Re: [test result] dirty logging without srcu update -- Re: [RFC][PATCH]srcu: Implement call_srcu()

From: Takuya Yoshikawa
Date: Thu Feb 02 2012 - 05:38:55 EST


(2012/02/02 19:21), Avi Kivity wrote:


I used "unsigned int" just because I wanted to use the current
atomic_clear_mask() as is.

We need to implement atomic_clear_mask_long() or use ...

If we use cmpxchg8b/cmpxchg16b then this won't fit with the
atomic_*_long family.


OK, I will try.


I have one concern about correctness issue though:

concurrent rmap write protection may not be safe due to
delayed tlb flush ... cannot happen?


Takuya
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