public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH] KVM: Fix kvm_coalesced_mmio_ring duplicate allocation
@ 2010-01-21  8:20 Sheng Yang
  2010-01-21 17:31 ` Marcelo Tosatti
  0 siblings, 1 reply; 2+ messages in thread
From: Sheng Yang @ 2010-01-21  8:20 UTC (permalink / raw)
  To: Marcelo Tosatti; +Cc: Avi Kivity, kvm, Sheng Yang

The commit 0953ca73 "KVM: Simplify coalesced mmio initialization"
allocate kvm_coalesced_mmio_ring in the kvm_coalesced_mmio_init(), but
didn't discard the original allocation...

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
 virt/kvm/kvm_main.c |   17 -----------------
 1 files changed, 0 insertions(+), 17 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 7c5c873..2b0974a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -371,9 +371,6 @@ static struct kvm *kvm_create_vm(void)
 {
 	int r = 0, i;
 	struct kvm *kvm = kvm_arch_create_vm();
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	struct page *page;
-#endif
 
 	if (IS_ERR(kvm))
 		goto out;
@@ -402,23 +399,9 @@ static struct kvm *kvm_create_vm(void)
 		}
 	}
 
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-	if (!page) {
-		cleanup_srcu_struct(&kvm->srcu);
-		goto out_err;
-	}
-
-	kvm->coalesced_mmio_ring =
-			(struct kvm_coalesced_mmio_ring *)page_address(page);
-#endif
-
 	r = kvm_init_mmu_notifier(kvm);
 	if (r) {
 		cleanup_srcu_struct(&kvm->srcu);
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-		put_page(page);
-#endif
 		goto out_err;
 	}
 
-- 
1.5.4.5


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] KVM: Fix kvm_coalesced_mmio_ring duplicate allocation
  2010-01-21  8:20 [PATCH] KVM: Fix kvm_coalesced_mmio_ring duplicate allocation Sheng Yang
@ 2010-01-21 17:31 ` Marcelo Tosatti
  0 siblings, 0 replies; 2+ messages in thread
From: Marcelo Tosatti @ 2010-01-21 17:31 UTC (permalink / raw)
  To: Sheng Yang; +Cc: Avi Kivity, kvm

On Thu, Jan 21, 2010 at 04:20:04PM +0800, Sheng Yang wrote:
> The commit 0953ca73 "KVM: Simplify coalesced mmio initialization"
> allocate kvm_coalesced_mmio_ring in the kvm_coalesced_mmio_init(), but
> didn't discard the original allocation...
> 
> Signed-off-by: Sheng Yang <sheng@linux.intel.com>

Applied, thanks.


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2010-01-21 18:04 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-01-21  8:20 [PATCH] KVM: Fix kvm_coalesced_mmio_ring duplicate allocation Sheng Yang
2010-01-21 17:31 ` Marcelo Tosatti

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox