From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 02A9741A519; Thu, 6 Aug 2026 08:40:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786005660; cv=none; b=dvbhz3QUas8u5sZ6uQUZ8qGZ/R4HLGirV2QcRPE9qIpm21iuttyx2PX61eIYhwWpfSf1/Cj1zWoV6lEUHs+XnYuiWzdkvCxOzDS7EFIo3eNYmoV0pV/fCVbG84U+7DVWZ+64lAqBWK5oNpWUDUllZFSWpRTfuFjQDdBUt+ZPUNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786005660; c=relaxed/simple; bh=Jt3lY9Rfe2qE4RAnGMFG9uUvIQ7Ln1RzFK0qs/6Pya4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pZXgdDy4dXbX0j7FZsJ3ms5QAA7rPBdH04XLhxekSrXj2fOwHjWQb5ur1sdRseGnRkYGVSVJOyMO08jlqHrGY+tbNLtqy6ePKS2IwTawaLid4qdaRNCbLP05XnnRi8o45UaK17co0ZLuPaWq5za9HEGpSdsz0f53SqDK/s68CGM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=luByc3jt; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="luByc3jt" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 31C0019F0; Thu, 6 Aug 2026 01:40:54 -0700 (PDT) Received: from e142334-100.cambridge.arm.com (e142334-100.cambridge.arm.com [10.2.198.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 712203F632; Thu, 6 Aug 2026 01:40:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786005658; bh=Jt3lY9Rfe2qE4RAnGMFG9uUvIQ7Ln1RzFK0qs/6Pya4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=luByc3jtbBV3gUID39iGf/O7Ordl38J04J9ScF6tTrQH2SAyJst4PI5/HEx/+oO2M tC4u2VpNMwnUKS+GMCR24TnNoqgA1Zh5W58AIkL2KnpnrIKANxQnj1eS3ryjCi4BDm nxuZnsP5XbydqmOlfXFKlJJcGS7jqx3QJB3bT6Ww= From: Muhammad Usama Anjum To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Dimitri Sivanich , Arnd Bergmann , Greg Kroah-Hartman , "James E.J. Bottomley" , Helge Deller , Juergen Gross , Stefano Stabellini , Muchun Song , Oscar Salvador , Andrew Morton , "Liam R. Howlett" , Lorenzo Stoakes , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Peter Zijlstra , Andrey Ryabinin , David Hildenbrand , Pasha Tatashin , Chris Li , Kairui Song , Uladzislau Rezki , Steven Rostedt , Masami Hiramatsu , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , SJ Park , "Matthew Wilcox (Oracle)" , Jan Kara , Jason Gunthorpe , Leon Romanovsky , Miaohe Lin , Dennis Zhou , Tejun Heo , Christoph Lameter , Mike Rapoport , Johannes Weiner , ziy@nvidia.com, pfalcato@suse.de, agordeev@linux.ibm.com, ryan.roberts@arm.com Cc: Muhammad Usama Anjum , 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 8/9] drm/i915: use hw_pte_t for PTE range callbacks Date: Thu, 6 Aug 2026 09:38:46 +0100 Message-ID: <20260806083926.1807279-9-usama.anjum@arm.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260806083926.1807279-1-usama.anjum@arm.com> References: <20260806083926.1807279-1-usama.anjum@arm.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. The type remains an alias of pte_t on x86 until that architecture opts in. Signed-off-by: Muhammad Usama Anjum --- Changes since RFC v1: - Clarify the effect on architectures that have not opted in. --- 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