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70d4cbc80c
Attempt VMA lock-based page fault handling first, and fall back to the existing mmap_lock-based handling if that fails. Copied from "x86/mm: try VMA lock-based page fault handling first" [ldufour@linux.ibm.com: powerpc/mm: fix mmap_lock bad unlock] Link: https://lkml.kernel.org/r/20230306154244.17560-1-ldufour@linux.ibm.com Link: https://lore.kernel.org/linux-mm/842502FB-F99C-417C-9648-A37D0ECDC9CE@linux.ibm.com Link: https://lkml.kernel.org/r/20230227173632.3292573-32-surenb@google.com Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> Signed-off-by: Suren Baghdasaryan <surenb@google.com> Cc: Sachin Sant <sachinp@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
39 lines
1001 B
Plaintext
39 lines
1001 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config PPC_POWERNV
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depends on PPC64 && PPC_BOOK3S
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bool "IBM PowerNV (Non-Virtualized) platform support"
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select PPC_HASH_MMU_NATIVE if PPC_64S_HASH_MMU
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select PPC_XICS
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select PPC_ICP_NATIVE
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select PPC_XIVE_NATIVE
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select PPC_P7_NAP
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select FORCE_PCI
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select PCI_MSI
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select EPAPR_BOOT
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select PPC_INDIRECT_PIO
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select PPC_UDBG_16550
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select CPU_FREQ
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select PPC_DOORBELL
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select MMU_NOTIFIER
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select FORCE_SMP
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select ARCH_SUPPORTS_PER_VMA_LOCK
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default y
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config OPAL_PRD
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tristate "OPAL PRD driver"
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depends on PPC_POWERNV
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help
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This enables the opal-prd driver, a facility to run processor
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recovery diagnostics on OpenPower machines
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config PPC_MEMTRACE
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bool "Enable runtime allocation of RAM for tracing"
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depends on PPC_POWERNV && MEMORY_HOTPLUG && CONTIG_ALLOC
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help
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Enabling this option allows for runtime allocation of memory (RAM)
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for hardware tracing.
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config SCOM_DEBUGFS
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bool "Expose SCOM controllers via debugfs"
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depends on DEBUG_FS
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