Re: [PATCH v2 3/9] x86/xen: print a warning when HVMOP_get_mem_type fails

[PATCH v2 0/9] proc/vmcore: sanitize access to virtio-mem memory · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 1/9] x86/xen: update xen_oldmem_pfn_is_ram() documentation · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 2/9] x86/xen: simplify xen_oldmem_pfn_is_ram() · David Hildenbrand <hidden> · 2021-10-05
Re: [PATCH v2 2/9] x86/xen: simplify xen_oldmem_pfn_is_ram() · Boris Ostrovsky <boris.ostrovsky@oracle.com> · 2021-10-05
[PATCH v2 3/9] x86/xen: print a warning when HVMOP_get_mem_type fails · David Hildenbrand <hidden> · 2021-10-05
Re: [PATCH v2 3/9] x86/xen: print a warning when HVMOP_get_mem_type fails · Boris Ostrovsky <boris.ostrovsky@oracle.com> · 2021-10-05
[PATCH v2 4/9] proc/vmcore: let pfn_is_ram() return a bool · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 6/9] virtio-mem: factor out hotplug specifics from virtio_mem_init() into virtio_mem_init_hotplug() · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 7/9] virtio-mem: factor out hotplug specifics from virtio_mem_probe() into virtio_mem_init_hotplug() · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 8/9] virtio-mem: factor out hotplug specifics from virtio_mem_remove() into virtio_mem_deinit_hotplug() · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 5/9] proc/vmcore: convert oldmem_pfn_is_ram callback to more generic vmcore callbacks · David Hildenbrand <hidden> · 2021-10-05
[PATCH v2 9/9] virtio-mem: kdump mode to sanitize /proc/vmcore access · David Hildenbrand <hidden> · 2021-10-05

From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: 2021-10-05 19:31:06
Also in: kexec, linux-fsdevel, lkml, virtualization, xen-devel

On 10/5/21 8:14 AM, David Hildenbrand wrote:

HVMOP_get_mem_type is not expected to fail, "This call failing is
indication of something going quite wrong and it would be good to know
about this." [1]

Let's add a pr_warn_once().

[1] https://lkml.kernel.org/r/3b935aa0-6d85-0bcd-100e-15098add3c4c@oracle.com

Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Hildenbrand <redacted>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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