ARM: MMU: fix arch_remap_range() across section boundaries

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Browse code ARM: MMU: fix arch_remap_range() across section boundaries Fixes: e3e54c6441 ARM: mmu: Implement on-demand PTE allocation PGD_FLAGS_WC_V7 lacks the PMD_TYPE_SECT and PMD_SECT_BUFFERABLE flags. Without them a dma_alloc_writecombine() creates an invalid section when it crosses a section boundary. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> stable/v2018.07 v2018.07.2 v2018.07.1
1 parent 1c1121f commit 4996ed5efbb2d7cd38a17fe456f8da820f1a1ef3 Sascha Hauer authored on 10 Jul 2018 Lucas Stach committed on 27 Jul 2018

Browse code

Fixes: e3e54c6441 ARM: mmu: Implement on-demand PTE allocation

PGD_FLAGS_WC_V7 lacks the PMD_TYPE_SECT and PMD_SECT_BUFFERABLE flags.
Without them a dma_alloc_writecombine() creates an invalid section when
it crosses a section boundary.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

stable/v2018.07 v2018.07.2 v2018.07.1

1 parent 1c1121f commit 4996ed5efbb2d7cd38a17fe456f8da820f1a1ef3

Sascha Hauer authored on 10 Jul 2018

Lucas Stach committed on 27 Jul 2018

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