%language=ANSI-C %define hash-function-name is_reserved_hash %define lookup-function-name is_reserved_word %{ struct resword; static const struct resword *is_reserved_word(register const char *str, register unsigned int len); %} struct resword { const char *name; int token; } %% EXPORT_SYMBOL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL_FUTURE, EXPORT_SYMBOL_KEYW EXPORT_UNUSED_SYMBOL, EXPORT_SYMBOL_KEYW EXPORT_UNUSED_SYMBOL_GPL, EXPORT_SYMBOL_KEYW __asm, ASM_KEYW __asm__, ASM_KEYW __attribute, ATTRIBUTE_KEYW __attribute__, ATTRIBUTE_KEYW __const, CONST_KEYW __const__, CONST_KEYW __extension__, EXTENSION_KEYW __inline, INLINE_KEYW __inline__, INLINE_KEYW __signed, SIGNED_KEYW __signed__, SIGNED_KEYW __typeof, TYPEOF_KEYW __typeof__, TYPEOF_KEYW __volatile, VOLATILE_KEYW __volatile__, VOLATILE_KEYW __builtin_va_list, VA_LIST_KEYW # According to rth, c99 defines _Bool, __restrict, __restrict__, restrict. KAO _Bool, BOOL_KEYW _restrict, RESTRICT_KEYW __restrict__, RESTRICT_KEYW restrict, RESTRICT_KEYW asm, ASM_KEYW # attribute commented out in modutils 2.4.2. People are using 'attribute' as a # field name which breaks the genksyms parser. It is not a gcc keyword anyway. # KAO. # attribute, ATTRIBUTE_KEYW auto, AUTO_KEYW char, CHAR_KEYW const, CONST_KEYW double, DOUBLE_KEYW enum, ENUM_KEYW extern, EXTERN_KEYW float, FLOAT_KEYW inline, INLINE_KEYW int, INT_KEYW long, LONG_KEYW register, REGISTER_KEYW short, SHORT_KEYW signed, SIGNED_KEYW static, STATIC_KEYW struct, STRUCT_KEYW typedef, TYPEDEF_KEYW typeof, TYPEOF_KEYW union, UNION_KEYW unsigned, UNSIGNED_KEYW void, VOID_KEYW volatile, VOLATILE_KEYW next.git/refs/?h=nds-private-remove&id=433e19cf33d34bb6751c874a9c00980552fe508c'>refslogtreecommitdiff
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authorDexuan Cui <decui@microsoft.com>2017-01-28 11:46:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 10:59:48 +0100
commit433e19cf33d34bb6751c874a9c00980552fe508c (patch)
treece6547ef2987fbb289fa28f03536328a42781651 /net/netlink/genetlink.c
parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/netlink/genetlink.c')