arm: Replace arm sched_clock by clocksource based sched_clock
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Cover letter [patch 00/16] arm: Replace arm sched_clock by clocksource based sched_clock
Quoted 6 lines · Linus Walleij
2011/4/23 Thomas Gleixner <[email protected]>:
Quoted 3 lines
Most of ARM
sched_clocksis using the timekeeping clocksource as thesched_clock. Only versatile uses a different clock for it, but there is no real reason why it can't use the clocksource as well.
Quoted 6 lines
Excellent patch set!
Quoted 1 line
Another 650 lines gone :)
Any reason why we can't simply move *all* of these to
drivers/clocksource/*and proceed with consolidation there?
This gives me some pause, as having the clocksources in the platform code makes it easier to know what platform needs to be tested when a change is made. The rule so far has been if more then one arch can make use of it, it should be moved to the drivers/clocksource dir. Otherwise, leave it close to any arch specific code that manages the hardware.
Quoted 2 lines
It must be a pain having to grep through the tree to find all of these (even though I bet you know them all by heart now).
Not sure if grepping backwards through config dependencies to see who actually uses a specific clocksource would be easier. But I'll admit that sharing code is likely more important.
thanks
-john