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Re: [PATCH] xen/privcmd: allow fetching resource sizes

On 11.01.21 16:29, Roger Pau Monne wrote:
Allow issuing an IOCTL_PRIVCMD_MMAP_RESOURCE ioctl with num = 0 and
addr = 0 in order to fetch the size of a specific resource.

Add a shortcut to the default map resource path, since fetching the
size requires no address to be passed in, and thus no VMA to setup.

Fixes: 3ad0876554caf ('xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE')

I don't think this addition is a reason to add a "Fixes:" tag. This is
clearly new functionality.


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