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authorSergey Fedorov <serge.fdrv@gmail.com>2016-08-02 18:27:43 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-09-27 11:57:30 +0200
commit3359baad36889b83df40b637ed993a4b816c4906 (patch)
tree534ac1be2e5bd5466404bb34ac2b7d52e89a0215 /include/qom
parent53f5ed95064fe6807890cd5535445a05d3361bd2 (diff)
tcg: Make tb_flush() thread safe
Use async_safe_run_on_cpu() to make tb_flush() thread safe. This is possible now that code generation does not happen in the middle of execution. It can happen that multiple threads schedule a safe work to flush the translation buffer. To keep statistics and debugging output sane, always check if the translation buffer has already been flushed. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> [AJB: minor re-base fixes] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <1470158864-17651-13-git-send-email-alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/qom')
-rw-r--r--include/qom/cpu.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 4092dd919b..5dfe74a0e7 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -253,7 +253,6 @@ struct qemu_work_item;
* @crash_occurred: Indicates the OS reported a crash (panic) for this CPU
* @tcg_exit_req: Set to force TCG to stop executing linked TBs for this
* CPU and return to its top level loop.
- * @tb_flushed: Indicates the translation buffer has been flushed.
* @singlestep_enabled: Flags for single-stepping.
* @icount_extra: Instructions until next timer event.
* @icount_decr: Number of cycles left, with interrupt flag in high bit.
@@ -306,7 +305,6 @@ struct CPUState {
bool unplug;
bool crash_occurred;
bool exit_request;
- bool tb_flushed;
uint32_t interrupt_request;
int singlestep_enabled;
int64_t icount_extra;