Message ID | 20231201132618.555031-13-vaibhav@linux.ibm.com |
---|---|
State | New |
Headers | show
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Fri, 1 Dec 2023 13:27:26 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D51220040; Fri, 1 Dec 2023 13:27:26 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9A24D20043; Fri, 1 Dec 2023 13:27:22 +0000 (GMT) Received: from vaibhav?linux.ibm.com (unknown [9.171.33.138]) by smtpav02.fra02v.mail.ibm.com (Postfix) with SMTP; Fri, 1 Dec 2023 13:27:22 +0000 (GMT) Received: by vaibhav@linux.ibm.com (sSMTP sendmail emulation); Fri, 01 Dec 2023 18:57:21 +0530 From: Vaibhav Jain <vaibhav@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org Cc: Vaibhav Jain <vaibhav@linux.ibm.com>, Nicholas Piggin <npiggin@gmail.com>, Michael Ellerman <mpe@ellerman.id.au>, Jordan Niethe <jniethe5@gmail.com>, Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>, mikey@neuling.org, paulus@ozlabs.org, sbhat@linux.ibm.com, gautam@linux.ibm.com, kconsul@linux.vnet.ibm.com, amachhiw@linux.vnet.ibm.com, David.Laight@ACULAB.COM Subject: [PATCH 12/12] KVM: PPC: Book3S HV nestedv2: Do not cancel pending decrementer exception Date: Fri, 1 Dec 2023 18:56:17 +0530 Message-ID: <20231201132618.555031-13-vaibhav@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231201132618.555031-1-vaibhav@linux.ibm.com> References: <20231201132618.555031-1-vaibhav@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm-ppc@vger.kernel.org List-Id: <kvm-ppc.vger.kernel.org> List-Subscribe: <mailto:kvm-ppc+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:kvm-ppc+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: WVajB8kqc2AABsFzp7QCx3rBoju0YPp5 X-Proofpoint-ORIG-GUID: 2dHyFuBFDcjndRv4bN73b6FdisHMmF_a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-01_11,2023-11-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 suspectscore=0 phishscore=0 clxscore=1015 mlxscore=0 bulkscore=0 mlxlogscore=725 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312010092 |
Series |
KVM: PPC: Nested APIv2 : Performance improvements
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diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 2ee3f2478570..e48126a59ba7 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4834,7 +4834,7 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, * entering a nested guest in which case the decrementer is now owned * by L2 and the L1 decrementer is provided in hdec_expires */ - if (kvmppc_core_pending_dec(vcpu) && + if (!kvmhv_is_nestedv2() && kvmppc_core_pending_dec(vcpu) && ((tb < kvmppc_dec_expires_host_tb(vcpu)) || (trap == BOOK3S_INTERRUPT_SYSCALL && kvmppc_get_gpr(vcpu, 3) == H_ENTER_NESTED)))