This patch fixes replaying the exception when TB cache is full. It breaks cpu loop execution through setting exception_index to process such queued work as TB flush.
Signed-off-by: Pavel Dovgalyuk <[email protected]> --- cpu-exec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/cpu-exec.c b/cpu-exec.c index fa08c73..79a2167 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -451,6 +451,10 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret) #ifndef CONFIG_USER_ONLY } else if (replay_has_exception() && cpu->icount_decr.u16.low + cpu->icount_extra == 0) { + /* Break the execution loop in case of running out of TB cache. + This is needed to make flushing of the TB cache, because + real flush is queued to be executed outside the cpu loop. */ + cpu->exception_index = EXCP_INTERRUPT; /* try to cause an exception pending in the log */ cpu_exec_nocache(cpu, 1, tb_find(cpu, NULL, 0), true); *ret = -1;
