[PATCH v2 4/7] um: Indent time-travel help messages
Tiwei Bie
tiwei.bie at linux.dev
Tue Aug 26 17:57:00 PDT 2025
From: Tiwei Bie <tiwei.btw at antgroup.com>
Indent the help messages for time-travel to make them consistent
with the format of other help messages.
Signed-off-by: Tiwei Bie <tiwei.btw at antgroup.com>
---
arch/um/kernel/time.c | 36 ++++++++++++++++++------------------
1 file changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index cce5e3371e9f..17da0a870650 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -986,26 +986,26 @@ static int setup_time_travel(char *str)
__setup("time-travel", setup_time_travel);
__uml_help(setup_time_travel,
"time-travel\n"
-"This option just enables basic time travel mode, in which the clock/timers\n"
-"inside the UML instance skip forward when there's nothing to do, rather than\n"
-"waiting for real time to elapse. However, instance CPU speed is limited by\n"
-"the real CPU speed, so e.g. a 10ms timer will always fire after ~10ms wall\n"
-"clock (but quicker when there's nothing to do).\n"
+" This option just enables basic time travel mode, in which the clock/timers\n"
+" inside the UML instance skip forward when there's nothing to do, rather than\n"
+" waiting for real time to elapse. However, instance CPU speed is limited by\n"
+" the real CPU speed, so e.g. a 10ms timer will always fire after ~10ms wall\n"
+" clock (but quicker when there's nothing to do).\n"
"\n"
"time-travel=inf-cpu\n"
-"This enables time travel mode with infinite processing power, in which there\n"
-"are no wall clock timers, and any CPU processing happens - as seen from the\n"
-"guest - instantly. This can be useful for accurate simulation regardless of\n"
-"debug overhead, physical CPU speed, etc. but is somewhat dangerous as it can\n"
-"easily lead to getting stuck (e.g. if anything in the system busy loops).\n"
+" This enables time travel mode with infinite processing power, in which there\n"
+" are no wall clock timers, and any CPU processing happens - as seen from the\n"
+" guest - instantly. This can be useful for accurate simulation regardless of\n"
+" debug overhead, physical CPU speed, etc. but is somewhat dangerous as it can\n"
+" easily lead to getting stuck (e.g. if anything in the system busy loops).\n"
"\n"
"time-travel=ext:[ID:]/path/to/socket\n"
-"This enables time travel mode similar to =inf-cpu, except the system will\n"
-"use the given socket to coordinate with a central scheduler, in order to\n"
-"have more than one system simultaneously be on simulated time. The virtio\n"
-"driver code in UML knows about this so you can also simulate networks and\n"
-"devices using it, assuming the device has the right capabilities.\n"
-"The optional ID is a 64-bit integer that's sent to the central scheduler.\n\n");
+" This enables time travel mode similar to =inf-cpu, except the system will\n"
+" use the given socket to coordinate with a central scheduler, in order to\n"
+" have more than one system simultaneously be on simulated time. The virtio\n"
+" driver code in UML knows about this so you can also simulate networks and\n"
+" devices using it, assuming the device has the right capabilities.\n"
+" The optional ID is a 64-bit integer that's sent to the central scheduler.\n\n");
static int setup_time_travel_start(char *str)
{
@@ -1022,8 +1022,8 @@ static int setup_time_travel_start(char *str)
__setup("time-travel-start=", setup_time_travel_start);
__uml_help(setup_time_travel_start,
"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\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\n");
static struct kobject *bc_time_kobject;
--
2.34.1
More information about the linux-um
mailing list