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[v1,11/13] KVM: s390: remove useless page->index usage

Message ID 20250108181451.74383-12-imbrenda@linux.ibm.com (mailing list archive)
State New
Headers show
Series KVM: s390: Stop using page->index and other things | expand

Commit Message

Claudio Imbrenda Jan. 8, 2025, 6:14 p.m. UTC 
The page->index field for VSIE dat tables is only used for segment
tables.

Stop setting the field for all region tables.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 arch/s390/mm/gmap.c | 9 ---------
 1 file changed, 9 deletions(-)
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Patch

diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 815bcb996ec4..3276437725b8 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -1507,9 +1507,6 @@  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);
@@ -1590,9 +1587,6 @@  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);
@@ -1673,9 +1667,6 @@  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);