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35307b9a5f
Until now, KVM/arm didn't care much for page aging (who was swapping anyway?), and simply provided empty hooks to the core KVM code. With server-type systems now being available, things are quite different. This patch implements very simple support for page aging, by clearing the Access flag in the Stage-2 page tables. On access fault, the current fault handling will write the PTE or PMD again, putting the Access flag back on. It should be possible to implement a much faster handling for Access faults, but that's left for a later patch. With this in place, performance in VMs is degraded much more gracefully. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> |
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.. | ||
arm.c | ||
coproc_a7.c | ||
coproc_a15.c | ||
coproc.c | ||
coproc.h | ||
emulate.c | ||
guest.c | ||
handle_exit.c | ||
init.S | ||
interrupts_head.S | ||
interrupts.S | ||
Kconfig | ||
Makefile | ||
mmio.c | ||
mmu.c | ||
perf.c | ||
psci.c | ||
reset.c | ||
trace.h |