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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-01-20 22:04:06 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-01-24 18:23:35 +0100 |
| commit | 7844572c633964c864d9f32dc3f2a8ffe5d70371 (patch) | |
| tree | a0402ba054805b019692ba5a1e865f6849569957 /lib/Kconfig | |
| parent | lib/dma-noop: Clarify a comment (diff) | |
| download | linux-7844572c633964c864d9f32dc3f2a8ffe5d70371.tar.xz linux-7844572c633964c864d9f32dc3f2a8ffe5d70371.zip | |
lib/dma-noop: Only build dma_noop_ops for s390 and m32r
Reduce the kernel size by only building dma_noop_ops for those
architectures that actually use it. This was suggested by
Christoph Hellwig.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 260a80e313b9..b6baf0609e8b 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -395,6 +395,11 @@ config HAS_DMA depends on !NO_DMA default y +config DMA_NOOP_OPS + bool + depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT) + default n + config CHECK_SIGNATURE bool |