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authorNicholas Piggin <npiggin@gmail.com>2020-07-16 04:35:22 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-07-23 10:43:23 +0300
commit2384b36f9156c3b815a5ce5f694edc5054ab7625 (patch)
tree1c899ff71242c1660cdf826f87bd1136898fb1d8 /Documentation/features/sched
parent147c13413c04bc6a2bd76f2503402905e5e98cff (diff)
downloadlinux-2384b36f9156c3b815a5ce5f694edc5054ab7625.tar.xz
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/sched')
-rw-r--r--Documentation/features/sched/membarrier-sync-core/arch-support.txt4
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 |