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From: john.hubbard@gmail.com
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Christoph Hellwig" <hch@infradead.org>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Dave Chinner" <david@fromorbit.com>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"Ira Weiny" <ira.weiny@intel.com>, "Jan Kara" <jack@suse.cz>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	amd-gfx@lists.freedesktop.org, ceph-devel@vger.kernel.org,
	devel@driverdev.osuosl.org, devel@lists.orangefs.org,
	dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
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	netdev@vger.kernel.org, rds-devel@oss.oracle.com,
	sparclinux@vger.kernel.org, x86@kernel.org,
	xen-devel@lists.xenproject.org,
	"John Hubbard" <jhubbard@nvidia.com>,
	"Joerg Roedel" <joro@8bytes.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H . Peter Anvin" <hpa@zytor.com>
Subject: [PATCH v2 04/34] x86/kvm: convert put_page() to put_user_page*()
Date: Sun,  4 Aug 2019 15:48:45 -0700
Message-ID: <20190804224915.28669-5-jhubbard@nvidia.com> (raw)
In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com>

From: John Hubbard <jhubbard@nvidia.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Joerg Roedel <joro@8bytes.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 arch/x86/kvm/svm.c  | 4 ++--
 virt/kvm/kvm_main.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 7eafc6907861..ff93c923ed36 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1827,7 +1827,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
 
 err:
 	if (npinned > 0)
-		release_pages(pages, npinned);
+		put_user_pages(pages, npinned);
 
 	kvfree(pages);
 	return NULL;
@@ -1838,7 +1838,7 @@ static void sev_unpin_memory(struct kvm *kvm, struct page **pages,
 {
 	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
 
-	release_pages(pages, npages);
+	put_user_pages(pages, npages);
 	kvfree(pages);
 	sev->pages_locked -= npages;
 }
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 887f3b0c2b60..4b6a596ea8e9 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1499,7 +1499,7 @@ static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault,
 
 		if (__get_user_pages_fast(addr, 1, 1, &wpage) == 1) {
 			*writable = true;
-			put_page(page);
+			put_user_page(page);
 			page = wpage;
 		}
 	}
@@ -1831,7 +1831,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean);
 void kvm_release_pfn_clean(kvm_pfn_t pfn)
 {
 	if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))
-		put_page(pfn_to_page(pfn));
+		put_user_page(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
 
-- 
2.22.0


  parent reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-04 22:48 [PATCH v2 00/34] put_user_pages(): miscellaneous call sites john.hubbard
2019-08-04 22:48 ` [PATCH v2 01/34] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() john.hubbard
2019-08-06 17:39   ` Ira Weiny
2019-08-06 20:39     ` John Hubbard
2019-08-04 22:48 ` [PATCH v2 02/34] net/rds: convert put_page() to put_user_page*() john.hubbard
2019-08-04 22:48 ` [PATCH v2 03/34] net/ceph: " john.hubbard
2019-08-04 22:48 ` john.hubbard [this message]
2019-08-04 22:48 ` [PATCH v2 05/34] drm/etnaviv: convert release_pages() to put_user_pages() john.hubbard
2019-08-04 22:48 ` [PATCH v2 06/34] drm/i915: convert put_page() to put_user_page*() john.hubbard
2019-08-05 16:53   ` Rodrigo Vivi
2019-08-04 22:48 ` [PATCH v2 07/34] drm/radeon: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 08/34] media/ivtv: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 09/34] media/v4l2-core/mm: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 10/34] genwqe: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 11/34] scif: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 12/34] vmci: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 13/34] rapidio: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 14/34] oradax: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 15/34] staging/vc04_services: " john.hubbard
2019-08-13  5:23   ` Stefan Wahren
2019-08-04 22:48 ` [PATCH v2 16/34] drivers/tee: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 17/34] vfio: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 18/34] fbdev/pvr2fb: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 19/34] fsl_hypervisor: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 20/34] xen: " john.hubbard
2019-08-05  4:15   ` Juergen Gross
2019-08-04 22:49 ` [PATCH v2 21/34] fs/exec.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 22/34] orangefs: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 23/34] uprobes: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 24/34] futex: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 25/34] mm/frame_vector.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 26/34] mm/gup_benchmark.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 27/34] mm/memory.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 28/34] mm/madvise.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 29/34] mm/process_vm_access.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 30/34] crypt: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 31/34] fs/nfs: " john.hubbard
2019-08-05  0:26   ` Calum Mackay
2019-08-04 22:49 ` [PATCH v2 32/34] goldfish_pipe: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 33/34] kernel/events/core.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 34/34] fs/binfmt_elf: " john.hubbard

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