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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	David Hildenbrand <david@redhat.com>,
	linux-mm@kvack.org, linux-s390@vger.kernel.org
Subject: [PATCH 2/2] s390: Convert vsie code to use page->private
Date: Thu, 19 Dec 2024 16:22:50 +0000	[thread overview]
Message-ID: <20241219162252.1025317-3-willy@infradead.org> (raw)
In-Reply-To: <20241219162252.1025317-1-willy@infradead.org>

The vsie pages are not standard page tables, so do not convert them to
use ptdesc.  Howver, page->index is going away so use page->private to
store the address rather than page->index.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 arch/s390/kvm/vsie.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 150b9387860a..26cbd69eb06d 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -1393,9 +1393,9 @@ static struct vsie_page *get_vsie_page(struct kvm *kvm, unsigned long addr)
 			kvm->arch.vsie.next++;
 			kvm->arch.vsie.next %= nr_vcpus;
 		}
-		radix_tree_delete(&kvm->arch.vsie.addr_to_page, page->index >> 9);
+		radix_tree_delete(&kvm->arch.vsie.addr_to_page, page->private >> 9);
 	}
-	page->index = addr;
+	page->private = addr;
 	/* double use of the same address */
 	if (radix_tree_insert(&kvm->arch.vsie.addr_to_page, addr >> 9, page)) {
 		page_ref_dec(page);
@@ -1496,7 +1496,7 @@ void kvm_s390_vsie_destroy(struct kvm *kvm)
 		vsie_page = page_to_virt(page);
 		release_gmap_shadow(vsie_page);
 		/* free the radix tree entry */
-		radix_tree_delete(&kvm->arch.vsie.addr_to_page, page->index >> 9);
+		radix_tree_delete(&kvm->arch.vsie.addr_to_page, page->private >> 9);
 		__free_page(page);
 	}
 	kvm->arch.vsie.page_count = 0;
-- 
2.45.2


  parent reply	other threads:[~2024-12-19 16:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-19 16:22 [PATCH 0/2] s390: Remove uses of page->index Matthew Wilcox (Oracle)
2024-12-19 16:22 ` [PATCH 1/2] s390: Convert gmap code to use ptdesc Matthew Wilcox (Oracle)
2024-12-19 21:23   ` Matthew Wilcox
2024-12-20  9:22     ` David Hildenbrand
2024-12-19 16:22 ` Matthew Wilcox (Oracle) [this message]
2024-12-20  9:55   ` [PATCH 2/2] s390: Convert vsie code to use page->private David Hildenbrand
2024-12-20 11:40     ` Claudio Imbrenda
2024-12-19 16:33 ` [PATCH 0/2] s390: Remove uses of page->index David Hildenbrand
2024-12-19 16:52   ` Matthew Wilcox
2024-12-19 16:56     ` David Hildenbrand
2025-01-03 14:53 ` Claudio Imbrenda
2025-01-07 10:23   ` David Hildenbrand

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