AuxXxilium/linux_dsm_epyc7002
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518a2f1925
linux_dsm_epyc7002/arch/sparc/mm
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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
..
extable.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fault_32.c mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
fault_64.c mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
gup.c mm/gup.c: document return value 2018-04-13 17:10:27 -07:00
highmem.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugetlbpage.c sparc64: Add support for ADI (Application Data Integrity) 2018-03-18 07:38:48 -07:00
hypersparc.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
init_32.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
init_64.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
init_64.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io-unit.c dma-mapping: zero memory returned from dma_alloc_* 2018-12-20 08:13:52 +01:00
iommu.c dma-mapping: zero memory returned from dma_alloc_* 2018-12-20 08:13:52 +01:00
leon_mm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm_32.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srmmu_access.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srmmu.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
swift.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tlb.c mm: fix races between swapoff and flush dcache 2018-04-05 21:36:26 -07:00
tsb.c sparc64: Add support for ADI (Application Data Integrity) 2018-03-18 07:38:48 -07:00
tsunami.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ultra.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
viking.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00