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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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autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771235938315063323 X-GMAIL-MSGID: 1771235938315063323 The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. 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 Reviewed-by: Sourabh Jain --- arch/powerpc/Kconfig | 55 ++++++++++++++------------------------------ 1 file changed, 17 insertions(+), 38 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 0b1172cbeccb..1695a71777f0 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -589,41 +589,21 @@ config PPC64_SUPPORTS_MEMORY_FAILURE default "y" if PPC_POWERNV select ARCH_SUPPORTS_MEMORY_FAILURE -config KEXEC - bool "kexec system call" - depends on PPC_BOOK3S || PPC_E500 || (44x && !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. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. As of this writing the exact hardware - interface is strongly in flux, so no good recommendation can be - made. - -config KEXEC_FILE - bool "kexec file based system call" - select KEXEC_CORE - select HAVE_IMA_KEXEC if IMA - select KEXEC_ELF - depends on PPC64 - depends on CRYPTO=y - depends on CRYPTO_SHA256=y - help - This is a new version of the kexec system call. This call is - file based and takes in file descriptors as system call arguments - for kernel and initramfs as opposed to a list of segments as is the - case for the older kexec call. +config ARCH_SUPPORTS_KEXEC + def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP) + +config ARCH_SUPPORTS_KEXEC_FILE + def_bool PPC64 && CRYPTO=y && CRYPTO_SHA256=y config ARCH_HAS_KEXEC_PURGATORY def_bool KEXEC_FILE +config ARCH_SELECTS_KEXEC_FILE + def_bool y + depends on KEXEC_FILE + select KEXEC_ELF + select HAVE_IMA_KEXEC if IMA + config PPC64_BIG_ENDIAN_ELF_ABI_V2 # Option is available to BFD, but LLD does not support ELFv1 so this is # always true there. @@ -683,14 +663,13 @@ config RELOCATABLE_TEST loaded at, which tends to be non-zero and therefore test the relocation code. -config CRASH_DUMP - bool "Build a dump capture kernel" - depends on PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) +config ARCH_SUPPORTS_CRASH_DUMP + def_bool PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) + +config ARCH_SELECTS_CRASH_DUMP + def_bool y + depends on CRASH_DUMP select RELOCATABLE if PPC64 || 44x || PPC_85xx - help - Build a kernel suitable for use as a dump capture kernel. - The same kernel binary can be used as production kernel and dump - capture kernel. config FA_DUMP bool "Firmware-assisted dump"