Re: [PATCH kernel 4/9] KVM: PPC: Use RCU for arch.spapr_tce_tables
From: David Gibson <hidden>
Date: 2015-12-08 02:45:05
Also in:
kvm
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From: David Gibson <hidden>
Date: 2015-12-08 02:45:05
Also in:
kvm
On Tue, Sep 15, 2015 at 08:49:34PM +1000, Alexey Kardashevskiy wrote:
At the moment spapr_tce_tables is not protected against races. This makes use of RCU-variants of list helpers. As some bits are executed in real mode, this makes use of just introduced list_for_each_entry_rcu_notrace(). This converts release_spapr_tce_table() to a RCU scheduled handler. Signed-off-by: Alexey Kardashevskiy <redacted>
Looks correct on my limited knowledge of RCU Reviewed-by: David Gibson <redacted> -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson