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| author |   Nicholas Piggin <npiggin@gmail.com> | 2020-07-16 11:35:22 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-07-23 17:43:23 +1000 |
| commit | 2384b36f9156c3b815a5ce5f694edc5054ab7625 (patch) | |
| tree | 1c899ff71242c1660cdf826f87bd1136898fb1d8 /Documentation/features | |
| parent | powerpc/64: Fix an out of date comment about MMIO ordering (diff) | |
| download | linux-dev-2384b36f9156c3b815a5ce5f694edc5054ab7625.tar.xz linux-dev-2384b36f9156c3b815a5ce5f694edc5054ab7625.zip | |
powerpc: Select ARCH_HAS_MEMBARRIER_SYNC_CORE
powerpc return from interrupt and return from system call sequences
are context synchronising.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200716013522.338318-1-npiggin@gmail.com
Diffstat (limited to 'Documentation/features')
| -rw-r--r-- | Documentation/features/sched/membarrier-sync-core/arch-support.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/features/sched/membarrier-sync-core/arch-support.txt b/Documentation/features/sched/membarrier-sync-core/arch-support.txt index 8a521a622966..52ad74a25f54 100644 --- a/Documentation/features/sched/membarrier-sync-core/arch-support.txt +++ b/Documentation/features/sched/membarrier-sync-core/arch-support.txt @@ -5,7 +5,7 @@ # # Architecture requirements # -# * arm/arm64 +# * arm/arm64/powerpc # # Rely on implicit context synchronization as a result of exception return # when returning from IPI handler, and when returning to user-space. @@ -45,7 +45,7 @@ | nios2: | TODO | | openrisc: | TODO | | parisc: | TODO | - | powerpc: | TODO | + | powerpc: | ok | | riscv: | TODO | | s390: | TODO | | sh: | TODO | |