Patchwork [12/21] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

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Submitter Yoshiaki Tamura
Date Nov. 25, 2010, 6:06 a.m.
Message ID <1290665220-26478-13-git-send-email-tamura.yoshiaki@lab.ntt.co.jp>
Download mbox | patch
Permalink /patch/73007/
State New
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Comments

Yoshiaki Tamura - Nov. 25, 2010, 6:06 a.m.
Record mmio write event to replay it upon failover.

Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
---
 exec.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

diff --git a/exec.c b/exec.c
index db9ff55..fd8823e 100644
--- a/exec.c
+++ b/exec.c
@@ -33,6 +33,7 @@ 
 #include "osdep.h"
 #include "kvm.h"
 #include "qemu-timer.h"
+#include "event-tap.h"
 #if defined(CONFIG_USER_ONLY)
 #include <qemu.h>
 #include <signal.h>
@@ -3479,6 +3480,9 @@  void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
                 io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
                 if (p)
                     addr1 = (addr & ~TARGET_PAGE_MASK) + p->region_offset;
+
+                event_tap_mmio(addr, buf, len);
+
                 /* XXX: could force cpu_single_env to NULL to avoid
                    potential bugs */
                 if (l >= 4 && ((addr1 & 3) == 0)) {