Author: manu Date: Tue May 10 19:11:25 2016 New Revision: 299383 URL: https://svnweb.freebsd.org/changeset/base/299383
Log: When PLATFORM_SMP is enabled, check if tunable hw.ncpu is set and valid (>= 1 and <= real ncores) and set mp_ncpus to it. Approved by: andrew (mentor) Differential Revision: https://reviews.freebsd.org/D6151 Modified: head/sys/arm/arm/platform.c Modified: head/sys/arm/arm/platform.c ============================================================================== --- head/sys/arm/arm/platform.c Tue May 10 18:28:38 2016 (r299382) +++ head/sys/arm/arm/platform.c Tue May 10 19:11:25 2016 (r299383) @@ -209,8 +209,16 @@ platform_delay(int usec, void *arg __unu void platform_mp_setmaxid(void) { + int ncpu; PLATFORM_MP_SETMAXID(plat_obj); + + if (TUNABLE_INT_FETCH("hw.ncpu", &ncpu)) { + if (ncpu >= 1 && ncpu <= mp_ncpus) { + mp_ncpus = ncpu; + mp_maxid = ncpu - 1; + } + } } void _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
