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Fri, 29 May 2026 12:40:52 +0000 (GMT) Received: from li-7bb28a4c-2dab-11b2-a85c-887b5c60d769.ibm.com.com (unknown [9.124.221.69]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 29 May 2026 12:40:52 +0000 (GMT) From: Shrikanth Hegde To: christophe.leroy@csgroup.eu, maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org, tglx@kernel.org Cc: sshegde@linux.ibm.com, linux-kernel@vger.kernel.org, "Christophe Leroy (CS GROUP)" Subject: [PATCH v2 1/3] powerpc/irq: Move __softirq_pending out of irq_stat Date: Fri, 29 May 2026 18:10:43 +0530 Message-ID: <20260529124045.1208539-2-sshegde@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260529124045.1208539-1-sshegde@linux.ibm.com> References: <20260529124045.1208539-1-sshegde@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: hsRpgoWojZGJXdh_iL2ff081RmoIG608 X-Authority-Analysis: v=2.4 cv=Z8Dc2nRA c=1 sm=1 tr=0 ts=6a19895b cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=C94dUP7i7d1QJr0i2-sA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI5MDEyNiBTYWx0ZWRfX0JssiNn09OC4 eske5VSmW/c7nhXIKV4S212jLdFFbDP+6tiEJrr0W/K4fdJDsI7lDZzPtoVdRkW054q51+xrsg6 7ulAk9P1HB7Frayjlha5cVZVmBF7gwu+i2nCUY5FD5ss1ZrVrlZU4G3JLr5pg6uT28Nju9m7Z2z 34JMfbM9cKBPbLjfO913Isxg7fLcp22ruzkajEs/sMDrWvKygZinN5Jm5KP2mjFxDYPhYrAEsiT UcDNE2P+4I0A0WfQTFH9KnxmixQxj8d4ie5BZdvJv6HCq0PZM4HFWeehpiZHOMFm5swtupnctWk 3sPZ8cU2PPvEuxveAWHnYGlVQL7FNFW1Tie3qyNJ0TKNYVM3gH4RG1jIXjDHy4lFzCSRbOY/GRZ aHe0MixgaxVY7KaLEsCHx45uWPNSipY513d4ILCRvS5AJ4dKawrX7LgUBiaaqJSUS9xmukrE+fS zX/BZ78QhBkWZbk8wVw== X-Proofpoint-ORIG-GUID: hsRpgoWojZGJXdh_iL2ff081RmoIG608 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-05-29_03,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 bulkscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 phishscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2605290126 __softirq_pending isn't part of arch specific irq_stats. It is used by softirq core for various decision making such as whether to kick off ksoftirqd. Move it out of irq_cpustat_t. This makes it simple to make irq_cpustat_t array based approach. Reviewed-by: Christophe Leroy (CS GROUP) Signed-off-by: Shrikanth Hegde --- arch/powerpc/include/asm/hardirq.h | 3 ++- arch/powerpc/kernel/irq.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h index f133b5930ae1..bf3926a0c69c 100644 --- a/arch/powerpc/include/asm/hardirq.h +++ b/arch/powerpc/include/asm/hardirq.h @@ -6,7 +6,6 @@ #include typedef struct { - unsigned int __softirq_pending; unsigned int timer_irqs_event; unsigned int broadcast_irqs_event; unsigned int timer_irqs_others; @@ -23,6 +22,8 @@ typedef struct { } ____cacheline_aligned irq_cpustat_t; DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); +DECLARE_PER_CPU(unsigned int, __softirq_pending); +#define local_softirq_pending_ref __softirq_pending #define __ARCH_IRQ_STAT #define __ARCH_IRQ_EXIT_IRQS_DISABLED diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index a0e8b998c9b5..f33df5e5c23f 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -73,6 +73,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); EXPORT_PER_CPU_SYMBOL(irq_stat); +DEFINE_PER_CPU(unsigned int, __softirq_pending); #ifdef CONFIG_PPC32 atomic_t ppc_n_lost_interrupts; -- 2.47.3