Re: [Xen-devel] [PATCH v6 4/4] xen/rcu: add per-lock counter in debug builds

[Jan Beulich <jbeulich@xxxxxxxx>]

On 13.03.2020 14:06, Juergen Gross wrote:
> Add a lock specific counter to rcu read locks in debug builds. This
> allows to test for matching lock/unlock calls.
> 
> This will help to avoid cases like the one fixed by commit
> 98ed1f43cc2c89 where different rcu read locks were referenced in the
> lock and unlock calls.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
albeit to be honest I'm not fully convinced we need to go this far.

Jan

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