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author | Daniel Borkmann <daniel@iogearbox.net> | 2018-03-30 22:50:16 +0200 |
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committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-03-30 22:50:17 +0200 |
commit | 807ae7daf5fb9ba9ef688344ae7c0d8cbebd211c (patch) | |
tree | 630eb9ec8764b825abe20e0457df291dd0c1f9eb /net/wireless/trace.h | |
parent | 1379ef828a18d8f81c526b25e4d5685caa2cfd65 (diff) | |
parent | 6ef6d84ceee2262a8c7a4247616c7eb71268b3f9 (diff) | |
download | linux-807ae7daf5fb9ba9ef688344ae7c0d8cbebd211c.tar.gz |
Merge branch 'bpf-sockmap-sg-api-fixes'
Prashant Bhole says: ==================== These patches fix sg api usage in sockmap. Previously sockmap didn't use sg_init_table(), which caused hitting BUG_ON in sg api, when CONFIG_DEBUG_SG is enabled v1: added sg_init_table() calls wherever needed. v2: - Patch1 adds new helper function in sg api. sg_init_marker() - Patch2 sg_init_marker() and sg_init_table() in appropriate places Backgroud: While reviewing v1, John Fastabend raised a valid point about unnecessary memset in sg_init_table() because sockmap uses sg table which embedded in a struct. As enclosing struct is zeroed out, there is unnecessary memset in sg_init_table. So Daniel Borkmann suggested to define another static inline function in scatterlist.h which only initializes sg_magic. Also this function will be called from sg_init_table. From this suggestion I defined a function sg_init_marker() which sets sg_magic and calls sg_mark_end() ==================== Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'net/wireless/trace.h')
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