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authorJohannes Berg2020-12-04 12:34:34 +0100
committerRichard Weinberger2020-12-13 22:38:06 +0100
commit58b09f68697066dfde948153c82dd5d85e10f127 (patch)
treeab41f419aeb6a9dbedc2d515173e412b69804f69 /arch/um/Kconfig
parent3c6ac61bc91ea39031f020c973a91db0aee10fde (diff)
um: time-travel: avoid multiple identical propagations
If there is some kind of interrupt negotation or such then it may happen that we send an update message multiple times, avoid that in the interest of efficiency by storing the last transmitted value and only sending a new update if it's not the same as the last update. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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