On 2020-05-30 15:59, Russell King - ARM Linux admin wrote:

On Sat, May 30, 2020 at 03:51:35PM +0100, Robin Murphy wrote:

quoted

On 2020-04-09 06:05, Jaedon Shin wrote:

quoted

__vdso_*() should be removed and fallback used if CNTCVT is not
available by cntvct_functional(). __vdso_clock_gettime64 when added
previous commit is using the incorrect CNTCVT value in that state.
__vdso_clock_gettime64 is also added to remove it's symbol.

Tested-by: Robin Murphy <robin.murphy@arm.com>

Turns out this is what was making my RK3288 box virtually unusable since its
last couple of updates - it would be nice to get the fix merged and
backported ASAP. I suspect it's also the same underlying thing for the
Raspberry Pi thread over here:

https://lore.kernel.org/linux-arm-kernel/CAK8P3a2Tw2w73ZkK-W6AA9veMK4-miLUx-TL1EuOdP7EdW-AmQ@mail.gmail.com/ (local)

Does this mean I need to do something with this patch? It's not been
put in the patch system, so I'm afraid it's missed the boat for 5.7.

Well, there still seems to be a little uncertainty over whether this is 
the best fix, so I guess we may as well wait until the end of the merge 
window just in case somebody comes up with something more solid.

In this particular context I'm merely a user who wants my thing to work, 
but I'll try to keep an eye out and follow up if I don't see any other 
movement.

Robin.

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