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exec: convert ram_list to QLIST

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QLIST has RCU-friendly primitives, so switch to it.

Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Mike Day <ncmike@ncultra.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mike Day 2015-01-21 13:45:24 +01:00 • committed by Paolo Bonzini
parent ae3a7047d0
commit 0d53d9fe8a
4 changed files with 46 additions and 37 deletions
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8
scripts/dump-guest-memory.py
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@ -108,16 +108,16 @@ shape and this command should mostly work."""
assert (val["hi"] == 0)
return val["lo"]
def qtailq_foreach(self, head, field_str):
var_p = head["tqh_first"]
def qlist_foreach(self, head, field_str):
var_p = head["lh_first"]
while (var_p != 0):
var = var_p.dereference()
yield var
var_p = var[field_str]["tqe_next"]
var_p = var[field_str]["le_next"]
def qemu_get_ram_block(self, ram_addr):
ram_blocks = gdb.parse_and_eval("ram_list.blocks")
for block in self.qtailq_foreach(ram_blocks, "next"):
for block in self.qlist_foreach(ram_blocks, "next"):
if (ram_addr - block["offset"] < block["length"]):
return block
raise gdb.GdbError("Bad ram offset %x" % ram_addr)