linux-IllusionX/include
Eric Dumazet 6326231531 tcp: syncookies: do not use getnstimeofday()
While it is true that getnstimeofday() uses about 40 cycles if TSC
is available, it can use 1600 cycles if hpet is the clocksource.

Switch to get_jiffies_64(), as this is more than enough, and
go back to 60 seconds periods.

Fixes: 8c27bd75f0 ("tcp: syncookies: reduce cookie lifetime to 128 seconds")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-20 16:22:42 -04:00
..
acpi
asm-generic
clocksource
crypto
drm
dt-bindings
keys
kvm
linux
math-emu
media
memory
misc
net tcp: syncookies: do not use getnstimeofday() 2014-03-20 16:22:42 -04:00
pcmcia
ras
rdma
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scsi
sound
target
trace
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