[PATCH] memfd_secret: use unsigned int rather than long as syscall flags type

Yury Norov yury.norov at gmail.com
Wed Mar 31 22:52:18 BST 2021


On Wed, Mar 31, 2021 at 05:23:45PM +0300, Mike Rapoport wrote:
> From: Mike Rapoport <rppt at linux.ibm.com>
> 
> Yuri Norov says:
> 
>   If parameter size is the same for native and compat ABIs, we may
>   wire a syscall made by compat client to native handler. This is
>   true for unsigned int, but not true for unsigned long or pointer.
> 
>   That's why I suggest using unsigned int and so avoid creating compat
>   entry point.
> 
> Use unsigned int as the type of the flags parameter in memfd_secret()
> system call.
> 
> Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>

Acked-by: Yury Norov <yury.norov at gmail.com>



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