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Tue, 7 Nov 2023 21:58:57 +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 24/86] Revert "sched: Harden PREEMPT_DYNAMIC" Date: Tue, 7 Nov 2023 13:57:10 -0800 Message-Id: <20231107215742.363031-25-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: MW4P221CA0019.NAMP221.PROD.OUTLOOK.COM (2603:10b6:303:8b::24) 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: d241cc17-89dd-498e-eade-08dbdfdcbda5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Tue, 07 Nov 2023 14:02:18 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781944395188351075 X-GMAIL-MSGID: 1781944395188351075 This reverts commit ef72661e28c64ad610f89acc2832ec67b27ba438. Signed-off-by: Ankur Arora --- arch/x86/include/asm/preempt.h | 4 ++-- include/linux/kernel.h | 2 +- include/linux/sched.h | 2 +- kernel/sched/core.c | 8 ++++---- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h index 49d2f0396be4..967879366d27 100644 --- a/arch/x86/include/asm/preempt.h +++ b/arch/x86/include/asm/preempt.h @@ -115,7 +115,7 @@ DECLARE_STATIC_CALL(preempt_schedule, __preempt_schedule_func); #define __preempt_schedule() \ do { \ - __STATIC_CALL_MOD_ADDRESSABLE(preempt_schedule); \ + __ADDRESSABLE(STATIC_CALL_KEY(preempt_schedule)); \ asm volatile ("call " STATIC_CALL_TRAMP_STR(preempt_schedule) : ASM_CALL_CONSTRAINT); \ } while (0) @@ -128,7 +128,7 @@ DECLARE_STATIC_CALL(preempt_schedule_notrace, __preempt_schedule_notrace_func); #define __preempt_schedule_notrace() \ do { \ - __STATIC_CALL_MOD_ADDRESSABLE(preempt_schedule_notrace); \ + __ADDRESSABLE(STATIC_CALL_KEY(preempt_schedule_notrace)); \ asm volatile ("call " STATIC_CALL_TRAMP_STR(preempt_schedule_notrace) : ASM_CALL_CONSTRAINT); \ } while (0) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b9121007fd0b..5f99720d0cca 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -109,7 +109,7 @@ DECLARE_STATIC_CALL(might_resched, __cond_resched); static __always_inline void might_resched(void) { - static_call_mod(might_resched)(); + static_call(might_resched)(); } #else diff --git a/include/linux/sched.h b/include/linux/sched.h index 66f520954de5..2b1f3008c90e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2090,7 +2090,7 @@ DECLARE_STATIC_CALL(cond_resched, __cond_resched); static __always_inline int _cond_resched(void) { - return static_call_mod(cond_resched)(); + return static_call(cond_resched)(); } #else diff --git a/kernel/sched/core.c b/kernel/sched/core.c index bbd19b8ff3e9..7ea22244c540 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6893,7 +6893,7 @@ EXPORT_SYMBOL(preempt_schedule); #ifdef CONFIG_PREEMPT_DYNAMIC DEFINE_STATIC_CALL(preempt_schedule, __preempt_schedule_func); -EXPORT_STATIC_CALL_TRAMP(preempt_schedule); +EXPORT_STATIC_CALL(preempt_schedule); #endif @@ -6951,7 +6951,7 @@ EXPORT_SYMBOL_GPL(preempt_schedule_notrace); #ifdef CONFIG_PREEMPT_DYNAMIC DEFINE_STATIC_CALL(preempt_schedule_notrace, __preempt_schedule_notrace_func); -EXPORT_STATIC_CALL_TRAMP(preempt_schedule_notrace); +EXPORT_STATIC_CALL(preempt_schedule_notrace); #endif #endif /* CONFIG_PREEMPTION */ @@ -8740,10 +8740,10 @@ EXPORT_SYMBOL(__cond_resched); #ifdef CONFIG_PREEMPT_DYNAMIC DEFINE_STATIC_CALL_RET0(cond_resched, __cond_resched); -EXPORT_STATIC_CALL_TRAMP(cond_resched); +EXPORT_STATIC_CALL(cond_resched); DEFINE_STATIC_CALL_RET0(might_resched, __cond_resched); -EXPORT_STATIC_CALL_TRAMP(might_resched); +EXPORT_STATIC_CALL(might_resched); #endif /*