On 8/3/21 12:16 PM, Ilya Leoshkevich wrote:
x86_64 dotnet/runtime uses cmpxchg for code patching. When running it
under s390x qemu-linux user, cpu_signal_handler() does not recognize
this as a write and does not restore PAGE_WRITE cleared by
tb_page_add(), incorrectly forwarding the signal to the guest code.
Signed-off-by: Ilya Leoshkevich<i...@linux.ibm.com>
---
v1:https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg00464.html
v1 -> v2: Fix comment style, fix CSST detection (Richard).
accel/tcg/user-exec.c | 48 ++++++++++++++++++++++++++++++++++++-------
1 file changed, 41 insertions(+), 7 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
