From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au
Cc: qemu-devel@nongnu.org, rth@twiddle.net, nikunj@linux.vnet.ibm.com
Subject: [Qemu-devel] [PATCH] target/ppc: reset reservation in do_rfi()
Date: Mon, 15 May 2017 14:05:09 +0530 [thread overview]
Message-ID: <20170515083509.24607-1-nikunj@linux.vnet.ibm.com> (raw)
For transitioning back to userspace after the interrupt.
Suggested-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
target/ppc/excp_helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index a6bcb47..9cb2123 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -995,6 +995,9 @@ static inline void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr)
*/
cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ /* Reset the reservation */
+ env->reserve_addr = -1;
+
/* Context synchronizing: check if TCG TLB needs flush */
check_tlb_flush(env, false);
}
--
2.9.3
next reply other threads:[~2017-05-15 8:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-15 8:35 Nikunj A Dadhania [this message]
2017-05-16 2:55 ` [Qemu-devel] [PATCH] target/ppc: reset reservation in do_rfi() David Gibson
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