/* * The USB Monitor, inspired by Dave Harding's USBMon. * * Copyright (C) 2005 Pete Zaitcev (zaitcev@redhat.com) */ #ifndef __USB_MON_H #define __USB_MON_H #include #include #include /* #include */ /* We use struct pointers only in this header */ #define TAG "usbmon" struct mon_bus { struct list_head bus_link; spinlock_t lock; struct usb_bus *u_bus; int text_inited; int bin_inited; struct dentry *dent_s; /* Debugging file */ struct dentry *dent_t; /* Text interface file */ struct dentry *dent_u; /* Second text interface file */ struct device *classdev; /* Device in usbmon class */ /* Ref */ int nreaders; /* Under mon_lock AND mbus->lock */ struct list_head r_list; /* Chain of readers (usually one) */ struct kref ref; /* Under mon_lock */ /* Stats */ unsigned int cnt_events; unsigned int cnt_text_lost; }; /* * An instance of a process which opened a file (but can fork later) */ struct mon_reader { struct list_head r_link; struct mon_bus *m_bus; void *r_data; /* Use container_of instead? */ void (*rnf_submit)(void *data, struct urb *urb); void (*rnf_error)(void *data, struct urb *urb, int error); void (*rnf_complete)(void *data, struct urb *urb, int status); }; void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r); void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r); struct mon_bus *mon_bus_lookup(unsigned int num); int /*bool*/ mon_text_add(struct mon_bus *mbus, const struct usb_bus *ubus); void mon_text_del(struct mon_bus *mbus); int /*bool*/ mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus); void mon_bin_del(struct mon_bus *mbus); int __init mon_text_init(void); void mon_text_exit(void); int __init mon_bin_init(void); void mon_bin_exit(void); /* */ extern struct mutex mon_lock; extern const struct file_operations mon_fops_stat; extern struct mon_bus mon_bus0; /* Only for redundant checks */ #endif /* __USB_MON_H */ y.c?id=0b3589be9b98994ce3d5aeca52445d1f5627c4ba'>commitdiff
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authorPeter Zijlstra <peterz@infradead.org>2017-01-26 23:15:08 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-30 11:41:26 +0100
commit0b3589be9b98994ce3d5aeca52445d1f5627c4ba (patch)
tree85d0d9b3ac902af2c938b19a566884caf8d00323 /net/bluetooth/rfcomm/tty.c
parenta76a82a3e38c8d3fb6499e3dfaeb0949241ab588 (diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/bluetooth/rfcomm/tty.c')