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Tue, 7 Nov 2023 21:58:52 +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 23/86] Revert "sched,x86: Allow !PREEMPT_DYNAMIC" Date: Tue, 7 Nov 2023 13:57:09 -0800 Message-Id: <20231107215742.363031-24-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: MW4P223CA0009.NAMP223.PROD.OUTLOOK.COM (2603:10b6:303:80::14) 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: 31da503e-3f01-4761-9e15-08dbdfdcba9c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Tue, 07 Nov 2023 14:04:01 -0800 (PST) X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781944450575198113 X-GMAIL-MSGID: 1781944450575198113 This reverts commit c5e6fc08feb2b88dc5dac2f3c817e1c2a4cafda4. Signed-off-by: Ankur Arora --- arch/x86/include/asm/preempt.h | 24 ++++++------------------ 1 file changed, 6 insertions(+), 18 deletions(-) diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h index 495faed1c76c..49d2f0396be4 100644 --- a/arch/x86/include/asm/preempt.h +++ b/arch/x86/include/asm/preempt.h @@ -111,13 +111,6 @@ extern asmlinkage void preempt_schedule_thunk(void); #define __preempt_schedule_func preempt_schedule_thunk -extern asmlinkage void preempt_schedule_notrace(void); -extern asmlinkage void preempt_schedule_notrace_thunk(void); - -#define __preempt_schedule_notrace_func preempt_schedule_notrace_thunk - -#ifdef CONFIG_PREEMPT_DYNAMIC - DECLARE_STATIC_CALL(preempt_schedule, __preempt_schedule_func); #define __preempt_schedule() \ @@ -126,6 +119,11 @@ do { \ asm volatile ("call " STATIC_CALL_TRAMP_STR(preempt_schedule) : ASM_CALL_CONSTRAINT); \ } while (0) +extern asmlinkage void preempt_schedule_notrace(void); +extern asmlinkage void preempt_schedule_notrace_thunk(void); + +#define __preempt_schedule_notrace_func preempt_schedule_notrace_thunk + DECLARE_STATIC_CALL(preempt_schedule_notrace, __preempt_schedule_notrace_func); #define __preempt_schedule_notrace() \ @@ -134,16 +132,6 @@ do { \ asm volatile ("call " STATIC_CALL_TRAMP_STR(preempt_schedule_notrace) : ASM_CALL_CONSTRAINT); \ } while (0) -#else /* PREEMPT_DYNAMIC */ - -#define __preempt_schedule() \ - asm volatile ("call preempt_schedule_thunk" : ASM_CALL_CONSTRAINT); - -#define __preempt_schedule_notrace() \ - asm volatile ("call preempt_schedule_notrace_thunk" : ASM_CALL_CONSTRAINT); - -#endif /* PREEMPT_DYNAMIC */ - -#endif /* PREEMPTION */ +#endif #endif /* __ASM_PREEMPT_H */