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b6cf523c16
linux/arch/m68k
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Finn Thain b6cf523c16 m68k: Unroll raw_outsb() loop 
Unroll the raw_outsb() loop using the optimized assembler code from
raw_outsw(). That code is copied and pasted, with movew changed to moveb.

This improves the performance of sequential write transfers using mac_esp
in PIO mode by 5% or 10%. (The DMA controller on the 840av/660av models is
still unsupported so PIO transfers are used.)

Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2018-12-03 13:05:42 +01:00
..
68000 m68k: Fix off-by-one calendar month 2018-05-22 10:31:50 +02:00
amiga treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
apollo m68k: Remove unused set_clock_mmss() helpers 2018-07-29 10:48:18 +02:00
atari mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
bvme6000 m68k: Remove unused set_clock_mmss() helpers 2018-07-29 10:48:18 +02:00
coldfire mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
configs crypto: x86 - remove SHA multibuffer routines and mcryptd 2018-09-04 11:37:04 +08:00
emu m68k updates for v4.20 2018-10-29 09:02:15 -07:00
fpsp040 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hp300 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ifpsp060 scripts/spelling.txt: add regsiter -> register spelling mistake 2017-05-08 17:15:13 -07:00
include m68k: Unroll raw_outsb() loop 2018-12-03 13:05:42 +01:00
kernel mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
lib License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mac macintosh: Use common code to access RTC 2018-10-08 22:53:10 +11:00
math-emu m68k: Assorted spelling fixes 2016-07-03 14:05:28 +02:00
mm mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
mvme16x m68k: Remove unused set_clock_mmss() helpers 2018-07-29 10:48:18 +02:00
mvme147 m68k: Remove unused set_clock_mmss() helpers 2018-07-29 10:48:18 +02:00
q40 m68k: Remove unused set_clock_mmss() helpers 2018-07-29 10:48:18 +02:00
sun3 memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
sun3x mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
tools/amiga License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
install.sh
Kconfig mm: remove CONFIG_HAVE_MEMBLOCK 2018-10-31 08:54:15 -07:00
Kconfig.bus m68k: allow ColdFire PCI bus on MMU and non-MMU configuration 2018-05-28 09:45:27 +10:00
Kconfig.cpu m68k: allow ColdFire m5441x parts to run with MMU enabled 2017-11-06 08:25:20 +10:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Kconfig.devices License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig.machine m68k: add Sysam stmark2 open board support 2017-11-07 13:27:38 +10:00
Makefile kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00