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From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm@vger.kernel.org
Cc: avi@redhat.com, jan.kiszka@web.de, Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 4/6] remove unused kvm_dirty_bitmap array
Date: Mon, 03 May 2010 19:48:23 -0300	[thread overview]
Message-ID: <20100503224905.703505696@amt.cnet> (raw)
In-Reply-To: 20100503224819.773169076@amt.cnet

[-- Attachment #1: remove-unused-dirty-bitmap --]
[-- Type: text/plain, Size: 1165 bytes --]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Index: qemu-kvm-memslot/qemu-kvm.c
===================================================================
--- qemu-kvm-memslot.orig/qemu-kvm.c
+++ qemu-kvm-memslot/qemu-kvm.c
@@ -2154,7 +2154,6 @@ void kvm_set_phys_mem(target_phys_addr_t
  * dirty pages logging
  */
 /* FIXME: use unsigned long pointer instead of unsigned char */
-unsigned char *kvm_dirty_bitmap = NULL;
 int kvm_physical_memory_set_dirty_tracking(int enable)
 {
     int r = 0;
@@ -2163,17 +2162,9 @@ int kvm_physical_memory_set_dirty_tracki
         return 0;
 
     if (enable) {
-        if (!kvm_dirty_bitmap) {
-            unsigned bitmap_size = BITMAP_SIZE(phys_ram_size);
-            kvm_dirty_bitmap = qemu_malloc(bitmap_size);
-            r = kvm_dirty_pages_log_enable_all(kvm_context);
-        }
+        r = kvm_dirty_pages_log_enable_all(kvm_context);
     } else {
-        if (kvm_dirty_bitmap) {
-            r = kvm_dirty_pages_log_reset(kvm_context);
-            qemu_free(kvm_dirty_bitmap);
-            kvm_dirty_bitmap = NULL;
-        }
+        r = kvm_dirty_pages_log_reset(kvm_context);
     }
     return r;
 }



  parent reply	other threads:[~2010-05-03 22:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-03 22:48 [patch 0/6] qemu-kvm: use upstream memslot code Marcelo Tosatti
2010-05-03 22:48 ` [patch 1/6] remove alias support Marcelo Tosatti
2010-05-03 22:48 ` [patch 2/6] remove support for !KVM_CAP_SET_TSS_ADDR Marcelo Tosatti
2010-05-03 22:48 ` [patch 3/6] remove unused kvm_get_dirty_pages Marcelo Tosatti
2010-05-03 22:48 ` Marcelo Tosatti [this message]
2010-05-03 22:48 ` [patch 5/6] introduce qemu_ram_map Marcelo Tosatti
2010-05-03 22:48 ` [patch 6/6] use upstream memslot management code Marcelo Tosatti
2010-05-05  8:49 ` [patch 0/6] qemu-kvm: use upstream memslot code Avi Kivity

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