On 09/21/2017 04:06 AM, Alex Bennée wrote: > The mmio path (see exec.c:prepare_mmio_access) already protects itself > against recursive locking and it makes sense to do the same for > io_readx/writex. Otherwise any helper running in the BQL context will > assert when it attempts to write to device memory as in the case of > the bug report. > > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > CC: Richard Jones <rjo...@redhat.com> > CC: Paolo Bonzini <bonz...@gnu.org> > --- > accel/tcg/cputlb.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> I guess I'll queue this through tcg-next? r~
