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Ingo Molnar authored
An Athlon 64 X2 test system showed hard hangs shortly after marking the kernel text read-only, if we tried to preserve largepages and changed the PSE entry from RW to RO. The pagetable code itself is correct, it's the CPU that locked up hard (and not even the NMI watchdog could punch through that hard hang). So be conservative and always do splitups - like we did in the past. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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