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Re: [PATCH 2/4] tools/libxc: Delete ENOSYS squashing in xc_domain_claim_pages()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Wed, 17 Dec 2025 17:29:31 +0100
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Wed, 17 Dec 2025 16:30:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Dec 16, 2025 at 04:32:28PM +0000, Andrew Cooper wrote:
> It's not acceptable to hide this from the caller; the effect of doing so is to
> break an atomicity expectation.
>
> Only the caller can know what the appropriate safety action is in the case
> that the claim hypercall isn't available.
>
> Fixes: fc67e9dc0c1f ("xc: use XENMEM_claim_pages hypercall during guest
> creation.")
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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