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| author | Emilio G. Cota <cota@braap.org> | 2018-10-21 13:17:32 -0400 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2019-10-28 15:12:38 +0000 |
| commit | 5025bb7fde57de2fa76d3ed4277b8b4aaa1b1a69 (patch) | |
| tree | 3bea847c8374ef916874e7a2847a3070efe483e1 | |
| parent | 235537fa7347a151ebd7a755e81819a52b3b2195 (diff) | |
| download | qemu-5025bb7fde57de2fa76d3ed4277b8b4aaa1b1a69.zip qemu-5025bb7fde57de2fa76d3ed4277b8b4aaa1b1a69.tar.gz qemu-5025bb7fde57de2fa76d3ed4277b8b4aaa1b1a69.tar.bz2 | |
translate-all: notify plugin code of tb_flush
Plugins might allocate per-TB data that then they get passed each
time a TB is executed (via the *userdata pointer).
Notify plugin code every time a code cache flush occurs, so
that plugins can then reclaim the memory of the per-TB data.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
| -rw-r--r-- | accel/tcg/translate-all.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 0a08fcd..6d1b0ec 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1231,6 +1231,8 @@ static gboolean tb_host_size_iter(gpointer key, gpointer value, gpointer data) /* flush all the translation blocks */ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count) { + bool did_flush = false; + mmap_lock(); /* If it is already been done on request of another CPU, * just retry. @@ -1238,6 +1240,7 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count) if (tb_ctx.tb_flush_count != tb_flush_count.host_int) { goto done; } + did_flush = true; if (DEBUG_TB_FLUSH_GATE) { size_t nb_tbs = tcg_nb_tbs(); @@ -1262,6 +1265,9 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count) done: mmap_unlock(); + if (did_flush) { + qemu_plugin_flush_cb(); + } } void tb_flush(CPUState *cpu) |