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>
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@ -5,10 +5,10 @@
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#
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#
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# Architecture requirements
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# Architecture requirements
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#
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#
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# * arm64
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# * arm/arm64
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#
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#
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# Rely on eret context synchronization when returning from IPI handler, and
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# Rely on implicit context synchronization as a result of exception return
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# when returning to user-space.
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# when returning from IPI handler, and when returning to user-space.
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#
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#
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# * x86
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# * x86
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#
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#
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@ -31,7 +31,7 @@
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-----------------------
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-----------------------
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| alpha: | TODO |
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| alpha: | TODO |
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| arc: | TODO |
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| arc: | TODO |
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| arm: | TODO |
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| arm: | ok |
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| arm64: | ok |
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| arm64: | ok |
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| c6x: | TODO |
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| c6x: | TODO |
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| h8300: | TODO |
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| h8300: | TODO |
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@ -9,6 +9,7 @@ config ARM
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select ARCH_HAS_ELF_RANDOMIZE
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select ARCH_HAS_ELF_RANDOMIZE
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select ARCH_HAS_FORTIFY_SOURCE
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select ARCH_HAS_FORTIFY_SOURCE
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select ARCH_HAS_KCOV
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select ARCH_HAS_KCOV
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select ARCH_HAS_MEMBARRIER_SYNC_CORE
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select ARCH_HAS_PTE_SPECIAL if ARM_LPAE
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select ARCH_HAS_PTE_SPECIAL if ARM_LPAE
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select ARCH_HAS_PHYS_TO_DMA
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select ARCH_HAS_PHYS_TO_DMA
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select ARCH_HAS_SET_MEMORY
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select ARCH_HAS_SET_MEMORY
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