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authorJiri Pirko <jiri@mellanox.com>2017-02-03 10:28:52 +0100
committerDavid S. Miller <davem@davemloft.net>2017-02-03 16:35:38 -0500
commitd5e556c6a158893d9e50de3d4e7638f753ffd520 (patch)
tree4756cc68c8aeba0abcabe13f8061c6e15be50105 /include/net/geneve.h
parent2946fde9fd7f6c38beaaf581514b706d07c7aec0 (diff)
mlxsw: item: Add helpers for getting pointer into payload for char buffer item
Sometimes it is handy to get a pointer to a char buffer item and use it direcly to write/read data. So add these helpers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/geneve.h')
0 files changed, 0 insertions, 0 deletions
p+0x120/0x150 cpu_subsys_online+0x64/0xe0 device_online+0xb4/0x120 online_store+0xb4/0xc0 dev_attr_store+0x68/0xa0 sysfs_kf_write+0x80/0xb0 kernfs_fop_write+0x17c/0x250 __vfs_write+0x6c/0x1e0 vfs_write+0xd0/0x270 SyS_write+0x6c/0x110 system_call+0x38/0xe0 Examination of the queue showed a single reference (no PERCPU_COUNT_BIAS, and __PERCPU_REF_DEAD, __PERCPU_REF_ATOMIC set) and no requests. However, conditions at the time of the race are count of PERCPU_COUNT_BIAS + 0 and __PERCPU_REF_DEAD and __PERCPU_REF_ATOMIC set. The fix is to make the tryget routines use an actual boolean internally instead of the atomic long result truncated to a int. Fixes: e625305b3907 percpu-refcount: make percpu_ref based on longs instead of ints Link: https://bugzilla.kernel.org/show_bug.cgi?id=190751 Signed-off-by: Douglas Miller <dougmill@linux.vnet.ibm.com> Reviewed-by: Jens Axboe <axboe@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: e625305b3907 ("percpu-refcount: make percpu_ref based on longs instead of ints") Cc: stable@vger.kernel.org # v3.18+
Diffstat (limited to 'net/tipc/udp_media.c')