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SubjectRe: [PATCH] KVM: x86: Convert tsc_write_lock to raw_spinlock
On 02/07/2011 05:38 PM, Jan Kiszka wrote:
> >
> > I don't know as it is allowed to sleep, it doesn't call any sleeping
> > functions to my knowledge. What worries me in the RT case is that the
> > spinlock acquired for hardware_enable might be preempted and run on
> > another CPU, which obviously isn't what you want.
>
> I see now, there are calls to raw_smp_processor_id.
>
> I think it's best to make this a raw lock. At this chance, some
> read-only users of vm_list should be rcu'ified. Will have a look.

vm_list is rarely used, for either read or write. I don't see the need
to rcu it.

--
error compiling committee.c: too many arguments to function



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