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authorAndrey Smirnov <andrew.smirnov@gmail.com>2016-09-28 15:22:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-09-28 16:19:01 -0700
commit2481366afd71a0c0b7cd725e6750c04cf589673b (patch)
treebddefbe87e77de1c6d7d5d6e77ea85155973b45e /scripts
parent5b398e416e880159fe55eefd93c6588fa072cd66 (diff)
dma-mapping.h: preserve unmap info for CONFIG_DMA_API_DEBUG
When CONFIG_DMA_API_DEBUG is enabled we need to preserve unmapping address even if "unmap" is a no-op for our architecutre because we need debug_dma_unmap_page() to correctly cleanup all of the debug bookkeeping. Failing to do so results in a false positive warnings about previously mapped areas never being unmapped. Link: http://lkml.kernel.org/r/1474387125-3713-1-git-send-email-andrew.smirnov@gmail.com Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Will Deacon <will.deacon@arm.com> Cc: Zhen Lei <thunder.leizhen@huawei.com> Cc: "Luis R. Rodriguez" <mcgrof@suse.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Geliang Tang <geliangtang@163.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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