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um: time-travel: fix time-travel-start option

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[ Upstream commit 7d0a8a490aa3a2a82de8826aaf1dfa38575cb77a ]

We need to have the = as part of the option so that the
value can be parsed properly. Also document that it must
be given in nanoseconds, not seconds.

Fixes: 065038706f77 ("um: Support time travel mode")
Link: https://patch.msgid.link/20240417102744.14b9a9d4eba0.Ib22e9136513126b2099d932650f55f193120cd97@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Johannes Berg 2024-04-17 10:27:45 +02:00 committed by Greg Kroah-Hartman
parent 7f470524dc
commit 60557ae832
1 changed files with 2 additions and 2 deletions
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4
arch/um/kernel/time.c
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@ -874,9 +874,9 @@ int setup_time_travel_start(char *str)
return 1;
}
__setup("time-travel-start", setup_time_travel_start);
__setup("time-travel-start=", setup_time_travel_start);
__uml_help(setup_time_travel_start,
"time-travel-start=<seconds>\n"
"time-travel-start=<nanoseconds>\n"
"Configure the UML instance's wall clock to start at this value rather than\n"
"the host's wall clock at the time of UML boot.\n");
#endif