From patchwork Mon May 15 08:35:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikunj A. 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Violators will be prosecuted; Mon, 15 May 2017 18:37:27 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v4F8bJ8w57475312; Mon, 15 May 2017 18:37:27 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v4F8alai020810; Mon, 15 May 2017 18:36:48 +1000 Received: from abhimanyu.in.ibm.com (abhimanyu.in.ibm.com [9.124.35.210] (may be forged)) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v4F8ak6V020093; Mon, 15 May 2017 18:36:46 +1000 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 15 May 2017 14:05:09 +0530 X-Mailer: git-send-email 2.9.3 X-TM-AS-MML: disable x-cbid: 17051508-0008-0000-0000-0000012C7880 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17051508-0009-0000-0000-0000095B1F20 Message-Id: <20170515083509.24607-1-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-15_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705150091 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH] target/ppc: reset reservation in do_rfi() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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); }