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s390x: remember the maximum page size

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Let's remember the value (successfully) set via s390_set_max_pagesize().
This will be helpful to reject hotplugged memory devices that would exceed
this initially set page size.

Handle it just like how we handle s390_get_memory_limit(), storing it in
the machine, and moving the handling to machine code.

Message-ID: <20241219144115.2820241-13-david@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2024-12-19 15:41:13 +01:00
parent a056332e73
commit df2ac211a6
4 changed files with 12 additions and 9 deletions
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1
include/hw/s390x/s390-virtio-ccw.h
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@ -30,6 +30,7 @@ struct S390CcwMachineState {
bool pv;
uint8_t loadparm[8];
uint64_t memory_limit;
uint64_t max_pagesize;
SCLPDevice *sclp;
};