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| author | Laurent Dufour <ldufour@linux.ibm.com> | 2023-02-27 09:36:30 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-05 20:03:02 -0700 |
| commit | 70d4cbc80c88251de0a5b3e8df3275901f1fa99a (patch) | |
| tree | 9e28b305b0865834fbef6ea57f8efce5f13db10e /arch/powerpc/platforms/pseries/Kconfig | |
| parent | cd7f176aea5f5929a09a91c661a26912cc995d1b (diff) | |
| download | linux-70d4cbc80c88251de0a5b3e8df3275901f1fa99a.tar.gz linux-70d4cbc80c88251de0a5b3e8df3275901f1fa99a.tar.bz2 linux-70d4cbc80c88251de0a5b3e8df3275901f1fa99a.zip | |
powerc/mm: try VMA lock-based page fault handling first
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>
Diffstat (limited to 'arch/powerpc/platforms/pseries/Kconfig')
| -rw-r--r-- | arch/powerpc/platforms/pseries/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 21b22bf16ce6..4ebf2ef2845d 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -22,6 +22,7 @@ config PPC_PSERIES select HOTPLUG_CPU select FORCE_SMP select SWIOTLB + select ARCH_SUPPORTS_PER_VMA_LOCK default y config PARAVIRT |