From: Andrew Morton <akpm@linux-foundation.org>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Matthew Wilcox <willy@infradead.org>,
Vlastimil Babka <vbabka@suse.cz>,
"Paul E . McKenney" <paulmck@kernel.org>,
Jann Horn <jannh@google.com>,
David Hildenbrand <david@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Muchun Song <muchun.song@linux.dev>,
Richard Henderson <richard.henderson@linaro.org>,
Matt Turner <mattst88@gmail.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>, Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>,
Arnd Bergmann <arnd@kernel.org>,
linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org,
linux-parisc@vger.kernel.org, linux-arch@vger.kernel.org,
Shuah Khan <shuah@kernel.org>,
Christian Brauner <brauner@kernel.org>,
linux-kselftest@vger.kernel.org,
Sidhartha Kumar <sidhartha.kumar@oracle.com>,
Jeff Xu <jeffxu@chromium.org>,
Christoph Hellwig <hch@infradead.org>,
linux-api@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>
Subject: Re: [PATCH v3 1/5] mm: pagewalk: add the ability to install PTEs
Date: Wed, 23 Oct 2024 16:04:05 -0700 [thread overview]
Message-ID: <20241023160405.33995c68f20c141325a8fadb@linux-foundation.org> (raw)
In-Reply-To: <9be732fd0e897453116b433fe2f468ef7795602e.1729699916.git.lorenzo.stoakes@oracle.com>
On Wed, 23 Oct 2024 17:24:38 +0100 Lorenzo Stoakes <lorenzo.stoakes@oracle.com> wrote:
>
> ...
>
> Existing mechanism for performing a walk which also installs page table
> entries if necessary are heavily duplicated throughout the kernel,
How complicated is it to migrate those to use this?
> ...
>
> We explicitly do not allow the existing page walk API to expose this
> feature as it is dangerous and intended for internal mm use only. Therefore
> we provide a new walk_page_range_mm() function exposed only to
> mm/internal.h.
>
Is this decision compatible with the above migrations?
next prev parent reply other threads:[~2024-10-23 23:04 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-23 16:24 [PATCH v3 0/5] implement lightweight guard pages Lorenzo Stoakes
2024-10-23 16:24 ` [PATCH v3 1/5] mm: pagewalk: add the ability to install PTEs Lorenzo Stoakes
2024-10-23 23:04 ` Andrew Morton [this message]
2024-10-24 7:34 ` Lorenzo Stoakes
2024-10-24 7:45 ` David Hildenbrand
2024-10-24 8:07 ` Lorenzo Stoakes
2024-10-25 19:08 ` David Hildenbrand
2024-10-26 7:42 ` Lorenzo Stoakes
2024-10-25 18:13 ` Vlastimil Babka
2024-10-25 21:58 ` Lorenzo Stoakes
2024-10-28 20:29 ` Jarkko Sakkinen
2024-10-28 21:49 ` Lorenzo Stoakes
2024-10-23 16:24 ` [PATCH v3 2/5] mm: add PTE_MARKER_GUARD PTE marker Lorenzo Stoakes
2024-10-28 20:34 ` Jarkko Sakkinen
2024-10-23 16:24 ` [PATCH v3 3/5] mm: madvise: implement lightweight guard page mechanism Lorenzo Stoakes
2024-10-23 23:12 ` Andrew Morton
2024-10-24 7:25 ` Lorenzo Stoakes
2024-10-26 0:11 ` Andrew Morton
2024-10-26 7:40 ` Lorenzo Stoakes
2024-10-25 17:12 ` Lorenzo Stoakes
2024-10-25 21:56 ` Vlastimil Babka
2024-10-25 22:35 ` Lorenzo Stoakes
2024-10-28 12:40 ` Lorenzo Stoakes
2024-10-25 21:44 ` Vlastimil Babka
2024-10-25 21:49 ` Lorenzo Stoakes
2024-10-28 20:45 ` Jarkko Sakkinen
2024-10-23 16:24 ` [PATCH v3 4/5] tools: testing: update tools UAPI header for mman-common.h Lorenzo Stoakes
2024-10-23 16:24 ` [PATCH v3 5/5] selftests/mm: add self tests for guard page feature Lorenzo Stoakes
2024-10-28 20:32 ` Jarkko Sakkinen
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