From: Mike Rapoport <rppt@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Christopher Lameter <cl@linux.com>,
Dan Williams <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Elena Reshetova <elena.reshetova@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Hagen Paul Pfeifer <hagen@jauu.net>,
Ingo Molnar <mingo@redhat.com>,
James Bottomley <jejb@linux.ibm.com>,
Kees Cook <keescook@chromium.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Matthew Wilcox <willy@infradead.org>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Mark Rutland <mark.rutland@arm.com>,
Michal Hocko <mhocko@suse.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Palmer Dabbelt <palmerdabbelt@google.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Peter Zijlstra <peterz@infradead.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Roman Gushchin <guro@fb.com>, Shakeel Butt <shakeelb@google.com>,
Shuah Khan <shuah@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
Yury Norov <yury.norov@gmail.com>,
linux-api@vger.kernel.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
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x86@kernel.org
Subject: Re: [PATCH v19 3/8] set_memory: allow set_direct_map_*_noflush() for multiple pages
Date: Sun, 16 May 2021 10:13:19 +0300 [thread overview]
Message-ID: <YKDGD0k990bBCEGG@kernel.org> (raw)
In-Reply-To: <858e5561-bc7d-4ce1-5cb8-3c333199d52a@redhat.com>
On Fri, May 14, 2021 at 10:43:29AM +0200, David Hildenbrand wrote:
> On 13.05.21 20:47, Mike Rapoport wrote:
> > From: Mike Rapoport <rppt@linux.ibm.com>
> >
> > The underlying implementations of set_direct_map_invalid_noflush() and
> > set_direct_map_default_noflush() allow updating multiple contiguous pages
> > at once.
> >
> > Add numpages parameter to set_direct_map_*_noflush() to expose this
> > ability with these APIs.
>
> AFAIKs, your patch #5 right now only calls it with 1 page, do we need this
> change at all? Feels like a leftover from older versions to me where we
> could have had more than a single page.
Right, will drop it.
--
Sincerely yours,
Mike.
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next prev parent reply other threads:[~2021-05-16 7:15 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-13 18:47 [PATCH v19 0/8] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport
2021-05-13 18:47 ` [PATCH v19 1/8] mmap: make mlock_future_check() global Mike Rapoport
2021-05-14 8:27 ` David Hildenbrand
2021-05-13 18:47 ` [PATCH v19 2/8] riscv/Kconfig: make direct map manipulation options depend on MMU Mike Rapoport
2021-05-14 8:28 ` David Hildenbrand
2021-05-13 18:47 ` [PATCH v19 3/8] set_memory: allow set_direct_map_*_noflush() for multiple pages Mike Rapoport
2021-05-14 8:43 ` David Hildenbrand
2021-05-16 7:13 ` Mike Rapoport [this message]
2021-05-13 18:47 ` [PATCH v19 4/8] set_memory: allow querying whether set_direct_map_*() is actually enabled Mike Rapoport
2021-05-13 18:47 ` [PATCH v19 5/8] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport
2021-05-14 8:50 ` David Hildenbrand
2021-05-17 7:23 ` Mike Rapoport
2021-05-14 9:25 ` David Hildenbrand
2021-05-16 7:29 ` Mike Rapoport
2021-05-18 9:59 ` Michal Hocko
2021-05-18 10:06 ` David Hildenbrand
2021-05-18 10:31 ` Michal Hocko
2021-05-18 10:35 ` David Hildenbrand
2021-05-18 11:08 ` Michal Hocko
2021-05-19 7:13 ` Mike Rapoport
2021-05-13 18:47 ` [PATCH v19 6/8] PM: hibernate: disable when there are active secretmem users Mike Rapoport
2021-05-14 9:27 ` David Hildenbrand
2021-05-18 10:24 ` Mark Rutland
2021-05-18 10:27 ` David Hildenbrand
2021-05-19 1:32 ` James Bottomley
2021-05-19 1:49 ` Dan Williams
2021-05-19 3:50 ` James Bottomley
2021-05-13 18:47 ` [PATCH v19 7/8] arch, mm: wire up memfd_secret system call where relevant Mike Rapoport
2021-05-14 9:27 ` David Hildenbrand
2021-05-13 18:47 ` [PATCH v19 8/8] secretmem: test: add basic selftest for memfd_secret(2) Mike Rapoport
2021-05-14 9:40 ` David Hildenbrand
2021-05-13 19:08 ` [PATCH v19 0/8] mm: introduce memfd_secret system call to create "secret" memory areas James Bottomley
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