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[Qemu-devel] [PATCH v2] cpu-exec: Clean up 'interrupt_request' reloading
From: |
Sergey Fedorov |
Subject: |
[Qemu-devel] [PATCH v2] cpu-exec: Clean up 'interrupt_request' reloading in cpu_handle_interrupt() |
Date: |
Thu, 12 May 2016 19:52:17 +0300 |
From: Sergey Fedorov <address@hidden>
Suggested-by: Richard Henderson <address@hidden>
Signed-off-by: Sergey Fedorov <address@hidden>
Signed-off-by: Sergey Fedorov <address@hidden>
---
This patch applies on top of commit:
40ae3669fb55 ("cpu-exec: Remove unused 'x86_cpu' and 'env' from cpu_exec()")
from:
git://github.com/rth7680/qemu.git tcg-next
Changes in v2:
* Reload only when target hook called
cpu-exec.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 0ea47e997dfa..14df1aacf42a 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -488,10 +488,11 @@ static inline void cpu_handle_interrupt(CPUState *cpu,
if (cc->cpu_exec_interrupt(cpu, interrupt_request)) {
*last_tb = NULL;
}
+ /* The target hook may have updated the 'cpu->interrupt_request';
+ * reload the 'interrupt_request' value */
+ interrupt_request = cpu->interrupt_request;
}
- /* Don't use the cached interrupt_request value,
- do_interrupt may have updated the EXITTB flag. */
- if (cpu->interrupt_request & CPU_INTERRUPT_EXITTB) {
+ if (interrupt_request & CPU_INTERRUPT_EXITTB) {
cpu->interrupt_request &= ~CPU_INTERRUPT_EXITTB;
/* ensure that no TB jump will be modified as
the program flow was changed */
--
1.9.1
- [Qemu-devel] [PATCH v2] cpu-exec: Clean up 'interrupt_request' reloading in cpu_handle_interrupt(),
Sergey Fedorov <=