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authorMitchell Horne <mhorne@FreeBSD.org>2021-11-25 16:01:11 +0000
committerMitchell Horne <mhorne@FreeBSD.org>2021-11-30 15:15:56 +0000
commit0d2224733e970aaa67a4e1af7b340044adda92f6 (patch)
tree69dcaf4901a34d3358a7eebef3529661fa0a5e13 /lib/libpathconv/rel2abs.c
parentb02908b051c897117ebbc3dcb55848383b17c435 (diff)
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Implement GET_STACK_USAGE on remaining archsHEADmain
This definition enables callers to estimate remaining space on the kstack, and take action on it. Notably, it enables optimizations in the GEOM and netgraph subsystems to directly dispatch work items when there is sufficient stack space, rather than queuing them for a worker thread. Implement it for riscv, arm, and mips. Remove the #ifdefs, so it will not go unimplemented elsewhere. PR: 259157 Reviewed by: mav, kib, markj (previous version) MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D32580
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