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authorIngo Molnar <mingo@elte.hu>2009-02-18 12:23:29 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-18 19:26:33 +0100
commit74019224ac34b044b44a31dd89a54e3477db4896 (patch)
treebf7b04319c0c4329eb6cef0788737c14d2fa9030 /drivers/infiniband/hw/nes/nes_verbs.c
parent5955c7a2cfb6a35429adea5dc480002b15ca8cfc (diff)
timers: add mod_timer_pending()
Impact: new timer API Based on an idea from Martin Josefsson with the help of Patrick McHardy and Stephen Hemminger: introduce the mod_timer_pending() API which is a mod_timer() offspring that is an invariant on already removed timers. (regular mod_timer() re-activates non-pending timers.) This is useful for the networking code in that it can allow unserialized mod_timer_pending() timer-forwarding calls, but a single del_timer*() will stop the timer from being reactivated again. Also while at it: - optimize the regular mod_timer() path some more, the timer-stat and a debug check was needlessly duplicated in __mod_timer(). - make the exports come straight after the function, as most other exports in timer.c already did. - eliminate __mod_timer() as an external API, change the users to mod_timer(). The regular mod_timer() code path is not impacted significantly, due to inlining optimizations and due to the simplifications. Based-on-patch-from: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Cc: netdev@vger.kernel.org Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_verbs.c')
0 files changed, 0 insertions, 0 deletions