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[4/8] Fix WHPX additional lock acquisition

Message ID 1519665216-1078-5-git-send-email-juterry@microsoft.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhijian Li (Fujitsu)" via Feb. 26, 2018, 5:13 p.m. UTC 
The code already is holding the qemu_mutex for the IO thread. We do not need
to additionally take the lock again in this case.

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>
---
 target/i386/whpx-all.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c
index 14ea732ec6..74a8f4d599 100644
--- a/target/i386/whpx-all.c
+++ b/target/i386/whpx-all.c
@@ -705,9 +705,7 @@  static void whpx_vcpu_pre_run(CPUState *cpu)
             new_int.InterruptionVector = 2;
         }
         if (cpu->interrupt_request & CPU_INTERRUPT_SMI) {
-            qemu_mutex_lock_iothread();
             cpu->interrupt_request &= ~CPU_INTERRUPT_SMI;
-            qemu_mutex_unlock_iothread();
         }
     }