Re: [PATCH] iommufd: Constify struct dma_buf_attach_ops

[Jason Gunthorpe]

On Thu, Feb 26, 2026 at 10:05:21PM +0100, Christophe JAILLET wrote:
> 'struct dma_buf_attach_ops' is not modified in this driver.
> 
> Constifying this structure moves some data to a read-only section, so
> increases overall security, especially when the structure holds some
> function pointers.
> 
> On a x86_64, with allmodconfig:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>   81096	  13899	    192	  95187	  173d3	drivers/iommu/iommufd/pages.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>   81160	  13835	    192	  95187	  173d3	drivers/iommu/iommufd/pages.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Compile tested only.
> ---
>  drivers/iommu/iommufd/pages.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied thanks

Jason