Message ID | 20250421102837.78515-3-sshegde@linux.ibm.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Mon, 21 Apr 2025 10:28:57 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E8E092006A; Mon, 21 Apr 2025 10:28:55 +0000 (GMT) Received: from li-7bb28a4c-2dab-11b2-a85c-887b5c60d769.in.ibm.com (unknown [9.109.215.252]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 21 Apr 2025 10:28:55 +0000 (GMT) From: Shrikanth Hegde <sshegde@linux.ibm.com> To: maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Cc: npiggin@gmail.com, christophe.leroy@csgroup.eu, sshegde@linux.ibm.com, gautam@linux.ibm.com, vaibhav@linux.ibm.com, bigeasy@linutronix.de, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] powerpc: enable to run posix cpu timers in task context Date: Mon, 21 Apr 2025 15:58:37 +0530 Message-ID: <20250421102837.78515-3-sshegde@linux.ibm.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20250421102837.78515-1-sshegde@linux.ibm.com> References: <20250421102837.78515-1-sshegde@linux.ibm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: <linuxppc-dev.lists.ozlabs.org> List-Help: <mailto:linuxppc-dev+help@lists.ozlabs.org> List-Owner: <mailto:linuxppc-dev+owner@lists.ozlabs.org> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Archive: <https://lore.kernel.org/linuxppc-dev/>, <https://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Subscribe: <mailto:linuxppc-dev+subscribe@lists.ozlabs.org>, <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>, <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org> List-Unsubscribe: <mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ANrOnTUc0fTdogqeRCaOJKbV03qqTskh X-Authority-Analysis: v=2.4 cv=Qt9e3Uyd c=1 sm=1 tr=0 ts=68061dee cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=XR8D0OoHHMoA:10 a=VnNF1IyMAAAA:8 a=rh6EaQSAbPCCfu5Ue3wA:9 X-Proofpoint-GUID: xAlduXUgwNxhcA8mqPvxOZpfVWMJO3y1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-21_04,2025-04-21_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 clxscore=1015 mlxlogscore=931 suspectscore=0 priorityscore=1501 spamscore=0 malwarescore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504210077 X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org |
Series |
powerpc: kvm: generic framework and run posix timers in task context
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diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 83807ae44..f42fa4181 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -277,6 +277,7 @@ config PPC select HAVE_PERF_EVENTS_NMI if PPC64 select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP + select HAVE_POSIX_CPU_TIMERS_TASK_WORK select HAVE_RETHOOK if KPROBES select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE
Now that all kvm entry to guest paths handle the task work using the generic framework, enable HAVE_POSIX_CPU_TIMERS_TASK_WORK which allows running posix cpu timers in task context instead of running them in hardirq. This would is a necessary step towards enabling PREEMPT_RT on powerNV systems. Signed-off-by: Shrikanth Hegde <sshegde@linux.ibm.com> --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+)