Add flags variants to linker_files / stack(9) symbol resolution
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Authored by cem on Oct 19 2018, 10:09 PM.

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Reviewers

rwatson
markj
avg

Commits

rS339463: Add flags variants to linker_files / stack(9) symbol resolution

Summary

Some best-effort consumers may find trylock behavior for stack(9) symbol
resolution acceptable. Expose that behavior to such consumers.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Tests Not Applicable

Event Timeline

cem created this revision.Oct 19 2018, 10:09 PM

Harbormaster completed remote builds in B20297: Diff 49322.Oct 19 2018, 10:09 PM

cem added a child revision: D17621: tty info (^T): Add optional kernel stack(9) traces.Oct 19 2018, 10:30 PM

I don't really like the extra KPIs, but I get that it's the most straightforward way to get SIGINFO stacks. If we end up fixing the linker locking issues, we should revert this IMO.

sys/kern/subr_stack.c
193 ↗	(On Diff #49322)	Style: missing newline.

This revision is now accepted and ready to land.Oct 20 2018, 5:05 PM

In D17620#376264, @markj wrote:

I don't really like the extra KPIs, but I get that it's the most straightforward way to get SIGINFO stacks. If we end up fixing the linker locking issues, we should revert this IMO.

+100