Messages in this thread |  | | | From | Nikunj A Dadhania <> | | Subject | Re: [RFC PATCH v1 3/5] KVM: Add paravirt kvm_flush_tlb_others | | Date | Wed, 02 May 2012 19:23:26 +0530 |
| |
On Wed, 02 May 2012 12:20:40 +0200, Peter Zijlstra <peterz@infradead.org> wrote: > On Wed, 2012-05-02 at 14:21 +0530, Nikunj A Dadhania wrote: > > [root@krm1 linux]# grep HAVE_RCU_TABLE .config > > CONFIG_HAVE_RCU_TABLE_FREE=y > > [root@krm1 linux]# make -j32 -s > > mm/memory.c: In function ‘tlb_remove_table_one’: > > mm/memory.c:315: error: implicit declaration of function ‘__tlb_remove_table’ > > > > I suppose we need to have __tlb_remove_table. Trying to understand what > > needs to be done there. > > Argh, I really should get back to unifying all mmu-gather > implementations :/ > > I think something like the below ought to sort it. > Thanks a lot.
> Completely untested though.. >
Tested-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Here is the comparison with the other version.
Gang pv_spin_flush pv_spin_flush_rcu 1VM 1.01 0.49 0.49 2VMs 7.07 4.04 4.06 4VMs 9.07 5.27 5.19 8VMs 9.99 7.65 7.80
Will test other use cases as well and report back.
Regards Nikunj
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |