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Re: [PATCH] xen/public: remove some unused defines from xs_wire.h
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Jürgen Groß <jgross@xxxxxxxx>
- Date: Wed, 5 Mar 2025 10:27:23 +0100
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 05 Mar 2025 09:27:27 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 05.03.25 10:14, Jan Beulich wrote:
On 05.03.2025 09:56, Juergen Gross wrote:
xs_wire.h contains some defines XS_WRITE_* which seem to be leftovers
from some decades ago. They haven't been used in the Xen tree since at
least Xen 2.0 and they make no sense anyway.
Remove them, as they seem not to be related to any Xen interface we
have today.
How sure are you/we that there are no out-of-tree uses of them? They
aren't in e.g. a __XEN_TOOLS__ protected region after all. (I don't
mind their removal, but in public headers I think we need to be
double careful.)
The reasoning is all in the commit message: those macros haven't made
any sense since ages.
In case someone is using them, the usage is either wrong or not related
to Xen. I have checked Mini-OS, Qemu and Linux kernel for uses and
didn't find any.
Juergen
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