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From: Muhammad Usama Anjum <usama.anjum@arm.com>
To: Jani Nikula <jani.nikula@linux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>,
	Tvrtko Ursulin <tursulin@ursulin.net>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>, Juergen Gross <jgross@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Muchun Song <muchun.song@linux.dev>,
	Oscar Salvador <osalvador@suse.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Liam R. Howlett" <liam@infradead.org>,
	Lorenzo Stoakes <ljs@kernel.org>, Will Deacon <will@kernel.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
	Nick Piggin <npiggin@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrey Ryabinin <ryabinin.a.a@gmail.com>,
	David Hildenbrand <david@kernel.org>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	Chris Li <chrisl@kernel.org>, Kairui Song <kasong@tencent.com>,
	Uladzislau Rezki <urezki@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Eduard Zingerman <eddyz87@gmail.com>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>, SJ Park <sj@kernel.org>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	Jan Kara <jack@suse.cz>, Jason Gunthorpe <jgg@ziepe.ca>,
	Leon Romanovsky <leon@kernel.org>,
	Miaohe Lin <linmiaohe@huawei.com>,
	Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
	Christoph Lameter <cl@gentwo.org>,
	Mike Rapoport <rppt@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	ziy@nvidia.com, pfalcato@suse.de, agordeev@linux.ibm.com,
	ryan.roberts@arm.com
Cc: Muhammad Usama Anjum <usama.anjum@arm.com>,
	linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, linux-parisc@vger.kernel.org,
	xen-devel@lists.xenproject.org, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org,
	kasan-dev@googlegroups.com, linux-trace-kernel@vger.kernel.org,
	bpf@vger.kernel.org, linux-perf-users@vger.kernel.org,
	damon@lists.linux.dev
Subject: [PATCH RFC 08/11] drm/i915: use hw_pte_t for PTE range callbacks
Date: Mon, 27 Jul 2026 17:46:59 +0100	[thread overview]
Message-ID: <20260727164715.2866609-9-usama.anjum@arm.com> (raw)
In-Reply-To: <20260727164715.2866609-1-usama.anjum@arm.com>

apply_to_page_range() now passes PTE table storage to its callback as
hw_pte_t *. Update the i915 remap and selftest callbacks to match the new
type.

Continue to use ptep_get() for logical values and set_pte_at() for updates.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@arm.com>
---
 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 4 ++--
 drivers/gpu/drm/i915/i915_mm.c                     | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index d01acfb7d93d0..056faf4a3618b 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -1690,7 +1690,7 @@ static int igt_mmap_gpu(void *arg)
 	return 0;
 }
 
-static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
+static int check_present_pte(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	pte_t ptent = ptep_get(pte);
 
@@ -1703,7 +1703,7 @@ static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
 	return 0;
 }
 
-static int check_absent_pte(pte_t *pte, unsigned long addr, void *data)
+static int check_absent_pte(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	pte_t ptent = ptep_get(pte);
 
diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c
index fd89e7c7d8d6f..aab88e8edf946 100644
--- a/drivers/gpu/drm/i915/i915_mm.c
+++ b/drivers/gpu/drm/i915/i915_mm.c
@@ -48,7 +48,7 @@ static inline unsigned long sgt_pfn(const struct remap_pfn *r)
 		return r->sgt.pfn + (r->sgt.curr >> PAGE_SHIFT);
 }
 
-static int remap_sg(pte_t *pte, unsigned long addr, void *data)
+static int remap_sg(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	struct remap_pfn *r = data;
 
@@ -70,7 +70,7 @@ static int remap_sg(pte_t *pte, unsigned long addr, void *data)
 #define EXPECTED_FLAGS (VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP)
 
 #if IS_ENABLED(CONFIG_X86)
-static int remap_pfn(pte_t *pte, unsigned long addr, void *data)
+static int remap_pfn(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	struct remap_pfn *r = data;
 
-- 
2.47.3


  parent reply	other threads:[~2026-07-27 16:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-27 16:46 [PATCH RFC 00/11] mm: distinguish PTE table storage from PTE values Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 01/11] mm: introduce hw_pte_t for PTE table storage Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 02/11] mm: make hw_pte_t visible to generic PTE interfaces Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 03/11] mm: name pointers to copied PTE values ptentp Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 05/11] mm: convert PTE table entries in ptep_get() Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 06/11] mm/kasan: use hw_pte_t for the early shadow PTE table Muhammad Usama Anjum
2026-07-27 16:46 ` [PATCH RFC 07/11] mm/mremap: use ptep_get() for the destination PTE Muhammad Usama Anjum
2026-07-27 16:46 ` Muhammad Usama Anjum [this message]
2026-07-27 16:47 ` [PATCH RFC 09/11] misc/sgi-gru: use ptep_get() for page-table reads Muhammad Usama Anjum
2026-07-27 16:47 ` [PATCH RFC 10/11] parisc: use hw_pte_t for the data-break callback Muhammad Usama Anjum
2026-07-27 16:47 ` [PATCH RFC 11/11] xen: use hw_pte_t for PTE range callbacks Muhammad Usama Anjum
2026-07-28 19:26 ` [PATCH RFC 00/11] mm: distinguish PTE table storage from PTE values David Hildenbrand (Arm)

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