On 8/5/21 10:48 AM, Ilya Leoshkevich wrote:
translate_insn() implementations fetch instruction bytes piecemeal,
which can cause qemu-user to generate inconsistent translations if
another thread modifies them concurrently [1].
Fix by making pages containing translated instruction non-writable
right before loading instruction bytes from them.
[1] https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg00644.html
Signed-off-by: Ilya Leoshkevich <i...@linux.ibm.com>
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v2: https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg00819.html
v2 -> v3: Move translator_ld*_swap() functions from translator.h into
translator.c for a better size trade-off (Richard).
Thanks, queued.
I've split apart the patch so that we add the argument (and make all of the other changes
to target/) before actually changing the mapping.
r~
