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1660710cf5
linux/arch/mips/mm
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Paul Cercueil 1660710cf5 MIPS: mm: XBurst CPU requires sync after DMA 
I am not sure why this is required, but if this is not enabled, reading
from a buffer in which data has been DMA'd may read incorrect values.

This used to happen for instance in mmc_app_send_scr()
(drivers/mmc/core/sd_ops.c), where data is DMA'd to a buffer then copied
by the CPU to a different location.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-06-01 11:44:46 +02:00
..
c-octeon.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
c-r3k.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
c-r4k.c driver core: lift dma_default_coherent into common code 2021-02-13 09:51:45 +01:00
c-tx39.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
cache.c mm: move page_mapping_file to pagemap.h 2021-04-30 11:20:37 -07:00
cerr-sb1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cex-gen.S
cex-oct.S
cex-sb1.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
context.c MIPS: Export mm switching functions used by KVM 2019-02-05 11:44:44 -08:00
dma-noncoherent.c MIPS: mm: XBurst CPU requires sync after DMA 2021-06-01 11:44:46 +02:00
extable.c
fault.c MIPS: mm: abort uaccess retries upon fatal signal 2021-01-22 11:34:19 +01:00
highmem.c mips/mm/highmem: Switch to generic kmap atomic 2020-11-06 23:14:56 +01:00
hugetlbpage.c hugetlb: pass vma into huge_pte_alloc() and huge_pmd_share() 2021-05-05 11:27:20 -07:00
init.c mm: move mem_init_print_info() into mm_init() 2021-04-30 11:20:42 -07:00
ioremap64.c MIPS: move ioremap_prot und iounmap out of line 2020-04-19 16:12:31 +02:00
ioremap.c MIPS: use ioremap_page_range 2020-04-19 16:13:18 +02:00
maccess.c MIPS: uaccess: Added __get/__put_kernel_nofault 2021-04-06 14:36:56 +02:00
Makefile MIPS: uaccess: Added __get/__put_kernel_nofault 2021-04-06 14:36:56 +02:00
mmap.c mips: use generic mmap top-down layout and brk randomization 2019-09-24 15:54:12 -07:00
page-funcs.S
page.c MIPS: Convert R4600_V2_HIT_CACHEOP into a config option 2020-09-07 22:23:48 +02:00
pgtable-32.c MIPS: do not call flush_tlb_all when setting pmd entry 2021-02-24 13:38:32 -08:00
pgtable-64.c MIPS: do not call flush_tlb_all when setting pmd entry 2021-02-24 13:38:32 -08:00
pgtable.c
physaddr.c MIPS: Add support for CONFIG_DEBUG_VIRTUAL 2021-04-06 14:34:02 +02:00
sc-debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sc-ip22.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
sc-mips.c mips: fix Section mismatch in reference 2020-12-14 16:39:42 +01:00
sc-r5k.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
sc-rm7k.c
tlb-funcs.S
tlb-r3k.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
tlb-r4k.c MIPS: export has_transparent_hugepage() for modules 2020-10-27 12:44:34 +01:00
tlbex-fault.S
tlbex.c MIPS: clean up CONFIG_MIPS_PGD_C0_CONTEXT handling 2021-03-14 14:08:15 +01:00
uasm-micromips.c mips: bpf: implement jitting of BPF_ALU | BPF_ARSH | BPF_X 2018-12-07 13:30:48 -08:00
uasm-mips.c MIPS: uasm: Add div, mul and sel instructions for mipsr6 2019-03-19 15:26:06 -07:00
uasm.c MIPS: Get rid of CAVIUM_OCTEON_DCACHE_PREFETCH_WAR 2020-09-07 22:25:16 +02:00