]> git.baikalelectronics.ru Git - kernel.git/commit
arm,arm64: do not always merge biovec if we are running on Xen
authorStefano Stabellini <stefano.stabellini@eu.citrix.com>
Fri, 25 Oct 2013 10:33:26 +0000 (10:33 +0000)
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>
Fri, 25 Oct 2013 10:33:26 +0000 (10:33 +0000)
commitb50fe5490a89629780a6cb4a7fd3d8ff5360e77a
tree92784190b99b6b9e1a665a29dc2f1efb60623ff6
parent8f038e40ef1ac10f6785914186c44ddc01007461
arm,arm64: do not always merge biovec if we are running on Xen

This is similar to what it is done on X86: biovecs are prevented from merging
otherwise every dma requests would be forced to bounce on the swiotlb buffer.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Changes in v7:
- remove the extra autotranslate check in biomerge.c.
arch/arm/include/asm/io.h
arch/arm64/include/asm/io.h