diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index c7f120aaa98f..3da87e198878 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -80,6 +80,7 @@ config ARCH_HAS_DMA_SET_COHERENT_MASK config PPC bool default y + select BUILDTIME_EXTABLE_SORT select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select BINFMT_ELF @@ -163,6 +164,7 @@ config PPC select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE select HAVE_ARCH_HARDENED_USERCOPY select HAVE_KERNEL_GZIP + select HAVE_CC_STACKPROTECTOR config GENERIC_CSUM def_bool CPU_LITTLE_ENDIAN @@ -396,6 +398,14 @@ config MPROFILE_KERNEL depends on PPC64 && CPU_LITTLE_ENDIAN def_bool !DISABLE_MPROFILE_KERNEL +config USE_THIN_ARCHIVES + bool "Build the kernel using thin archives" + default n + select THIN_ARCHIVES + help + Build the kernel using thin archives. + If you're unsure say N. + config IOMMU_HELPER def_bool PPC64 @@ -456,6 +466,19 @@ config KEXEC 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 BUILD_BIN2C + 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 RELOCATABLE bool "Build a relocatable kernel" depends on (PPC64 && !COMPILE_TEST) || (FLATMEM && (44x || FSL_BOOKE)) @@ -479,6 +502,15 @@ config RELOCATABLE setting can still be useful to bootwrappers that need to know the load address of the kernel (eg. u-boot/mkimage). +config RELOCATABLE_TEST + bool "Test relocatable kernel" + depends on (PPC64 && RELOCATABLE) + default n + help + This runs the relocatable kernel at the address it was initially + loaded at, which tends to be non-zero and therefore test the + relocation code. + config CRASH_DUMP bool "Build a kdump crash kernel" depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP) @@ -490,7 +522,7 @@ config CRASH_DUMP config FA_DUMP bool "Firmware-assisted dump" - depends on PPC64 && PPC_RTAS && CRASH_DUMP && KEXEC + depends on PPC64 && PPC_RTAS && CRASH_DUMP && KEXEC_CORE help A robust mechanism to get reliable kernel crash dump with assistance from firmware. This approach does not use kexec, @@ -549,6 +581,13 @@ config ARCH_SPARSEMEM_DEFAULT config SYS_SUPPORTS_HUGETLBFS bool +config ILLEGAL_POINTER_VALUE + hex + # This is roughly half way between the top of user space and the bottom + # of kernel space, which seems about as good as we can get. + default 0x5deadbeef0000000 if PPC64 + default 0 + source "mm/Kconfig" config ARCH_MEMORY_PROBE |