/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _INPUT_COMPAT_H #define _INPUT_COMPAT_H /* * 32bit compatibility wrappers for the input subsystem. * * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik */ #include #include #include #ifdef CONFIG_COMPAT struct input_event_compat { compat_ulong_t sec; compat_ulong_t usec; __u16 type; __u16 code; __s32 value; }; struct ff_periodic_effect_compat { __u16 waveform; __u16 period; __s16 magnitude; __s16 offset; __u16 phase; struct ff_envelope envelope; __u32 custom_len; compat_uptr_t custom_data; }; struct ff_effect_compat { __u16 type; __s16 id; __u16 direction; struct ff_trigger trigger; struct ff_replay replay; union { struct ff_constant_effect constant; struct ff_ramp_effect ramp; struct ff_periodic_effect_compat periodic; struct ff_condition_effect condition[2]; /* One for each axis */ struct ff_rumble_effect rumble; } u; }; static inline size_t input_event_size(void) { return (in_compat_syscall() && !COMPAT_USE_64BIT_TIME) ? sizeof(struct input_event_compat) : sizeof(struct input_event); } #else static inline size_t input_event_size(void) { return sizeof(struct input_event); } #endif /* CONFIG_COMPAT */ int input_event_from_user(const char __user *buffer, struct input_event *event); int input_event_to_user(char __user *buffer, const struct input_event *event); int input_ff_effect_from_user(const char __user *buffer, size_t size, struct ff_effect *effect); #endif /* _INPUT_COMPAT_H */ ='/cgit/git.armlinux.org.uk/linux-net-next.git/tree/drivers/net/ethernet/mellanox/mlxsw/core.c?id=b7683155517c09c7e0f9d791eaab6dab3b4b2477'>treecommitdiff
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authorEdward Cree <ecree@solarflare.com>2020-02-17 13:43:10 +0000
committerDavid S. Miller <davem@davemloft.net>2020-02-17 14:35:23 -0800
commitb7683155517c09c7e0f9d791eaab6dab3b4b2477 (patch)
treecea3ca29b8db6619ce2b9f90695c919f0f3d1fd1 /drivers/net/ethernet/mellanox/mlxsw/core.c
parentbd706ff8ea2b6e2d3f21f0863b2fc42f860f8ba2 (diff)
sfc: only schedule asynchronous filter work if needed
Prevent excessive CPU time spent running a workitem with nothing to do. We avoid any races by keeping the same check in efx_filter_rfs_expire(). Suggested-by: Martin Habets <mhabets@solarflare.com> Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.c')