CVS commit: src

["Ryota Ozaki" <ozaki-r%netbsd.org@localhost>]

Module Name:    src
Committed By:   ozaki-r
Date:           Thu Feb  1 03:15:29 UTC 2018

Modified Files:
        src/share/man/man9: xcall.9
        src/sys/kern: subr_xcall.c
        src/sys/sys: xcall.h

Log Message:
Support arbitrary softint IPLs in high priority xcall

The high priority xcall supported only a softint of IPL_SOFTSERIAL. It meant
that it didn't work for xcall callbacks depending on lower IPLs than
IPL_SOFTSERIAL.

The change makes xcall have multiple softints of IPLs and allow users to specify
arbitrary IPLs. Users can specify an IPL by XC_HIGHPRI_IPL passed to the 1st
argument of xc_broadcast or xc_unicast.

Note that xcall still serves requests one by one (i.e., doesn't run them
concurrently) even if requests have different IPLs.

Proposed on tech-kern@


To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/share/man/man9/xcall.9
cvs rdiff -u -r1.20 -r1.21 src/sys/kern/subr_xcall.c
cvs rdiff -u -r1.5 -r1.6 src/sys/sys/xcall.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.