diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 71 |
1 files changed, 32 insertions, 39 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d111044f41a2..ec4047e170a0 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -127,7 +127,8 @@ config PPC select IRQ_FORCED_THREADING select HAVE_RCU_TABLE_FREE if SMP select HAVE_SYSCALL_TRACEPOINTS - select HAVE_CBPF_JIT if CPU_BIG_ENDIAN + select HAVE_CBPF_JIT if !PPC64 + select HAVE_EBPF_JIT if PPC64 select HAVE_ARCH_JUMP_LABEL select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_HAS_GCOV_PROFILE_ALL @@ -163,6 +164,8 @@ config PPC select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS + select GENERIC_CPU_AUTOPROBE + select HAVE_VIRT_CPU_ACCOUNTING config GENERIC_CSUM def_bool CPU_LITTLE_ENDIAN @@ -456,6 +459,29 @@ config KEXEC interface is strongly in flux, so no good recommendation can be made. +config RELOCATABLE + bool "Build a relocatable kernel" + depends on (PPC64 && !COMPILE_TEST) || (FLATMEM && (44x || FSL_BOOKE)) + select NONSTATIC_KERNEL + help + This builds a kernel image that is capable of running at the + location the kernel is loaded at. For ppc32, there is no any + alignment restrictions, and this feature is a superset of + DYNAMIC_MEMSTART and hence overrides it. For ppc64, we should use + 16k-aligned base address. The kernel is linked as a + position-independent executable (PIE) and contains dynamic relocations + which are processed early in the bootup process. + + One use is for the kexec on panic case where the recovery kernel + must live at a different physical address than the primary + kernel. + + Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address + it has been loaded at and the compile time physical addresses + CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START + setting can still be useful to bootwrappers that need to know the + load address of the kernel (eg. u-boot/mkimage). + config CRASH_DUMP bool "Build a kdump crash kernel" depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP) @@ -948,29 +974,6 @@ config DYNAMIC_MEMSTART This option is overridden by CONFIG_RELOCATABLE -config RELOCATABLE - bool "Build a relocatable kernel" - depends on ADVANCED_OPTIONS && FLATMEM && (44x || FSL_BOOKE) - select NONSTATIC_KERNEL - help - This builds a kernel image that is capable of running at the - location the kernel is loaded at, without any alignment restrictions. - This feature is a superset of DYNAMIC_MEMSTART and hence overrides it. - - One use is for the kexec on panic case where the recovery kernel - must live at a different physical address than the primary - kernel. - - Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address - it has been loaded at and the compile time physical addresses - CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START - setting can still be useful to bootwrappers that need to know the - load address of the kernel (eg. u-boot/mkimage). - -config RELOCATABLE_PPC32 - def_bool y - depends on PPC32 && RELOCATABLE - config PAGE_OFFSET_BOOL bool "Set custom page offset address" depends on ADVANCED_OPTIONS @@ -1053,24 +1056,14 @@ config CONSISTENT_SIZE config PIN_TLB bool "Pinned Kernel TLBs (860 ONLY)" depends on ADVANCED_OPTIONS && 8xx + +config PIN_TLB_IMMR + bool "Pinned TLB for IMMR" + depends on PIN_TLB + default y endmenu if PPC64 -config RELOCATABLE - bool "Build a relocatable kernel" - depends on !COMPILE_TEST - select NONSTATIC_KERNEL - help - This builds a kernel image that is capable of running anywhere - in the RMA (real memory area) at any 16k-aligned base address. - The kernel is linked as a position-independent executable (PIE) - and contains dynamic relocations which are processed early - in the bootup process. - - One use is for the kexec on panic case where the recovery kernel - must live at a different physical address than the primary - kernel. - # This value must have zeroes in the bottom 60 bits otherwise lots will break config PAGE_OFFSET hex |