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| author | Will Deacon <will.deacon@arm.com> | 2018-06-26 17:52:38 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2018-07-11 13:02:08 +0300 |
| commit | e69244d29558c947703851a26bfed833945c093a (patch) | |
| tree | 895f91364e86dd61318f347b12afa1104ab0788a /Documentation/features | |
| parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
| download | linux-e69244d29558c947703851a26bfed833945c093a.tar.xz | |
ARM: 8777/1: Hook up SYNC_CORE functionality for sys_membarrier()
Exception return implies context synchronization, so we can hook up the
SYNC_CORE option to sys_membarrier() simply by selecting the Kconfig option,
just like we've done for arm64 already.
Cc: Orion Hodson <oth@google.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'Documentation/features')
| -rw-r--r-- | Documentation/features/sched/membarrier-sync-core/arch-support.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/features/sched/membarrier-sync-core/arch-support.txt b/Documentation/features/sched/membarrier-sync-core/arch-support.txt index dbdf62907703..c7858dd1ea8f 100644 --- a/Documentation/features/sched/membarrier-sync-core/arch-support.txt +++ b/Documentation/features/sched/membarrier-sync-core/arch-support.txt @@ -5,10 +5,10 @@ # # Architecture requirements # -# * arm64 +# * arm/arm64 # -# Rely on eret context synchronization when returning from IPI handler, and -# when returning to user-space. +# Rely on implicit context synchronization as a result of exception return +# when returning from IPI handler, and when returning to user-space. # # * x86 # @@ -31,7 +31,7 @@ ----------------------- | alpha: | TODO | | arc: | TODO | - | arm: | TODO | + | arm: | ok | | arm64: | ok | | c6x: | TODO | | h8300: | TODO | |