =?iso-8859-1?Q?Th=E9o?= Lebrun , Linus Walleij , Hongyu Xie , Christophe JAILLET , Arnd Bergmann , Lino Sanfilippo , linux-serial@vger.kernel.org Subject: Re: [PATCH printk v5 09/30] serial: core: Introduce wrapper to set @uart_port->cons Message-ID: References: <20240502213839.376636-1-john.ogness@linutronix.de> <20240502213839.376636-10-john.ogness@linutronix.de> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240502213839.376636-10-john.ogness@linutronix.de> On Thu 2024-05-02 23:44:18, John Ogness wrote: > Introduce uart_port_set_cons() as a wrapper to set @cons of a > uart_port. The wrapper sets @cons under the port lock in order > to prevent @cons from disappearing while another context is > holding the port lock. This is necessary for a follow-up > commit relating to the port lock wrappers, which rely on @cons > not changing between lock and unlock. > > Signed-off-by: John Ogness Reviewed-by: Petr Mladek Best Regards, Petr