[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH RFC 01/11] mm: introduce hw_pte_t for PTE table storage
- To: Anshuman Khandual <anshuman.khandual@xxxxxxx>, Muhammad Usama Anjum <usama.anjum@xxxxxxx>
- From: Jürgen Groß <jgross@xxxxxxxx>
- Date: Fri, 31 Jul 2026 08:53:46 +0200
- Authentication-results: eu.smtp.expurgate.cloud; dkim=pass header.s=google header.d=suse.com header.i="@suse.com" header.h="Content-Type:In-Reply-To:Autocrypt:From:Content-Language:References:Cc:To:Subject:User-Agent:MIME-Version:Date:Message-ID"
- Autocrypt: addr=jgross@xxxxxxxx; keydata= xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjrioyspZKOB ycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2kaV2KL9650I1SJve dYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i1TXkH09XSSI8mEQ/ouNcMvIJ NwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/BBLUVbDa4+gmzDC9ezlZkTZG2t14zWPvx XP3FAp2pkW0xqG7/377qptDmrk42GlSKN4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEB AAHNH0p1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmNvbT7CwHkEEwECACMFAlOMcK8CGwMH CwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAKCRCw3p3WKL8TL8eZB/9G0juS/kDY9LhEXseh mE9U+iA1VsLhgDqVbsOtZ/S14LRFHczNd/Lqkn7souCSoyWsBs3/wO+OjPvxf7m+Ef+sMtr0 G5lCWEWa9wa0IXx5HRPW/ScL+e4AVUbL7rurYMfwCzco+7TfjhMEOkC+va5gzi1KrErgNRHH kg3PhlnRY0Udyqx++UYkAsN4TQuEhNN32MvN0Np3WlBJOgKcuXpIElmMM5f1BBzJSKBkW0Jc Wy3h2Wy912vHKpPV/Xv7ZwVJ27v7KcuZcErtptDevAljxJtE7aJG6WiBzm+v9EswyWxwMCIO RoVBYuiocc51872tRGywc03xaQydB+9R7BHPzsBNBFOMcBYBCADLMfoA44MwGOB9YT1V4KCy vAfd7E0BTfaAurbG+Olacciz3yd09QOmejFZC6AnoykydyvTFLAWYcSCdISMr88COmmCbJzn sHAogjexXiif6ANUUlHpjxlHCCcELmZUzomNDnEOTxZFeWMTFF9Rf2k2F0Tl4E5kmsNGgtSa aMO0rNZoOEiD/7UfPP3dfh8JCQ1VtUUsQtT1sxos8Eb/HmriJhnaTZ7Hp3jtgTVkV0ybpgFg w6WMaRkrBh17mV0z2ajjmabB7SJxcouSkR0hcpNl4oM74d2/VqoW4BxxxOD1FcNCObCELfIS auZx+XT6s+CE7Qi/c44ibBMR7hyjdzWbABEBAAHCwF8EGAECAAkFAlOMcBYCGwwACgkQsN6d 1ii/Ey9D+Af/WFr3q+bg/8v5tCknCtn92d5lyYTBNt7xgWzDZX8G6/pngzKyWfedArllp0Pn fgIXtMNV+3t8Li1Tg843EXkP7+2+CQ98MB8XvvPLYAfW8nNDV85TyVgWlldNcgdv7nn1Sq8g HwB2BHdIAkYce3hEoDQXt/mKlgEGsLpzJcnLKimtPXQQy9TxUaLBe9PInPd+Ohix0XOlY+Uk QFEx50Ki3rSDl2Zt2tnkNYKUCvTJq7jvOlaPd6d/W0tZqpyy7KVay+K4aMobDsodB3dvEAs6 ScCnh03dDAFgIq5nsB11j3KPKdVoPlfucX2c7kGNH+LUMbzqV6beIENfNexkOfxHfw==
- Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Tvrtko Ursulin <tursulin@xxxxxxxxxxx>, David Airlie <airlied@xxxxxxxxx>, Simona Vetter <simona@xxxxxxxx>, Dimitri Sivanich <dimitri.sivanich@xxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Liam R. Howlett" <liam@xxxxxxxxxxxxx>, Lorenzo Stoakes <ljs@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxx>, Nick Piggin <npiggin@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>, Chris Li <chrisl@xxxxxxxxxx>, Kairui Song <kasong@xxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Eduard Zingerman <eddyz87@xxxxxxxxx>, Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, SJ Park <sj@xxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Leon Romanovsky <leon@xxxxxxxxxx>, Miaohe Lin <linmiaohe@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, ziy@xxxxxxxxxx, pfalcato@xxxxxxx, agordeev@xxxxxxxxxxxxx, ryan.roberts@xxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, damon@xxxxxxxxxxxxxxx
- Delivery-date: Fri, 31 Jul 2026 06:54:10 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 31.07.26 07:49, Anshuman Khandual wrote:
On Mon, Jul 27, 2026 at 05:46:52PM +0100, Muhammad Usama Anjum wrote:
pte_t is used both for logical PTE values and for entries stored in a PTE
table, so pte_t * does not distinguish a pointer to a copied value from a
pointer to table storage.
Should we rather call them as "Linux PTE" and "HW PTE" instead ?
What about "SW PTE"?
Juergen
Attachment:
OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key
Attachment:
OpenPGP_signature.asc
Description: OpenPGP digital signature
|