Commit fcca2e31 authored by David Vrabel's avatar David Vrabel

x86/xen: rename early_p2m_alloc() and early_p2m_alloc_middle()

early_p2m_alloc_middle() allocates a new leaf page and
early_p2m_alloc() allocates a new middle page.  This is confusing.

Swap the names so they match what the functions actually do.
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
Reviewed-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent bc5eb201
......@@ -596,7 +596,7 @@ static bool alloc_p2m(unsigned long pfn)
return true;
}
static bool __init early_alloc_p2m_middle(unsigned long pfn, bool check_boundary)
static bool __init early_alloc_p2m(unsigned long pfn, bool check_boundary)
{
unsigned topidx, mididx, idx;
unsigned long *p2m;
......@@ -638,7 +638,7 @@ static bool __init early_alloc_p2m_middle(unsigned long pfn, bool check_boundary
return true;
}
static bool __init early_alloc_p2m(unsigned long pfn)
static bool __init early_alloc_p2m_middle(unsigned long pfn)
{
unsigned topidx = p2m_top_index(pfn);
unsigned long *mid_mfn_p;
......@@ -663,7 +663,7 @@ static bool __init early_alloc_p2m(unsigned long pfn)
p2m_top_mfn_p[topidx] = mid_mfn_p;
p2m_top_mfn[topidx] = virt_to_mfn(mid_mfn_p);
/* Note: we don't set mid_mfn_p[midix] here,
* look in early_alloc_p2m_middle */
* look in early_alloc_p2m() */
}
return true;
}
......@@ -739,7 +739,7 @@ bool __init early_can_reuse_p2m_middle(unsigned long set_pfn, unsigned long set_
/* This shouldn't happen */
if (WARN_ON(p2m_top[topidx] == p2m_mid_missing))
early_alloc_p2m(set_pfn);
early_alloc_p2m_middle(set_pfn);
if (WARN_ON(p2m_top[topidx][mididx] != p2m_missing))
return false;
......@@ -754,13 +754,13 @@ bool __init early_can_reuse_p2m_middle(unsigned long set_pfn, unsigned long set_
bool __init early_set_phys_to_machine(unsigned long pfn, unsigned long mfn)
{
if (unlikely(!__set_phys_to_machine(pfn, mfn))) {
if (!early_alloc_p2m(pfn))
if (!early_alloc_p2m_middle(pfn))
return false;
if (early_can_reuse_p2m_middle(pfn, mfn))
return __set_phys_to_machine(pfn, mfn);
if (!early_alloc_p2m_middle(pfn, false /* boundary crossover OK!*/))
if (!early_alloc_p2m(pfn, false /* boundary crossover OK!*/))
return false;
if (!__set_phys_to_machine(pfn, mfn))
......
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