# # IEC 62439-3 High-availability Seamless Redundancy # config HSR tristate "High-availability Seamless Redundancy (HSR)" ---help--- If you say Y here, then your Linux box will be able to act as a DANH ("Doubly attached node implementing HSR"). For this to work, your Linux box needs (at least) two physical Ethernet interfaces, and it must be connected as a node in a ring network together with other HSR capable nodes. All Ethernet frames sent over the hsr device will be sent in both directions on the ring (over both slave ports), giving a redundant, instant fail-over network. Each HSR node in the ring acts like a bridge for HSR frames, but filters frames that have been forwarded earlier. This code is a "best effort" to comply with the HSR standard as described in IEC 62439-3:2010 (HSRv0) and IEC 62439-3:2012 (HSRv1), but no compliancy tests have been made. Use iproute2 to select the version you desire. You need to perform any and all necessary tests yourself before relying on this code in a safety critical system! If unsure, say N. e='emaclite-cleanup'>emaclite-cleanup net-next plumbingsTobias Klauser
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authorAlexander Stein <alexander.stein@systec-electronic.com>2017-01-30 12:35:28 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 15:53:57 +0100
commitcdca06e4e85974d8a3503ab15709dbbaf90d3dd1 (patch)
tree268b0c01070a957006db97c88dccb5fb061440ff /net/ipv6/seg6_iptunnel.c
parent1b89970d81bbd52720fc64a3fe9572ee33588363 (diff)
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901) concurrent read accesses may result in returning 0xffffffff and write accesses may be dropped silently. To workaround all accesses must be protected by locks. Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'net/ipv6/seg6_iptunnel.c')