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author | Jan Kiszka <jan.kiszka@siemens.com> | 2013-09-02 18:43:31 +0200 |
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committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2013-09-24 22:31:53 -0500 |
commit | 2a93d3dd32386c3522cfa2ee60c9e06a298d1f52 (patch) | |
tree | 2c4fd8f61281a3bda85264733c36ebe7be4407f2 /memory.c | |
parent | 7ab1044eb1ac2cbc7e65769edf44ced92b85b038 (diff) | |
download | qemu-2a93d3dd32386c3522cfa2ee60c9e06a298d1f52.tar.gz |
Revert "memory: Return -1 again on reads from unsigned regions"
This reverts commit 9b8c69243585a32d14b9bb9fcd52c37b0b5a1b71.
The commit was wrong: We only return -1 on invalid accesses, not on
valid but unbacked ones. This broke various corner cases.
Cc: qemu-stable@nongnu.org
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 68a7439a150d6b4da99082ab454b9328b151bc25)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'memory.c')
-rw-r--r-- | memory.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -872,7 +872,7 @@ static uint64_t unassigned_mem_read(void *opaque, hwaddr addr, if (current_cpu != NULL) { cpu_unassigned_access(current_cpu, addr, false, false, 0, size); } - return -1ULL; + return 0; } static void unassigned_mem_write(void *opaque, hwaddr addr, |