/* Copyright 2016 Netflix, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. */ #include #include #include #include #include "bpf_helpers.h" #define MAX_IPS 8192 struct bpf_map_def SEC("maps") ip_map = { .type = BPF_MAP_TYPE_HASH, .key_size = sizeof(u64), .value_size = sizeof(u32), .max_entries = MAX_IPS, }; SEC("perf_event") int do_sample(struct bpf_perf_event_data *ctx) { u64 ip; u32 *value, init_val = 1; ip = PT_REGS_IP(&ctx->regs); value = bpf_map_lookup_elem(&ip_map, &ip); if (value) *value += 1; else /* E2BIG not tested for this example only */ bpf_map_update_elem(&ip_map, &ip, &init_val, BPF_NOEXIST); return 0; } char _license[] SEC("license") = "GPL"; orm method='get'> net-next plumbingsTobias Klauser
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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-12-27 11:32:55 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-12-27 13:20:21 -0800
commitd7ddad0acc4add42567f7879b116a0b9eea31860 (patch)
treef4c9a71249978a8da745d82b98b65ae44b555ed6 /net/irda/ircomm
parent5191d88acc688743eef56f1c598a4e4cddf6c6cd (diff)
Input: synaptics-rmi4 - fix F03 build error when serio is module
Since F03 is a boolean, "depends" on symbols that can be modules do not work quite right. We can enable F03 if SERIO is built-in or if both RMI core and SERIO core are modules. If SERIO core is module, but RMI is built-in, we'll get: drivers/built-in.o: In function `rmi_f03_attention': rmi_f03.c:(.text+0xf8ef8): undefined reference to `serio_interrupt' rmi_f03.c:(.text+0xf8fbd): undefined reference to `serio_interrupt' drivers/built-in.o: In function `rmi_f03_remove': rmi_f03.c:(.text+0xf9082): undefined reference to `serio_unregister_port' drivers/built-in.o: In function `rmi_f03_probe': rmi_f03.c:(.text+0xf9260): undefined reference to `__serio_register_port' Reported-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'net/irda/ircomm')