Re: [PATCH v6 1/3] i915/gvt: Introduce the mmio table to support VFIO new mdev API

From: Christoph Hellwig
Date: Wed Feb 09 2022 - 02:37:00 EST


A cover letter with the changelog, the base and maybe a pointer to a git
tree would be nice.

> +static int handle_mmio_cb(struct intel_gvt_mmio_table_iter *iter, u32 offset,
> + u32 device, u32 size)
> +{
> + if (size < 1024 || offset == i915_mmio_reg_offset(GEN9_GFX_MOCS(0)))
> + return handle_mmio(iter, offset, device, size);
> + else
> + return handle_mmio_block(iter, offset, device, size);
> +}

No need for an else statement after a return statement.

> +/* XXX FIXME i915 has changed PP_XXX definition */

Btw, can someone explain this comment? I has always puzzled me.