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Fri, 20 Dec 2024 12:07:05 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Fri, 20 Dec 2024 18:06:44 +0100 From: "Arnd Bergmann" To: "Patrice Chotard" , "Olof Johansson" , "Alexandre Torgue" , "Russell King" , "Maxime Coquelin" , "Petr Mladek" , "Yoann Congal" Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, soc@kernel.org Message-Id: In-Reply-To: <20241220125506.3157268-5-patrice.chotard@foss.st.com> References: <20241220125506.3157268-1-patrice.chotard@foss.st.com> <20241220125506.3157268-5-patrice.chotard@foss.st.com> Subject: Re: [PATCH v2 4/4] ARM: configs: stm32: Remove useless flags in STM32 defconfig Content-Type: text/plain Content-Transfer-Encoding: 7bit On Fri, Dec 20, 2024, at 13:55, patrice.chotard@foss.st.com wrote: > From: Patrice Chotard > > As stm32_defconfig is dedicated to STM32 MCUs, disable > CONFIG_COMMON_CLK_STM32MP flag which is only used by STM32 MPUs. > > Disable CONFIG_SUSPEND, CONFIG_ADVISE_SYSCALLS, CONFIG_IO_URING > CONFIG_POSIX_TIMERS, CONFIG_GCC_PLUGINS, it will reduce the kernel > image size for these platforms which embed a low amount of memory. > > Tested on STM32F746-DISCO board which embeds 8MB of memory. Out of curiosity, what is the smallest memory configuration that you see people using on stm32f7/h7 these days? I know we had configs that kind-of worked on 2MB in the past, but I assume there has been a lot of bloat since. Arnd