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 B7F0941BA9B; Thu, 6 Aug 2026 08:41:06 +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=1786005668; cv=none; b=s6IOrQfp0bHHV7+O3NuFnFjZ4wyDtf3rsqXt+Pu7R4jHRDL15YSxL1SNRZmrX+D6ma5gOozdg+B9PXiW7e6J4+TDBLJSB45iiJGLfux4CQMjpmMYrdXcqp85MJO67NxwgaTkkjDLe56EytCKhQeiUxD+vOe3+lSq94wc0sgv65U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786005668; c=relaxed/simple; bh=26js+M9zWrHNC4a3AjcYSrQ4VRwzJZBtm9+Mxf/tKbk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IgvOQT21fFH9b/0NizdFXz0g6cYQHnP6wYVGqoOG9JLBHoj2w+gBdUz6MzYPOZIL7Fg5U4LUAaUkovPz5H4ZGBmumGlA24J4f84LAOZ17p+O7TtsFdSNWG2RF/T17TrwzKKRUrNp+qt5ggYw7HgMysXbVpTsviZ0/VKuDVTqXHI= 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=TTBSkLer; 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="TTBSkLer" 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 3796C16F2; Thu, 6 Aug 2026 01:41:02 -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 7CABF3F632; Thu, 6 Aug 2026 01:40:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786005666; bh=26js+M9zWrHNC4a3AjcYSrQ4VRwzJZBtm9+Mxf/tKbk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TTBSkLercTTP8PzXx2W54PajQtmr3ocTbHrCDjoVYDyhLdl97U7CcPQ3qilKSBkf9 vIh9ep96aTHrl1x02wMw5yGa/VgSgdxL9PNbjwHpeKiFJfhkPl82/MnNvLvZO9B0+j c9NuO4Hhw/STBkgcZsI3sprKusZaJGcpuNEKybDo= 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 9/9] xen: use hw_pte_t for PTE range callbacks Date: Thu, 6 Aug 2026 09:38:47 +0100 Message-ID: <20260806083926.1807279-10-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-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Generic PTE range and remapping helpers now pass pointers to PTE table storage as hw_pte_t *. Update the Xen callbacks to match those interfaces. Keep logical PTE values as pte_t and continue to access them through the existing PTE helpers. This is required when Xen is built for an architecture that selects the distinct hw_pte_t wrapper. Signed-off-by: Muhammad Usama Anjum --- Changes since RFC v1: - Clarify why the callback conversion is required after architecture opt-in. --- drivers/xen/gntdev.c | 2 +- drivers/xen/privcmd.c | 2 +- drivers/xen/xenbus/xenbus_client.c | 2 +- drivers/xen/xlate_mmu.c | 4 ++-- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 1dcc4675580ed..b013bcad99b5b 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -301,7 +301,7 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map) /* ------------------------------------------------------------------ */ -static int find_grant_ptes(pte_t *pte, unsigned long addr, void *data) +static int find_grant_ptes(hw_pte_t *pte, unsigned long addr, void *data) { struct gntdev_grant_map *map = data; unsigned int pgnr = (addr - map->pages_vm_start) >> PAGE_SHIFT; diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 725a49a0eee72..b4a487dcc9ecb 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -1658,7 +1658,7 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma) * on a per pfn/pte basis. Mapping calls that fail with ENOENT * can be then retried until success. */ -static int is_mapped_fn(pte_t *pte, unsigned long addr, void *data) +static int is_mapped_fn(hw_pte_t *pte, unsigned long addr, void *data) { return pte_none(ptep_get(pte)) ? 0 : -EBUSY; } diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 27682cb5e58ab..387f97a555594 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -749,7 +749,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) EXPORT_SYMBOL_GPL(xenbus_unmap_ring_vfree); #ifdef CONFIG_XEN_PV -static int map_ring_apply(pte_t *pte, unsigned long addr, void *data) +static int map_ring_apply(hw_pte_t *pte, unsigned long addr, void *data) { struct map_ring_valloc *info = data; diff --git a/drivers/xen/xlate_mmu.c b/drivers/xen/xlate_mmu.c index 8efd7b55223fb..d7244f9f9a545 100644 --- a/drivers/xen/xlate_mmu.c +++ b/drivers/xen/xlate_mmu.c @@ -93,7 +93,7 @@ static void setup_hparams(unsigned long gfn, void *data) info->fgfn++; } -static int remap_pte_fn(pte_t *ptep, unsigned long addr, void *data) +static int remap_pte_fn(hw_pte_t *ptep, unsigned long addr, void *data) { struct remap_data *info = data; struct page *page = info->pages[info->index++]; @@ -269,7 +269,7 @@ struct remap_pfn { unsigned long i; }; -static int remap_pfn_fn(pte_t *ptep, unsigned long addr, void *data) +static int remap_pfn_fn(hw_pte_t *ptep, unsigned long addr, void *data) { struct remap_pfn *r = data; struct page *page = r->pages[r->i]; -- 2.47.3