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linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org Cc: kernel@xen0n.name, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, hpa@zytor.com, keescook@chromium.org, paulmck@kernel.org, peterz@infradead.org, frederic@kernel.org, akpm@linux-foundation.org, ardb@kernel.org, samitolvanen@google.com, juerg.haefliger@canonical.com, arnd@arndb.de, rmk+kernel@armlinux.org.uk, linus.walleij@linaro.org, sebastian.reichel@collabora.com, rppt@kernel.org, kirill.shutemov@linux.intel.com, anshuman.khandual@arm.com, ziy@nvidia.com, masahiroy@kernel.org, ndesaulniers@google.com, mhiramat@kernel.org, ojeda@kernel.org, thunder.leizhen@huawei.com, 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Utilize the common options and provide the ARCH_SUPPORTS_ and ARCH_SELECTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder Acked-by: Palmer Dabbelt --- arch/riscv/Kconfig | 44 +++++++++++++------------------------------- 1 file changed, 13 insertions(+), 31 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index b49793cf34eb..8a3af850597a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -647,48 +647,30 @@ config RISCV_BOOT_SPINWAIT If unsure what to do here, say N. -config KEXEC - bool "Kexec system call" - depends on MMU +config ARCH_SUPPORTS_KEXEC + def_bool MMU + +config ARCH_SELECTS_KEXEC + def_bool y + depends on KEXEC select HOTPLUG_CPU if SMP - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - The name comes from the similarity to the exec system call. +config ARCH_SUPPORTS_KEXEC_FILE + def_bool 64BIT && MMU -config KEXEC_FILE - bool "kexec file based systmem call" - depends on 64BIT && MMU +config ARCH_SELECTS_KEXEC_FILE + def_bool y + depends on KEXEC_FILE select HAVE_IMA_KEXEC if IMA - select KEXEC_CORE select KEXEC_ELF - help - This is new version of kexec system call. This system call is - file based and takes file descriptors as system call argument - for kernel and initramfs as opposed to list of segments as - accepted by previous system call. - - If you don't know what to do here, say Y. config ARCH_HAS_KEXEC_PURGATORY def_bool KEXEC_FILE depends on CRYPTO=y depends on CRYPTO_SHA256=y -config CRASH_DUMP - bool "Build kdump crash kernel" - help - Generate crash dump after being started by kexec. This should - be normally only set in special crash dump kernels which are - loaded in the main kernel with kexec-tools into a specially - reserved region and then later executed after a crash by - kdump/kexec. - - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config COMPAT bool "Kernel support for 32-bit U-mode"