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Sat, 23 May 2026 17:40:37 +0000 (GMT) Received: from li-7bb28a4c-2dab-11b2-a85c-887b5c60d769.ibm.com.com (unknown [9.39.18.40]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Sat, 23 May 2026 17:40:37 +0000 (GMT) From: Shrikanth Hegde To: maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org, tglx@kernel.org Cc: sshegde@linux.ibm.com, christophe.leroy@csgroup.eu, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] powerpc/irq: Move __softirq_pending out of irq_stat Date: Sat, 23 May 2026 23:10:14 +0530 Message-ID: <20260523174016.999456-2-sshegde@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260523174016.999456-1-sshegde@linux.ibm.com> References: <20260523174016.999456-1-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-Authority-Analysis: v=2.4 cv=VvYTxe2n c=1 sm=1 tr=0 ts=6a11e69b cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=C94dUP7i7d1QJr0i2-sA:9 X-Proofpoint-ORIG-GUID: tUlOoTi2SuESh5xW1gaEqK_Z1vRfi8QV X-Proofpoint-GUID: tUlOoTi2SuESh5xW1gaEqK_Z1vRfi8QV X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIzMDE4MCBTYWx0ZWRfX5kcRR6UTnzKv e60oD4p5Kia6HSIWOnrCwh5WqEYj/LtH1/mOmX5QKBjW8oMYfeh+cnVZh01EVS3fR2PsWPlotA2 yyGimbp0A4mv++uZlzgBvg1zJwj7ubSzUq26Llv36H98xm5nfSyQ+VTH/Hxu//DhQMhXfCe71el rkpcRz3FRPiJFQ4iUVVPyd0Pu7b0esqKX3WS/UAeRvjHCMTAfVqD91HohKyLTzP1AY1K9aLRblr HkwjzUIhqmVga5vGSaldYm0Du6J/RLDp6qzhBu7WhEyH9poj30RcF+Z/6WqtRNNMNIEfoGHfw26 E+mVApWa6U9TVIff9L2Cvwbs8hjI9tAwaPp0AGtN3UhIXIj8dlej/BWOcoIv+U+CraqoAiYOIto XYLaupy+0V60QawrLQy1qLgyj/a/chle4TZS5VdFFOodtXhYfbywa6YZMhyNHCcOtmzvPDd6oBB CPwP7ZRC2JEg+XzkCMQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-23_05,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 priorityscore=1501 spamscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605230180 __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. 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