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bce19683c1
This fixes a deadlock that could occur on a 'setup' and 'teardown' sequence of the workq for a edac_mc control structure instance. A similiar fix was previously implemented for the edac_device code. In addition, the edac_mc device code there was missing code to allow the workq period valu to be altered via sysfs control. This patch adds that fix on the code, and allows for the changing of the period value as well. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
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/*
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* edac_module.h
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*
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* For defining functions/data for within the EDAC_CORE module only
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*
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* written by doug thompson <norsk5@xmission.h>
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*/
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#ifndef __EDAC_MODULE_H__
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#define __EDAC_MODULE_H__
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#include <linux/sysdev.h>
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#include "edac_core.h"
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/*
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* INTERNAL EDAC MODULE:
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* EDAC memory controller sysfs create/remove functions
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* and setup/teardown functions
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*
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* edac_mc objects
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*/
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extern int edac_sysfs_setup_mc_kset(void);
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extern void edac_sysfs_teardown_mc_kset(void);
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extern int edac_mc_register_sysfs_main_kobj(struct mem_ctl_info *mci);
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extern void edac_mc_unregister_sysfs_main_kobj(struct mem_ctl_info *mci);
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extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci);
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extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
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extern void edac_check_mc_devices(void);
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extern int edac_get_log_ue(void);
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extern int edac_get_log_ce(void);
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extern int edac_get_panic_on_ue(void);
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extern int edac_mc_get_log_ue(void);
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extern int edac_mc_get_log_ce(void);
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extern int edac_mc_get_panic_on_ue(void);
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extern int edac_get_poll_msec(void);
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extern int edac_mc_get_poll_msec(void);
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extern int edac_device_register_sysfs_main_kobj(
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struct edac_device_ctl_info *edac_dev);
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extern void edac_device_unregister_sysfs_main_kobj(
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struct edac_device_ctl_info *edac_dev);
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extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
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extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
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extern struct sysdev_class *edac_get_edac_class(void);
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/* edac core workqueue: single CPU mode */
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extern struct workqueue_struct *edac_workqueue;
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extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
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unsigned msec);
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extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
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extern void edac_device_reset_delay_period(struct edac_device_ctl_info
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*edac_dev, unsigned long value);
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extern void edac_mc_reset_delay_period(int value);
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extern void *edac_align_ptr(void *ptr, unsigned size);
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/*
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* EDAC PCI functions
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*/
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#ifdef CONFIG_PCI
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extern void edac_pci_do_parity_check(void);
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extern void edac_pci_clear_parity_errors(void);
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extern int edac_sysfs_pci_setup(void);
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extern void edac_sysfs_pci_teardown(void);
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extern int edac_pci_get_check_errors(void);
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extern int edac_pci_get_poll_msec(void);
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#else /* CONFIG_PCI */
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/* pre-process these away */
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#define edac_pci_do_parity_check()
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#define edac_pci_clear_parity_errors()
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#define edac_sysfs_pci_setup() (0)
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#define edac_sysfs_pci_teardown()
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#define edac_pci_get_check_errors()
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#define edac_pci_get_poll_msec()
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#endif /* CONFIG_PCI */
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#endif /* __EDAC_MODULE_H__ */
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