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authorEmilio G. Cota2018-11-26 23:14:43 +0100
committerAlex Bennée2019-10-28 16:12:38 +0100
commitcfbc3c6083dbdd0fdd9cc98965182e79431d3c63 (patch)
tree149a7263be63079a989cc48dc09ae1535cbf712e /include/hw/core
parenttrace: add mmu_index to mem_info (diff)
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cpu: introduce cpu_in_exclusive_context()
Suggested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> [AJB: moved inside start/end_exclusive fns + cleanup] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/hw/core')
-rw-r--r--include/hw/core/cpu.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 031f587e51..07f2ab0590 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -372,6 +372,7 @@ struct CPUState {
bool unplug;
bool crash_occurred;
bool exit_request;
+ bool in_exclusive_context;
uint32_t cflags_next_tb;
/* updates protected by BQL */
uint32_t interrupt_request;
@@ -784,6 +785,18 @@ void async_run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data)
void async_safe_run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data);
/**
+ * cpu_in_exclusive_context()
+ * @cpu: The vCPU to check
+ *
+ * Returns true if @cpu is an exclusive context, for example running
+ * something which has previously been queued via async_safe_run_on_cpu().
+ */
+static inline bool cpu_in_exclusive_context(const CPUState *cpu)
+{
+ return cpu->in_exclusive_context;
+}
+
+/**
* qemu_get_cpu:
* @index: The CPUState@cpu_index value of the CPU to obtain.
*