Il 13/08/2012 21:13, Harsh Bora ha scritto:
>>
>
> Hi Paolo,
>
> The rcu_read_[un]lock() macros were added as no-ops (based on your
> inputs on #qemu) to replace reader-writer locks with RCU based locking
> as suggested while proposing QemuRWLock API for RW locks (See
> http://lists.gnu.org/archi
On 08/08/2012 05:25 PM, Paolo Bonzini wrote:
Even with the fix in the previous patch, the lockless handling of paths
in 9p-synth is wrong. Paths can outlive rcu_read_unlock arbitrarily
via the V9fsPath objects that 9p-synth creates. This would require
a reference counting mechanism that is not
Even with the fix in the previous patch, the lockless handling of paths
in 9p-synth is wrong. Paths can outlive rcu_read_unlock arbitrarily
via the V9fsPath objects that 9p-synth creates. This would require
a reference counting mechanism that is not there and is quite hard to
retrofit into V9fsPa
