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KVM: s390: remove useless page->index usage

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The page->index field for VSIE dat tables is only used for segment
tables.

Stop setting the field for all region tables.

Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20250123144627.312456-14-imbrenda@linux.ibm.com
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-ID: <20250123144627.312456-14-imbrenda@linux.ibm.com>
This commit is contained in:
Claudio Imbrenda 2025-01-23 15:46:25 +01:00
parent 43656f774a
commit c27e002626
1 changed files with 0 additions and 9 deletions
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9
arch/s390/mm/gmap.c
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@ -1520,9 +1520,6 @@ int gmap_shadow_r2t(struct gmap *sg, unsigned long saddr, unsigned long r2t,
page = gmap_alloc_crst();
if (!page)
return -ENOMEM;
page->index = r2t & _REGION_ENTRY_ORIGIN;
if (fake)
page->index |= GMAP_SHADOW_FAKE_TABLE;
s_r2t = page_to_phys(page);
/* Install shadow region second table */
spin_lock(&sg->guest_table_lock);
@ -1603,9 +1600,6 @@ int gmap_shadow_r3t(struct gmap *sg, unsigned long saddr, unsigned long r3t,
page = gmap_alloc_crst();
if (!page)
return -ENOMEM;
page->index = r3t & _REGION_ENTRY_ORIGIN;
if (fake)
page->index |= GMAP_SHADOW_FAKE_TABLE;
s_r3t = page_to_phys(page);
/* Install shadow region second table */
spin_lock(&sg->guest_table_lock);
@ -1686,9 +1680,6 @@ int gmap_shadow_sgt(struct gmap *sg, unsigned long saddr, unsigned long sgt,
page = gmap_alloc_crst();
if (!page)
return -ENOMEM;
page->index = sgt & _REGION_ENTRY_ORIGIN;
if (fake)
page->index |= GMAP_SHADOW_FAKE_TABLE;
s_sgt = page_to_phys(page);
/* Install shadow region second table */
spin_lock(&sg->guest_table_lock);