forked from Minki/linux
3d923c5f1e
Now all the platforms enable ARCH_HAS_GET_PAGE_PROT. They define and export own vm_get_page_prot() whether custom or standard DECLARE_VM_GET_PAGE_PROT. Hence there is no need for default generic fallback for vm_get_page_prot(). Just drop this fallback and also ARCH_HAS_GET_PAGE_PROT mechanism. Link: https://lkml.kernel.org/r/20220711070600.2378316-27-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Brian Cain <bcain@quicinc.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Vineet Gupta <vgupta@kernel.org> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
139 lines
3.0 KiB
Plaintext
139 lines
3.0 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config M68K
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bool
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default y
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select ARCH_32BIT_OFF_T
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select ARCH_HAS_BINFMT_FLAT
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select ARCH_HAS_CURRENT_STACK_POINTER
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select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
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select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA
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select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
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select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
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select ARCH_NO_PREEMPT if !COLDFIRE
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select ARCH_USE_MEMTEST if MMU_MOTOROLA
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select ARCH_WANT_IPC_PARSE_VERSION
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select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
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select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE
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select GENERIC_ATOMIC64
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select GENERIC_CPU_DEVICES
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select GENERIC_IOMAP
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select GENERIC_IRQ_SHOW
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select HAVE_ASM_MODVERSIONS
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select HAVE_DEBUG_BUGVERBOSE
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select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
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select HAVE_MOD_ARCH_SPECIFIC
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select HAVE_UID16
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select MMU_GATHER_NO_RANGE if MMU
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select MODULES_USE_ELF_REL
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select MODULES_USE_ELF_RELA
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select NO_DMA if !MMU && !COLDFIRE
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select OLD_SIGACTION
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select OLD_SIGSUSPEND3
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select UACCESS_MEMCPY if !MMU
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select ZONE_DMA
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config CPU_BIG_ENDIAN
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def_bool y
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config ARCH_HAS_ILOG2_U32
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bool
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config ARCH_HAS_ILOG2_U64
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bool
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config GENERIC_HWEIGHT
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bool
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default y
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config GENERIC_CSUM
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bool
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config TIME_LOW_RES
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bool
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default y
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config NO_IOPORT_MAP
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def_bool y
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config HZ
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int
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default 1000 if CLEOPATRA
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default 100
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config PGTABLE_LEVELS
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default 2 if SUN3 || COLDFIRE
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default 3
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config MMU
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bool "MMU-based Paged Memory Management Support"
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default y
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help
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Select if you want MMU-based virtualised addressing space
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support by paged memory management. If unsure, say 'Y'.
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config MMU_MOTOROLA
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bool
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config MMU_COLDFIRE
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bool
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config MMU_SUN3
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bool
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depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
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config KEXEC
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bool "kexec system call"
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depends on M68KCLASSIC
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select KEXEC_CORE
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help
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kexec is a system call that implements the ability to shutdown your
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current kernel, and to start another kernel. It is like a reboot
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but it is independent of the system firmware. And like a reboot
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you can start any kernel with it, not just Linux.
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The name comes from the similarity to the exec system call.
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It is an ongoing process to be certain the hardware in a machine
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is properly shutdown, so do not be surprised if this code does not
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initially work for you. As of this writing the exact hardware
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interface is strongly in flux, so no good recommendation can be
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made.
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config BOOTINFO_PROC
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bool "Export bootinfo in procfs"
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depends on KEXEC && M68KCLASSIC
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help
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Say Y to export the bootinfo used to boot the kernel in a
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"bootinfo" file in procfs. This is useful with kexec.
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menu "Platform setup"
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source "arch/m68k/Kconfig.cpu"
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source "arch/m68k/Kconfig.machine"
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source "arch/m68k/Kconfig.bus"
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endmenu
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menu "Kernel Features"
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endmenu
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if !MMU
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menu "Power management options"
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config PM
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bool "Power Management support"
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help
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Support processor power management modes
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endmenu
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endif
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source "arch/m68k/Kconfig.devices"
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