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This allows us to enable Write-Combine on e.g. framebuffers, significantly improving performance on bare metal. To keep things simple we right now only use one of up to three bits (bit 7 in the PTE), which maps to the PA4 entry in the PAT MSR, which we set to the Write-Combine mode on each CPU at boot time. |
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.. | ||
aarch64 | ||
x86 | ||
DeferredCallEntry.h | ||
Processor.h | ||
ProcessorSpecificDataID.h | ||
RegisterState.h | ||
ScopedCritical.h | ||
SmapDisabler.h | ||
Spinlock.h |