From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Muhammad Usama Anjum <usama.anjum@arm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>
Cc: 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>,
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, ryan.roberts@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: Re: [PATCH RFC 00/11] mm: distinguish PTE table storage from PTE values
Date: Wed, 29 Jul 2026 13:52:39 +0200 [thread overview]
Message-ID: <78a0402d-5436-4aab-a704-90fab56eec50@kernel.org> (raw)
In-Reply-To: <46319967-0338-4532-b953-dbea77084fe3@arm.com>
On 7/29/26 13:33, Muhammad Usama Anjum wrote:
> On 29/07/2026 12:05 pm, David Hildenbrand (Arm) wrote:
>> On 7/29/26 12:13, Alexander Gordeev wrote:
>>> ...
>>>
>>> May be we need the generic hw_pte_t implementation as { pte_t pte; }
>>> right away?
>>
>> Indeed, that makes sense. We just need a way for the architecture to opt-in that
>> it did the conversion.
> Yeah and architecture cannot opt-in until its converted. So we should leave
> it to architecture to define hw_pte_t.
In the context of this series, we should have something like an
CONFIG_ARCH_HAS_XXX and select the definition based on that.
So we'd have a generic variant.
--
Cheers,
David
next prev parent reply other threads:[~2026-07-29 14:22 UTC|newest]
Thread overview: 25+ 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 ` [PATCH RFC 08/11] drm/i915: use hw_pte_t for PTE range callbacks Muhammad Usama Anjum
2026-07-27 16:47 ` [PATCH RFC 09/11] misc/sgi-gru: use ptep_get() for page-table reads Muhammad Usama Anjum
2026-07-29 12:36 ` Pedro Falcato
2026-07-29 12:42 ` David Hildenbrand (Arm)
2026-07-29 17:03 ` 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)
2026-07-29 10:13 ` Alexander Gordeev
2026-07-29 11:05 ` David Hildenbrand (Arm)
2026-07-29 11:33 ` Muhammad Usama Anjum
2026-07-29 11:52 ` David Hildenbrand (Arm) [this message]
2026-07-29 12:21 ` Muhammad Usama Anjum
2026-07-29 12:28 ` David Hildenbrand (Arm)
2026-07-29 11:44 ` Alexander Gordeev
2026-07-29 11:51 ` David Hildenbrand (Arm)
2026-07-29 11:18 ` Muhammad Usama Anjum
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=78a0402d-5436-4aab-a704-90fab56eec50@kernel.org \
--to=david@kernel.org \
--cc=James.Bottomley@hansenpartnership.com \
--cc=acme@kernel.org \
--cc=agordeev@linux.ibm.com \
--cc=airlied@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=andrii@kernel.org \
--cc=aneesh.kumar@kernel.org \
--cc=arnd@arndb.de \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=chrisl@kernel.org \
--cc=cl@gentwo.org \
--cc=damon@lists.linux.dev \
--cc=daniel@iogearbox.net \
--cc=deller@gmx.de \
--cc=dennis@kernel.org \
--cc=dimitri.sivanich@hpe.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=eddyz87@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=hannes@cmpxchg.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jack@suse.cz \
--cc=jani.nikula@linux.intel.com \
--cc=jgg@ziepe.ca \
--cc=jgross@suse.com \
--cc=joonas.lahtinen@linux.intel.com \
--cc=kasan-dev@googlegroups.com \
--cc=kasong@tencent.com \
--cc=leon@kernel.org \
--cc=liam@infradead.org \
--cc=linmiaohe@huawei.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=ljs@kernel.org \
--cc=memxor@gmail.com \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=muchun.song@linux.dev \
--cc=namhyung@kernel.org \
--cc=npiggin@gmail.com \
--cc=osalvador@suse.de \
--cc=pasha.tatashin@soleen.com \
--cc=peterz@infradead.org \
--cc=pfalcato@suse.de \
--cc=rodrigo.vivi@intel.com \
--cc=rostedt@goodmis.org \
--cc=rppt@kernel.org \
--cc=ryabinin.a.a@gmail.com \
--cc=ryan.roberts@arm.com \
--cc=simona@ffwll.ch \
--cc=sj@kernel.org \
--cc=sstabellini@kernel.org \
--cc=tj@kernel.org \
--cc=tursulin@ursulin.net \
--cc=urezki@gmail.com \
--cc=usama.anjum@arm.com \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=xen-devel@lists.xenproject.org \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox