freebsd-dev/sys/powerpc/aim
Mark Johnston dbbaf04f1e Remove support for idle page zeroing.
Idle page zeroing has been disabled by default on all architectures since
r170816 and has some bugs that make it seemingly unusable. Specifically,
the idle-priority pagezero thread exacerbates contention for the free page
lock, and yields the CPU without releasing it in non-preemptive kernels. The
pagezero thread also does not behave correctly when superpage reservations
are enabled: its target is a function of v_free_count, which includes
reserved-but-free pages, but it is only able to zero pages belonging to the
physical memory allocator.

Reviewed by:	alc, imp, kib
Differential Revision:	https://reviews.freebsd.org/D7714
2016-09-03 20:38:13 +00:00
..
aim_machdep.c Enter 64-bit mode as early as possible in the 64-bit PowerPC boot sequence. 2016-06-26 18:43:42 +00:00
locore32.S Remove dead code and dead comments, most notably the implemenation of the 2016-01-10 18:00:01 +00:00
locore64.S Enter 64-bit mode as early as possible in the 64-bit PowerPC boot sequence. 2016-06-26 18:43:42 +00:00
locore.S Add a kdb show command to print arbitrary SPRs on PowerPC 2016-08-13 18:46:49 +00:00
mmu_oea64.c Remove support for idle page zeroing. 2016-09-03 20:38:13 +00:00
mmu_oea64.h New pmap implementation for 64-bit PowerPC processors. The main focus of 2015-02-24 21:37:20 +00:00
mmu_oea.c Remove support for idle page zeroing. 2016-09-03 20:38:13 +00:00
moea64_if.m New pmap implementation for 64-bit PowerPC processors. The main focus of 2015-02-24 21:37:20 +00:00
moea64_native.c Make native page table access endian-safe. Even on CPUs running in 2015-11-17 16:09:26 +00:00
mp_cpudep.c Fix booting of 32-bit kernels on 64-bit G5 hardware. 2016-01-02 22:04:37 +00:00
slb.c As <machine/pmap.h> is included from <vm/pmap.h>, there is no need to 2016-02-22 09:02:20 +00:00
trap_subr32.S Make 32-bit PowerPC kernels, like 64-bit PowerPC kernels, position-independent 2015-03-07 20:14:46 +00:00
trap_subr64.S Remove dead code and dead comments, most notably the implemenation of the 2016-01-10 18:00:01 +00:00