On Thu 2018-12-27 16:41:50, David Wang wrote:
> For new Centaur CPUs the ucode will take care of the preservation of cache
> coherence
> between CPU cores in C-states regardless of how deep the C-states are. So, it
> is not
> necessary to flush the caches in software befor entering C3. And this u
For new Centaur CPUs the ucode will take care of the preservation of cache
coherence
between CPU cores in C-states regardless of how deep the C-states are. So, it
is not
necessary to flush the caches in software befor entering C3. And this useless
operation
will cause performance drop for the co
On Tue, 29 May 2018, David Wang wrote:
> For new Centaur CPUs the ucode will take care of the preservation of cache
> coherence
> between CPU cores in C-states regardless of how deep the C-states are. So, it
> is not
> necessary to flush the caches in software befor entering C3.
>
> Signed-off-
For new Centaur CPUs the ucode will take care of the preservation of cache
coherence
between CPU cores in C-states regardless of how deep the C-states are. So, it
is not
necessary to flush the caches in software befor entering C3.
Signed-off-by: David Wang
Changes from v2 to v3:
*1, Replace "c
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