4fd75911f6
To ease page table updates with 64-bit descriptors, CPUs implementing LPAE are required to implement ldrd/strd as atomic operations. This patch uses these accessors instead of the exclusive variants when performing atomic64_{read,set} on LPAE systems. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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uapi/asm |