Commit c27e0026 authored by Claudio Imbrenda's avatar Claudio Imbrenda
Browse files

KVM: s390: remove useless page->index usage 



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

Stop setting the field for all region tables.

Reviewed-by: default avatarJanosch Frank <frankja@linux.ibm.com>
Reviewed-by: default avatarChristoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20250123144627.312456-14-imbrenda@linux.ibm.com


Signed-off-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Message-ID: <20250123144627.312456-14-imbrenda@linux.ibm.com>
parent 43656f77

arch/s390/mm/gmap.c

+0 −9
Original line number Diff line number Diff line
@@ -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);