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Fri, 01 May 2020 04:48:41 -0700 (PDT) Subject: Re: [RFC PATCH v2 1/3] printk: Add function to set console to preferred console's driver To: Sergey Senozhatsky References: <20200430161438.17640-1-alpernebiyasak@gmail.com> <20200430161438.17640-2-alpernebiyasak@gmail.com> <20200501014454.GB288759@jagdpanzerIV.localdomain> From: Alper Nebi Yasak Message-ID: Date: Fri, 1 May 2020 14:48:36 +0300 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200501014454.GB288759@jagdpanzerIV.localdomain> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200501_044845_722265_4D7B015F X-CRM114-Status: GOOD ( 13.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Petr Mladek , Feng Tang , Benjamin Herrenschmidt , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Steven Rostedt , Arvind Sankar , linux-serial@vger.kernel.org, Jiri Slaby , Andrew Morton , Andy Shevchenko , "David S. Miller" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01/05/2020 04:44, Sergey Senozhatsky wrote: > Hmm. Preferred console selection is very fragile, there are too many > setups and workarounds that even minor tweaks introduce regressions > oftentimes. All this would only execute on #ifdef VT_CONSOLE right now and I think they can be gated further by a new Kconfig like VT_CONSOLE_PREFERRED, if that'd make it better. > We have, by the way, a pending patchset which changes the same > are - preferred console selection. > > git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git for-5.7-preferred-console I was working on next-20200430 where that patchset is already included, can confirm it doesn't solve this problem. I hope I've correctly avoided breaking it by setting its "has_preferred_console" variable (thus this patchset somewhat depends on that). > Let me take a look over the weekend. Thanks in advance. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel