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Re: [Qemu-devel] [PATCH 4/6] kvm: de-register mem region for MMIO.


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH 4/6] kvm: de-register mem region for MMIO.
Date: Wed, 19 Nov 2008 09:10:07 -0600
User-agent: Thunderbird 2.0.0.17 (X11/20080925)

Glauber Costa wrote:
Besides unassigned memory, we also don't care about MMIO.
So if we're giving an MMIO area that is already registered,
wipe it out.

Applied.  Thanks.

Regards,

Anthony Liguori

Signed-off-by: Glauber Costa <address@hidden>
---
 kvm-all.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index b5bbdcb..9700e50 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -344,7 +344,7 @@ void kvm_set_phys_mem(target_phys_addr_t start_addr,
mem = kvm_lookup_slot(s, start_addr);
     if (mem) {
-        if (flags == IO_MEM_UNASSIGNED) {
+        if ((flags == IO_MEM_UNASSIGNED) || (flags >= TLB_MMIO)) {
             mem->memory_size = 0;
             mem->guest_phys_addr = start_addr;
             mem->userspace_addr = 0;





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