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| author | Emilio G. Cota | 2018-11-26 23:14:43 +0100 |
|---|---|---|
| committer | Alex Bennée | 2019-10-28 16:12:38 +0100 |
| commit | cfbc3c6083dbdd0fdd9cc98965182e79431d3c63 (patch) | |
| tree | 149a7263be63079a989cc48dc09ae1535cbf712e /cpus-common.c | |
| parent | trace: add mmu_index to mem_info (diff) | |
| download | qemu-cfbc3c6083dbdd0fdd9cc98965182e79431d3c63.tar.gz qemu-cfbc3c6083dbdd0fdd9cc98965182e79431d3c63.tar.xz qemu-cfbc3c6083dbdd0fdd9cc98965182e79431d3c63.zip | |
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 'cpus-common.c')
| -rw-r--r-- | cpus-common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpus-common.c b/cpus-common.c index af3385a296..eaf590cb38 100644 --- a/cpus-common.c +++ b/cpus-common.c @@ -200,11 +200,15 @@ void start_exclusive(void) * section until end_exclusive resets pending_cpus to 0. */ qemu_mutex_unlock(&qemu_cpu_list_lock); + + current_cpu->in_exclusive_context = true; } /* Finish an exclusive operation. */ void end_exclusive(void) { + current_cpu->in_exclusive_context = false; + qemu_mutex_lock(&qemu_cpu_list_lock); atomic_set(&pending_cpus, 0); qemu_cond_broadcast(&exclusive_resume); |