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Tue, 7 Nov 2023 21:58:43 +0000 From: Ankur Arora To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, peterz@infradead.org, torvalds@linux-foundation.org, paulmck@kernel.org, linux-mm@kvack.org, x86@kernel.org, akpm@linux-foundation.org, luto@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, willy@infradead.org, mgorman@suse.de, jon.grimm@amd.com, bharata@amd.com, raghavendra.kt@amd.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com, jgross@suse.com, andrew.cooper3@citrix.com, mingo@kernel.org, bristot@kernel.org, mathieu.desnoyers@efficios.com, geert@linux-m68k.org, glaubitz@physik.fu-berlin.de, anton.ivanov@cambridgegreys.com, mattst88@gmail.com, krypton@ulrich-teichert.org, rostedt@goodmis.org, David.Laight@ACULAB.COM, richard@nod.at, mjguzik@gmail.com, Ankur Arora Subject: [RFC PATCH 20/86] Revert "static_call: Relax static_call_update() function argument type" Date: Tue, 7 Nov 2023 13:57:06 -0800 Message-Id: <20231107215742.363031-21-ankur.a.arora@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20231107215742.363031-1-ankur.a.arora@oracle.com> References: <20231107215742.363031-1-ankur.a.arora@oracle.com> X-ClientProxiedBy: MW4PR04CA0195.namprd04.prod.outlook.com (2603:10b6:303:86::20) To CO6PR10MB5409.namprd10.prod.outlook.com (2603:10b6:5:357::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO6PR10MB5409:EE_|BN0PR10MB5048:EE_ X-MS-Office365-Filtering-Correlation-Id: 532b585b-b3fc-4425-270d-08dbdfdcb52c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Tue, 07 Nov 2023 14:00:55 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781944332825006451 X-GMAIL-MSGID: 1781944332825006451 This is a partial revert of commit 9432bbd969c667fc9c4b1c140c5a745ff2a7b540. We keep the static_call_update() type matching logic which is used elsewhere. Signed-off-by: Ankur Arora --- kernel/sched/core.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index abc95dfe0ab4..e0bbc2b0b11e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7027,25 +7027,25 @@ static void sched_dynamic_update(int mode) switch (mode) { case preempt_dynamic_none: static_call_update(cond_resched, __cond_resched); - static_call_update(might_resched, (void *)&__static_call_return0); - static_call_update(preempt_schedule, NULL); - static_call_update(preempt_schedule_notrace, NULL); - static_call_update(irqentry_exit_cond_resched, NULL); + static_call_update(might_resched, (typeof(&__cond_resched)) __static_call_return0); + static_call_update(preempt_schedule, (typeof(&preempt_schedule)) NULL); + static_call_update(preempt_schedule_notrace, (typeof(&preempt_schedule_notrace)) NULL); + static_call_update(irqentry_exit_cond_resched, (typeof(&irqentry_exit_cond_resched)) NULL); pr_info("Dynamic Preempt: none\n"); break; case preempt_dynamic_voluntary: static_call_update(cond_resched, __cond_resched); static_call_update(might_resched, __cond_resched); - static_call_update(preempt_schedule, NULL); - static_call_update(preempt_schedule_notrace, NULL); - static_call_update(irqentry_exit_cond_resched, NULL); + static_call_update(preempt_schedule, (typeof(&preempt_schedule)) NULL); + static_call_update(preempt_schedule_notrace, (typeof(&preempt_schedule_notrace)) NULL); + static_call_update(irqentry_exit_cond_resched, (typeof(&irqentry_exit_cond_resched)) NULL); pr_info("Dynamic Preempt: voluntary\n"); break; case preempt_dynamic_full: - static_call_update(cond_resched, (void *)&__static_call_return0); - static_call_update(might_resched, (void *)&__static_call_return0); + static_call_update(cond_resched, (typeof(&__cond_resched)) __static_call_return0); + static_call_update(might_resched, (typeof(&__cond_resched)) __static_call_return0); static_call_update(preempt_schedule, __preempt_schedule_func); static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); static_call_update(irqentry_exit_cond_resched, irqentry_exit_cond_resched);