mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
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1f2d9ffc7a
- Improve the scalability of the CFS bandwidth unthrottling logic
with large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with
the generic scheduler code. Add __cpuidle methods as noinstr to
objtool's noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS,
to query previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period,
to improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- ... Misc other cleanups, fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Improve the scalability of the CFS bandwidth unthrottling logic with
large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with the
generic scheduler code. Add __cpuidle methods as noinstr to objtool's
noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS, to query
previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period, to
improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- Misc other cleanups, fixes
* tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
sched/rt: pick_next_rt_entity(): check list_entry
sched/deadline: Add more reschedule cases to prio_changed_dl()
sched/fair: sanitize vruntime of entity being placed
sched/fair: Remove capacity inversion detection
sched/fair: unlink misfit task from cpu overutilized
objtool: mem*() are not uaccess safe
cpuidle: Fix poll_idle() noinstr annotation
sched/clock: Make local_clock() noinstr
sched/clock/x86: Mark sched_clock() noinstr
x86/pvclock: Improve atomic update of last_value in pvclock_clocksource_read()
x86/atomics: Always inline arch_atomic64*()
cpuidle: tracing, preempt: Squash _rcuidle tracing
cpuidle: tracing: Warn about !rcu_is_watching()
cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
cpuidle: drivers: firmware: psci: Dont instrument suspend code
KVM: selftests: Fix build of rseq test
exit: Detect and fix irq disabled state in oops
cpuidle, arm64: Fix the ARM64 cpuidle logic
cpuidle: mvebu: Fix duplicate flags assignment
sched/fair: Limit sched slice duration
...
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* OMAP2/3 Power Management Routines
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*
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* Copyright (C) 2008 Nokia Corporation
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* Jouni Hogander
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*/
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#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
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#define __ARCH_ARM_MACH_OMAP2_PM_H
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#include <linux/err.h>
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#include "powerdomain.h"
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#ifdef CONFIG_CPU_IDLE
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extern int __init omap3_idle_init(void);
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extern int __init omap4_idle_init(void);
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#else
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static inline int omap3_idle_init(void)
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{
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return 0;
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}
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static inline int omap4_idle_init(void)
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{
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return 0;
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}
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#endif
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extern void *omap3_secure_ram_storage;
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extern void omap3_pm_off_mode_enable(int);
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extern void omap_sram_idle(bool rcuidle);
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extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
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extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
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extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
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extern u32 enable_off_mode;
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#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
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extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
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#else
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#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
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#endif /* CONFIG_PM_DEBUG */
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/* 24xx */
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extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
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void __iomem *sdrc_power);
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extern unsigned int omap24xx_cpu_suspend_sz;
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/* 3xxx */
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extern void omap34xx_cpu_suspend(int save_state);
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/* omap3_do_wfi function pointer and size, for copy to SRAM */
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extern void omap3_do_wfi(void);
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extern unsigned int omap3_do_wfi_sz;
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/* ... and its pointer from SRAM after copy */
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extern void (*omap3_do_wfi_sram)(void);
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extern struct am33xx_pm_sram_addr am33xx_pm_sram;
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extern struct am33xx_pm_sram_addr am43xx_pm_sram;
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extern void omap3_save_scratchpad_contents(void);
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#define PM_RTA_ERRATUM_i608 (1 << 0)
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#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
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#define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2)
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
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extern u16 pm34xx_errata;
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#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
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extern void enable_omap3630_toggle_l2_on_restore(void);
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#else
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#define IS_PM34XX_ERRATUM(id) 0
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static inline void enable_omap3630_toggle_l2_on_restore(void) { }
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#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
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#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0)
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#define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1)
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#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\
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defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
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extern u16 pm44xx_errata;
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#define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id))
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#else
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#define IS_PM44XX_ERRATUM(id) 0
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#endif
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#define OMAP4_VP_CONFIG_ERROROFFSET 0x00
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#define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01
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#define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04
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#define OMAP4_VP_VLIMITTO_TIMEOUT_US 200
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#ifdef CONFIG_POWER_AVS_OMAP
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extern int omap_devinit_smartreflex(void);
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#else
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static inline int omap_devinit_smartreflex(void)
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{
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return -EINVAL;
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}
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#endif
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#ifdef CONFIG_TWL4030_CORE
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extern int omap3_twl_init(void);
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extern int omap4_twl_init(void);
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#else
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static inline int omap3_twl_init(void)
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{
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return -EINVAL;
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}
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static inline int omap4_twl_init(void)
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{
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return -EINVAL;
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}
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#endif
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#if IS_ENABLED(CONFIG_MFD_CPCAP)
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extern int omap4_cpcap_init(void);
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#else
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static inline int omap4_cpcap_init(void)
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{
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return -EINVAL;
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}
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#endif
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#ifdef CONFIG_PM
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extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut);
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#else
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static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; }
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#endif
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#ifdef CONFIG_SUSPEND
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void omap_common_suspend_init(void *pm_suspend);
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#else
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static inline void omap_common_suspend_init(void *pm_suspend)
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{
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}
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#endif /* CONFIG_SUSPEND */
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#endif
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