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[Qemu-devel] [PATCH] PPC: Only enter MSR_POW when no interrupts pending
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH] PPC: Only enter MSR_POW when no interrupts pending |
Date: |
Sun, 6 Apr 2014 22:55:36 +0200 |
We were entering the power saving state even when interrupts (like an
external interrupt or a decrementer interrupt) were still in flight.
In case we find a pending interrupt, don't enter power saving state.
Signed-off-by: Alexander Graf <address@hidden>
---
target-ppc/helper_regs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target-ppc/helper_regs.h b/target-ppc/helper_regs.h
index f7ec9c2..271fddf 100644
--- a/target-ppc/helper_regs.h
+++ b/target-ppc/helper_regs.h
@@ -101,7 +101,7 @@ static inline int hreg_store_msr(CPUPPCState *env,
target_ulong value,
hreg_compute_hflags(env);
#if !defined(CONFIG_USER_ONLY)
if (unlikely(msr_pow == 1)) {
- if ((*env->check_pow)(env)) {
+ if (!env->pending_interrupts && (*env->check_pow)(env)) {
cs->halted = 1;
excp = EXCP_HALTED;
}
--
1.8.1.4
- [Qemu-devel] [PATCH] PPC: Only enter MSR_POW when no interrupts pending,
Alexander Graf <=