Messages in this thread | | | Subject | Re: [PATCH] iommu/vt-d: constify intel_dma_ops. | From | Arvind Yadav <> | Date | Wed, 28 Jun 2017 15:31:16 +0530 |
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Hi,
Most dma_map_ops structures are never modified. Constify these structures such that these can be write-protected. This file size diff will show the difference between data and text segment.
Thanks, ~arvind
On Wednesday 28 June 2017 02:23 PM, Joerg Roedel wrote: > On Tue, Jun 13, 2017 at 03:48:34PM +0530, Arvind Yadav wrote: >> File size before: >> text data bss dec hex filename >> 32765 758 1824 35347 8a13 drivers/iommu/intel-iommu.o >> >> File size After adding 'const': >> text data bss dec hex filename >> 32925 598 1824 35347 8a13 drivers/iommu/intel-iommu.o > What is the point of those commit-messages? They just show that the > struct moved from data to the text segment. The overall size doesn't > change much. > > > > Joerg >
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