Messages in this thread |  | | | Date | Mon, 07 Feb 2011 17:52:39 +0200 | | From | Avi Kivity <> | | Subject | Re: [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
|  |