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Re: [Qemu-devel] [PATCH 13/38] memory: make sure that client is always i


From: Orit Wasserman
Subject: Re: [Qemu-devel] [PATCH 13/38] memory: make sure that client is always inside range
Date: Wed, 18 Dec 2013 12:16:05 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0

On 12/17/2013 05:25 PM, Juan Quintela wrote:
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
  include/exec/memory-internal.h | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index b58010f..d09d6d8 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -43,6 +43,7 @@ void qemu_ram_free_from_ptr(ram_addr_t addr);
  static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
                                                        unsigned client)
  {
+    assert(client < DIRTY_MEMORY_NUM);
      return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & (1 << client);
  }

@@ -74,6 +75,7 @@ static inline int cpu_physical_memory_get_dirty(ram_addr_t 
start,
  static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
                                                        unsigned client)
  {
+    assert(client < DIRTY_MEMORY_NUM);
      ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= (1 << client);
  }

@@ -89,6 +91,8 @@ static inline int 
cpu_physical_memory_clear_dirty_flag(ram_addr_t addr,
  {
      int mask = ~(1 << client);

+    assert(client < DIRTY_MEMORY_NUM);
+
      return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
  }


Reviewed-by: Orit Wasserman <address@hidden>



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