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518a2f1925
linux/arch/m68k
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Christoph Hellwig 518a2f1925 dma-mapping: zero memory returned from dma_alloc_* 
If we want to map memory from the DMA allocator to userspace it must be
zeroed at allocation time to prevent stale data leaks.   We already do
this on most common architectures, but some architectures don't do this
yet, fix them up, either by passing GFP_ZERO when we use the normal page
allocator or doing a manual memset otherwise.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Acked-by: Sam Ravnborg <sam@ravnborg.org> [sparc]
2018-12-20 08:13:52 +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 s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
kernel dma-mapping: zero memory returned from dma_alloc_* 2018-12-20 08:13:52 +01:00
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 dma-mapping: always build the direct mapping code 2018-12-13 21:06:11 +01:00
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