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Add GET_STACK_USAGE() for arm64.
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Authored by markj on May 23 2018, 12:57 AM.
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Details

Summary

I noticed while testing builds on a ThunderX that the GEOM
service threads were quite busy. Turns out that arm64 was
missing a macro that's required in order to enable so-called
direct dispatch in GEOM. Without that, all I/O passes through
these threads.

The implementation is just copied from other arches. I will
look into unifying them, but this works for now.

Test Plan

buildkernel, verified that the GEOM threads are no longer busy

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rS FreeBSD src repository - subversion
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Event Timeline

markj edited the test plan for this revision. (Show Details)
markj added reviewers: andrew, emaste.
markj removed subscribers: andrew, emaste.
This revision is now accepted and ready to land.May 23 2018, 4:41 AM
This revision was automatically updated to reflect the committed changes.