Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1676509
| From | Arvind Yadav <arvind.yadav.cs@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] iommu/vt-d: constify intel_dma_ops. |
| Date | 2017-06-28 12:10 +0200 |
| Message-ID | <tXi54-5sM-19@gated-at.bofh.it> (permalink) |
| References | <tRR5w-6If-27@gated-at.bofh.it> <tXgZk-4AZ-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 >
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Re: [PATCH] iommu/vt-d: constify intel_dma_ops. Joerg Roedel <joro@8bytes.org> - 2017-06-28 11:00 +0200
Re: [PATCH] iommu/vt-d: constify intel_dma_ops. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-06-28 12:10 +0200
Re: [PATCH] iommu/vt-d: constify intel_dma_ops. Joerg Roedel <joro@8bytes.org> - 2017-06-28 12:30 +0200
csiph-web