From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59997) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dABVY-00016S-Fs for qemu-devel@nongnu.org; Mon, 15 May 2017 04:37:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dABVV-0007Ky-CG for qemu-devel@nongnu.org; Mon, 15 May 2017 04:37:36 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:48575 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dABVV-0007KT-7U for qemu-devel@nongnu.org; Mon, 15 May 2017 04:37:33 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v4F8XiI6038094 for ; Mon, 15 May 2017 04:37:32 -0400 Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) by mx0b-001b2d01.pphosted.com with ESMTP id 2aedxn23b9-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 15 May 2017 04:37:31 -0400 Received: from localhost by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 15 May 2017 18:37:28 +1000 From: Nikunj A Dadhania Date: Mon, 15 May 2017 14:05:09 +0530 Message-Id: <20170515083509.24607-1-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH] target/ppc: reset reservation in do_rfi() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Cc: qemu-devel@nongnu.org, rth@twiddle.net, nikunj@linux.vnet.ibm.com For transitioning back to userspace after the interrupt. Suggested-by: Richard Henderson Signed-off-by: Nikunj A Dadhania --- 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