Re: [PATCH RESEND] hostmem: Don't report pmem attribute if unsupported

[Michal Privoznik <mprivozn@redhat.com>]

On 1/26/21 8:48 AM, Michal Privoznik wrote:
> When management applications (like Libvirt) want to check whether
> memory-backend-file.pmem is supported they can list object
> properties using 'qom-list-properties'. However, 'pmem' is
> declared always (and thus reported always) and only at runtime
> QEMU errors out if it was built without libpmem (and thus can not
> guarantee write persistence). This is suboptimal since we have
> ability to declare attributes at compile time.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1915216
> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> Tested-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
> ---
> 
> This is just a resend of a patch I've sent earlier with Reviewed-by and
> Tested-by added:
> 
> https://lists.nongnu.org/archive/html/qemu-devel/2021-01/msg04558.html
> 
>   backends/hostmem-file.c | 13 ++++---------
>   1 file changed, 4 insertions(+), 9 deletions(-)

Polite ping, please.

Michal