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vfio/spapr: Rename local systempagesize variable

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The "systempagesize" name suggests that it is the host system page size
while it is the smallest page size of memory backing the guest RAM so
let's rename it to stop confusion. This should cause no behavioral change.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20190227085149.38596-4-aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Alexey Kardashevskiy 2019-02-27 19:51:46 +11:00 committed by David Gibson
parent 1610799876
commit 3cdd801b0b
1 changed files with 3 additions and 3 deletions
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6
hw/vfio/spapr.c
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@ -148,14 +148,14 @@ int vfio_spapr_create_window(VFIOContainer *container,
uint64_t pagesize = memory_region_iommu_get_min_page_size(iommu_mr);
unsigned entries, bits_total, bits_per_level, max_levels;
struct vfio_iommu_spapr_tce_create create = { .argsz = sizeof(create) };
long systempagesize = qemu_getrampagesize();
long rampagesize = qemu_getrampagesize();
/*
* The host might not support the guest supported IOMMU page size,
* so we will use smaller physical IOMMU pages to back them.
*/
if (pagesize > systempagesize) {
pagesize = systempagesize;
if (pagesize > rampagesize) {
pagesize = rampagesize;
}
pagesize = 1ULL << (63 - clz64(container->pgsizes &
(pagesize | (pagesize - 1))));