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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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79a69d342d
interface). - Simple earlyprintk support. - Platform devices populated by default from the DT (SoC-agnostic). - CONTEXTIDR support (used by external trace tools). -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iQIcBAABAgAGBQJRJOI1AAoJEGvWsS0AyF7xzfwP/0vyy1BE9oBWsISu/ITCfMa0 X6nffGoh1bcq2TqwqYD3M9gH5HJkd/JzyGDyuJdZB72XOB2Z0eiZYTs1E46MhP8g 17FH0QJG0D5hi32byDM8A1NC+z2Ep6YRDQzlvG1F2StsLDJqZIL0tsSdld8L7gu6 F/IS6NQy2eGmCcFvX7MCBRien53dPxYhrQfzKcUcCsWZDy1HfSoOBZE4XhZO3eTL HiAMDtqb1mTxsHOHHehJLOcEeFH4U7FM1k525VFzrFgCoZ10N85X57guzhnK63Bj zmdlP0CvVZDt/vGU08ZJDDWahGzDo6i1tLF66ZDy888zG/QjM2AdGjz99YH/L2so TrqGvVtX89doV5isvmS0mJjDx42QwO9881DlrDSMumWu2iVtwmRWcrdZ5MPSyrKU bhrDU57/EvHTMbNScaA4SrPVhM2kIoUUYJBLDxiaKfk577mjFod/gfhgg7Mc0I67 q3jWv9NdcODmX5FAWXZ2jQ0Lz1PsVHNNjpZZQY3TKMLbSLgk+Vcsu07quWxtJl6K QqOGAS9QWX6jb1qIxw8NdB0qbGpGR2jIHBRtMNNB65luPm8EqH4bHmGWy6fUahJr 8UJBUA+v5kRjYwtO6AAtzaJavYePRhAqMIGUu8eoatPzN5JOObp9RAtYuQZNTN9v asKJKRGfD8kwBSeovt+X =2prj -----END PGP SIGNATURE----- Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 Pull arm64 patches from Catalin Marinas: - SMP support for the PSCI booting protocol (power state coordination interface). - Simple earlyprintk support. - Platform devices populated by default from the DT (SoC-agnostic). - CONTEXTIDR support (used by external trace tools). * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: arm64: mm: update CONTEXTIDR register to contain PID of current process arm64: atomics: fix grossly inconsistent asm constraints for exclusives arm64: compat: use compat_uptr_t type for compat_ucontext.uc_link arm64: Select ARCH_WANT_FRAME_POINTERS arm64: Add kvm_para.h and xor.h generic headers arm64: SMP: enable PSCI boot method arm64: psci: add support for PSCI invocations from the kernel arm64: SMP: rework the SMP code to be enabling method agnostic arm64: perf: add guest vs host discrimination arm64: add COMPAT_PSR_*_BIT flags arm64: Add simple earlyprintk support arm64: Populate the platform devices
234 lines
4.7 KiB
Plaintext
234 lines
4.7 KiB
Plaintext
config ARM64
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def_bool y
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select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
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select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
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select ARCH_WANT_FRAME_POINTERS
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select ARM_AMBA
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select CLONE_BACKWARDS
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select COMMON_CLK
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select GENERIC_CLOCKEVENTS
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select GENERIC_HARDIRQS_NO_DEPRECATED
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select GENERIC_IOMAP
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select GENERIC_IRQ_PROBE
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select GENERIC_IRQ_SHOW
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select GENERIC_SMP_IDLE_THREAD
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select GENERIC_TIME_VSYSCALL
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select HARDIRQS_SW_RESEND
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DEBUG_BUGVERBOSE
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select HAVE_DEBUG_KMEMLEAK
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select HAVE_DMA_API_DEBUG
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select HAVE_DMA_ATTRS
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select HAVE_GENERIC_DMA_COHERENT
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select HAVE_GENERIC_HARDIRQS
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select HAVE_HW_BREAKPOINT if PERF_EVENTS
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select HAVE_MEMBLOCK
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select HAVE_PERF_EVENTS
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select IRQ_DOMAIN
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select MODULES_USE_ELF_RELA
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select NO_BOOTMEM
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select OF
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select OF_EARLY_FLATTREE
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select PERF_USE_VMALLOC
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select RTC_LIB
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select SPARSE_IRQ
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select SYSCTL_EXCEPTION_TRACE
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help
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ARM 64-bit (AArch64) Linux support.
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config 64BIT
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def_bool y
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config ARCH_PHYS_ADDR_T_64BIT
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def_bool y
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config MMU
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def_bool y
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config NO_IOPORT
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def_bool y
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config STACKTRACE_SUPPORT
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def_bool y
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config LOCKDEP_SUPPORT
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def_bool y
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config TRACE_IRQFLAGS_SUPPORT
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def_bool y
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config GENERIC_LOCKBREAK
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def_bool y
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depends on SMP && PREEMPT
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config GENERIC_HWEIGHT
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def_bool y
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config GENERIC_CSUM
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def_bool y
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config GENERIC_CALIBRATE_DELAY
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def_bool y
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config ZONE_DMA32
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def_bool y
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config ARCH_DMA_ADDR_T_64BIT
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def_bool y
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config NEED_DMA_MAP_STATE
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def_bool y
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config NEED_SG_DMA_LENGTH
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def_bool y
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config SWIOTLB
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def_bool y
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config IOMMU_HELPER
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def_bool SWIOTLB
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config GENERIC_GPIO
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def_bool y
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source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "System Type"
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endmenu
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menu "Bus support"
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config ARM_AMBA
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bool
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endmenu
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menu "Kernel Features"
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source "kernel/time/Kconfig"
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config ARM64_64K_PAGES
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bool "Enable 64KB pages support"
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help
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This feature enables 64KB pages support (4KB by default)
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allowing only two levels of page tables and faster TLB
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look-up. AArch32 emulation is not available when this feature
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is enabled.
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config SMP
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bool "Symmetric Multi-Processing"
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select USE_GENERIC_SMP_HELPERS
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help
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This enables support for systems with more than one CPU. If
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you say N here, the kernel will run on single and
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multiprocessor machines, but will use only one CPU of a
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multiprocessor machine. If you say Y here, the kernel will run
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on many, but not all, single processor machines. On a single
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processor machine, the kernel will run faster if you say N
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here.
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If you don't know what to do here, say N.
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config NR_CPUS
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int "Maximum number of CPUs (2-32)"
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range 2 32
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depends on SMP
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default "4"
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source kernel/Kconfig.preempt
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config HZ
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int
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default 100
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config ARCH_HAS_HOLES_MEMORYMODEL
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def_bool y if SPARSEMEM
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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select SPARSEMEM_VMEMMAP_ENABLE
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config ARCH_SPARSEMEM_DEFAULT
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def_bool ARCH_SPARSEMEM_ENABLE
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config ARCH_SELECT_MEMORY_MODEL
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def_bool ARCH_SPARSEMEM_ENABLE
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config HAVE_ARCH_PFN_VALID
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def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
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config HW_PERF_EVENTS
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bool "Enable hardware performance counter support for perf events"
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depends on PERF_EVENTS
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default y
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help
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Enable hardware performance counter support for perf events. If
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disabled, perf events will use software events only.
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source "mm/Kconfig"
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endmenu
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menu "Boot options"
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config CMDLINE
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string "Default kernel command string"
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default ""
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help
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Provide a set of default command-line options at build time by
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entering them here. As a minimum, you should specify the the
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root device (e.g. root=/dev/nfs).
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config CMDLINE_FORCE
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bool "Always use the default kernel command string"
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help
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Always use the default kernel command string, even if the boot
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loader passes other arguments to the kernel.
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This is useful if you cannot or don't want to change the
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command-line options your boot loader passes to the kernel.
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endmenu
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menu "Userspace binary formats"
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source "fs/Kconfig.binfmt"
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config COMPAT
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bool "Kernel support for 32-bit EL0"
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depends on !ARM64_64K_PAGES
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select COMPAT_BINFMT_ELF
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select HAVE_UID16
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help
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This option enables support for a 32-bit EL0 running under a 64-bit
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kernel at EL1. AArch32-specific components such as system calls,
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the user helper functions, VFP support and the ptrace interface are
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handled appropriately by the kernel.
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If you want to execute 32-bit userspace applications, say Y.
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config SYSVIPC_COMPAT
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def_bool y
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depends on COMPAT && SYSVIPC
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endmenu
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source "net/Kconfig"
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source "drivers/Kconfig"
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source "fs/Kconfig"
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source "arch/arm64/Kconfig.debug"
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source "security/Kconfig"
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source "crypto/Kconfig"
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source "lib/Kconfig"
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