Re: gnumach: [PATCH] - irq as a mach device

[Damien Zammit]

On 5/7/20 8:13 pm, Samuel Thibault wrote:
> Yes, but part of that code was not from Linux, but is glue code, I
> believe this piece is part of it.
> We can always move code from linux/ anyway, as long as it doesn't pose
> long-term copyright issues.

I have a revised patch for the irq handling/sharing.

> What we however lack in the current RPC interface is the
> min/max/alignment of physical address constraints parameters, to make
> us possibly use VM_PAGE_SEG_DMA32 or even VM_PAGE_SEG_DMA instead of
> VM_PAGE_SEG_DIRECTMAP, and use the proper power-of-two to respect
> alignment and release unused pages accordingly.

I think I have fixed vm_allocate_contiguous, see attached second patch.

I still need to test patch 0002 with netdde/rump, for instance.

Damien

0001-irq-device.patch
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0002-mach-vm_allocate_contiguous.patch
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