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memory: use RCU_READ_LOCK_GUARD 

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-12-13 15:06:45 +01:00
parent 2a86be2571
commit 293a733df7
1 changed files with 1 additions and 2 deletions
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3
include/exec/memory.h
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@ -2171,7 +2171,7 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
if (__builtin_constant_p(len)) {
if (len) {
rcu_read_lock();
RCU_READ_LOCK_GUARD();
fv = address_space_to_flatview(as);
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, false, attrs);
@ -2182,7 +2182,6 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
result = flatview_read_continue(fv, addr, attrs, buf, len,
addr1, l, mr);
}
rcu_read_unlock();
}
} else {
result = address_space_read_full(as, addr, attrs, buf, len);