linux-kernel - [PATCH v4 07/11] s390/mm/gmap: Remove gmap

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Message-ID: <20241022120601.167009-8-imbrenda@linux.ibm.com>
Date: Tue, 22 Oct 2024 14:05:57 +0200
From: Claudio Imbrenda <imbrenda@...ux.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: borntraeger@...ibm.com, nsg@...ux.ibm.com, nrb@...ux.ibm.com,
        frankja@...ux.ibm.com, seiden@...ux.ibm.com, hca@...ux.ibm.com,
        agordeev@...ux.ibm.com, gor@...ux.ibm.com,
        gerald.schaefer@...ux.ibm.com, kvm@...r.kernel.org,
        linux-s390@...r.kernel.org, david@...hat.com
Subject: [PATCH v4 07/11] s390/mm/gmap: Remove gmap_{en,dis}able()

Remove gmap_enable(), gmap_disable(), and gmap_get_enabled() since they do
not have any users anymore.

Suggested-by: Heiko Carstens <hca@...ux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>
Reviewed-by: Heiko Carstens <hca@...ux.ibm.com>
---
 arch/s390/include/asm/gmap.h |  3 ---
 arch/s390/mm/gmap.c          | 31 -------------------------------
 2 files changed, 34 deletions(-)

diff --git a/arch/s390/include/asm/gmap.h b/arch/s390/include/asm/gmap.h
index 9725586f4259..64761c78f774 100644
--- a/arch/s390/include/asm/gmap.h
+++ b/arch/s390/include/asm/gmap.h
@@ -107,9 +107,6 @@ void gmap_remove(struct gmap *gmap);
 struct gmap *gmap_get(struct gmap *gmap);
 void gmap_put(struct gmap *gmap);
 
-void gmap_enable(struct gmap *gmap);
-void gmap_disable(struct gmap *gmap);
-struct gmap *gmap_get_enabled(void);
 int gmap_map_segment(struct gmap *gmap, unsigned long from,
 		     unsigned long to, unsigned long len);
 int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len);
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index a8746f71c679..329682655af2 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -281,37 +281,6 @@ void gmap_remove(struct gmap *gmap)
 }
 EXPORT_SYMBOL_GPL(gmap_remove);
 
-/**
- * gmap_enable - switch primary space to the guest address space
- * @gmap: pointer to the guest address space structure
- */
-void gmap_enable(struct gmap *gmap)
-{
-	get_lowcore()->gmap = (unsigned long)gmap;
-}
-EXPORT_SYMBOL_GPL(gmap_enable);
-
-/**
- * gmap_disable - switch back to the standard primary address space
- * @gmap: pointer to the guest address space structure
- */
-void gmap_disable(struct gmap *gmap)
-{
-	get_lowcore()->gmap = 0UL;
-}
-EXPORT_SYMBOL_GPL(gmap_disable);
-
-/**
- * gmap_get_enabled - get a pointer to the currently enabled gmap
- *
- * Returns a pointer to the currently enabled gmap. 0 if none is enabled.
- */
-struct gmap *gmap_get_enabled(void)
-{
-	return (struct gmap *)get_lowcore()->gmap;
-}
-EXPORT_SYMBOL_GPL(gmap_get_enabled);
-
 /*
  * gmap_alloc_table is assumed to be called with mmap_lock held
  */
-- 
2.47.0