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[213.112.54.87]) by smtp.gmail.com with ESMTPSA id o17sm312349lff.77.2018.12.13.04.29.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 13 Dec 2018 04:29:51 -0800 (PST) From: Anders Roxell To: linux-kernel@vger.kernel.org Cc: catalin.marinas@arm.com, will.deacon@arm.com, arnd@arndb.de, mingo@redhat.com, rostedt@goodmis.org, akpm@linux-foundation.org, broonie@kernel.org, Anders Roxell Subject: [RFC PATCH 3/3] arm64: add a new config option KTEST_RUNNABLE Date: Thu, 13 Dec 2018 13:29:10 +0100 Message-Id: <20181213122910.24193-4-anders.roxell@linaro.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181213122910.24193-1-anders.roxell@linaro.org> References: <20181213122910.24193-1-anders.roxell@linaro.org> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With this new config option, we can boot a allmodconfig kernel in qemu. Config options SERIAL_AMBA_PL011, SERIAL_AMBA_PL011_CONSOLE, UNIX needs to be enabled in order to get a console. Options like CPU_BIG_ENDIAN, CMDLINE_FORCE, CMDLINE_OVERRIDE and HVC_DCC needs to be disabled. Co-developed-by: Arnd Bergmann Signed-off-by: Arnd Bergmann Signed-off-by: Anders Roxell --- arch/arm64/Kconfig | 8 ++++++++ drivers/tty/hvc/Kconfig | 1 + init/Kconfig | 1 + 3 files changed, 10 insertions(+) -- 2.19.2 diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1f52362f8d99..bb17ccb7bab2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -292,6 +292,12 @@ config ARCH_SUPPORTS_UPROBES config ARCH_PROC_KCORE_TEXT def_bool y +config KTEST_RUNNABLE + bool "Test build kernels that run in qemu for ktest" + select SERIAL_AMBA_PL011 + select SERIAL_AMBA_PL011_CONSOLE + select UNIX + source "arch/arm64/Kconfig.platforms" menu "Kernel Features" @@ -773,6 +779,7 @@ config ARM64_PA_BITS config CPU_BIG_ENDIAN bool "Build big-endian kernel" + depends on !KTEST_RUNNABLE help Say Y if you plan on running a kernel in big-endian mode. @@ -1381,6 +1388,7 @@ config CMDLINE config CMDLINE_FORCE bool "Always use the default kernel command string" + depends on !KTEST_RUNNABLE help Always use the default kernel command string, even if the boot loader passes other arguments to the kernel. diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig index 4293c172e120..44e23c2388bd 100644 --- a/drivers/tty/hvc/Kconfig +++ b/drivers/tty/hvc/Kconfig @@ -82,6 +82,7 @@ config HVC_UDBG config HVC_DCC bool "ARM JTAG DCC console" depends on ARM || ARM64 + depends on !KTEST_RUNNABLE select HVC_DRIVER help This console uses the JTAG DCC on ARM to create a console under the HVC diff --git a/init/Kconfig b/init/Kconfig index b633716e48f5..3ea5297b7305 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1844,6 +1844,7 @@ config CMDLINE_PREPEND config CMDLINE_OVERRIDE bool "Built-in command line overrides boot loader arguments" depends on CMDLINE_BOOL + depends on !KTEST_RUNNABLE help Set this option to 'Y' to have the kernel ignore the boot loader command line, and use ONLY the built-in command line. In this case