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From: Arnd Bergmann <arnd@arndb.de>
To: Mike Rapoport <rppt@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Christopher Lameter <cl@linux.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Idan Yaniv <idan.yaniv@ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	James Bottomley <jejb@linux.ibm.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Matthew Wilcox <willy@infradead.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux  FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	linux-nvdimm@lists.01.org,
	linux-riscv <linux-riscv@lists.infradead.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	linaro-mm-sig@lists.linaro.org,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt@kernel.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd
_______________________________________________
Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org
To unsubscribe send an email to linux-nvdimm-leave@lists.01.org

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Mike Rapoport <rppt@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, 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>, Idan Yaniv <idan.yaniv@ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	James Bottomley <jejb@linux.ibm.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Matthew Wilcox <willy@infradead.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	linux-nvdimm@lists.01.org,
	linux-riscv <linux-riscv@lists.infradead.org>,
	"the arch/x86 maintainers" <x86@kernel.org>,
	linaro-mm-sig@lists.linaro.org,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt@kernel.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Mike Rapoport <rppt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Alexander Viro
	<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Andy Lutomirski <luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Christopher Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
	Dan Williams
	<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Dave Hansen <dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	Elena Reshetova
	<elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Idan Yaniv <idan.yaniv-qyM6JfAXOaQ@public.gmane.org>,
	Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	James Bottomley <jejb-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>,
	"Kirill A. Shutemov"
	<kirill-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>,
	Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Mike Rapoport <rppt-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>,
	Palmer Dabbelt <palmer-96lFi9zoCfxBDgjK7y7TUQ@public.gmane.org>,
	Paul Walmsley
	<paul.walmsley-SpMDHPYPyPbQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>
> From: Mike Rapoport <rppt-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Mike Rapoport <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Linux-MM <linux-mm@kvack.org>, "H. Peter Anvin" <hpa@zytor.com>,
	Christopher Lameter <cl@linux.com>,
	Idan Yaniv <idan.yaniv@ibm.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Elena Reshetova <elena.reshetova@intel.com>,
	linux-arch <linux-arch@vger.kernel.org>,
	Tycho Andersen <tycho@tycho.ws>,
	linux-nvdimm@lists.01.org, Will Deacon <will@kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	James Bottomley <jejb@linux.ibm.com>,
	linaro-mm-sig@lists.linaro.org, Borislav Petkov <bp@alien8.de>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andy Lutomirski <luto@kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux API <linux-api@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt@kernel.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Mike Rapoport <rppt@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>,
	 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>,
	Idan Yaniv <idan.yaniv@ibm.com>, Ingo Molnar <mingo@redhat.com>,
	 James Bottomley <jejb@linux.ibm.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	 Matthew Wilcox <willy@infradead.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	 Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	 Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	 linux-arch <linux-arch@vger.kernel.org>,
	 Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	 linux-nvdimm@lists.01.org,
	linux-riscv <linux-riscv@lists.infradead.org>,
	 "the arch/x86 maintainers" <x86@kernel.org>,
	linaro-mm-sig@lists.linaro.org,
	 Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt@kernel.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd


WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Mike Rapoport <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Linux-MM <linux-mm@kvack.org>, "H. Peter Anvin" <hpa@zytor.com>,
	Christopher Lameter <cl@linux.com>,
	Idan Yaniv <idan.yaniv@ibm.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Elena Reshetova <elena.reshetova@intel.com>,
	linux-arch <linux-arch@vger.kernel.org>,
	Tycho Andersen <tycho@tycho.ws>,
	linux-nvdimm@lists.01.org, Will Deacon <will@kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	James Bottomley <jejb@linux.ibm.com>,
	linaro-mm-sig@lists.linaro.org, Borislav Petkov <bp@alien8.de>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andy Lutomirski <luto@kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux API <linux-api@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas
Date: Mon, 20 Jul 2020 13:30:13 +0200	[thread overview]
Message-ID: <CAK8P3a0NyvRMqH7X0YNO5E6DGtvZXD5ZcD6Y6n7AkocufkMnHA@mail.gmail.com> (raw)
In-Reply-To: <20200720092435.17469-4-rppt@kernel.org>

On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Introduce "secretmemfd" system call with the ability to create memory areas
> visible only in the context of the owning process and not mapped not only
> to other processes but in the kernel page tables as well.
>
> The user will create a file descriptor using the secretmemfd system call
> where flags supplied as a parameter to this system call will define the
> desired protection mode for the memory associated with that file
> descriptor. Currently there are two protection modes:
>
> * exclusive - the memory area is unmapped from the kernel direct map and it
>               is present only in the page tables of the owning mm.
> * uncached  - the memory area is present only in the page tables of the
>               owning mm and it is mapped there as uncached.
>
> For instance, the following example will create an uncached mapping (error
> handling is omitted):
>
>         fd = secretmemfd(SECRETMEM_UNCACHED);
>         ftruncate(fd, MAP_SIZE);
>         ptr = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
>                    fd, 0);
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

I wonder if this should be more closely related to dmabuf file
descriptors, which
are already used for a similar purpose: sharing access to secret memory areas
that are not visible to the OS but can be shared with hardware through device
drivers that can import a dmabuf file descriptor.

      Arnd

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2020-07-20 11:30 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20  9:24 [PATCH 0/6] mm: introduce secretmemfd system call to create "secret" memory areas Mike Rapoport
2020-07-20  9:24 ` Mike Rapoport
2020-07-20  9:24 ` Mike Rapoport
2020-07-20  9:24 ` Mike Rapoport
2020-07-20  9:24 ` Mike Rapoport
2020-07-20  9:24 ` [PATCH 1/6] mm: add definition of PMD_PAGE_ORDER Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24 ` [PATCH 2/6] mmap: make mlock_future_check() global Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24 ` [PATCH 3/6] mm: introduce secretmemfd system call to create "secret" memory areas Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20 11:30   ` Arnd Bergmann [this message]
2020-07-20 11:30     ` Arnd Bergmann
2020-07-20 11:30     ` Arnd Bergmann
2020-07-20 11:30     ` Arnd Bergmann
2020-07-20 11:30     ` Arnd Bergmann
2020-07-20 11:30     ` Arnd Bergmann
2020-07-20 14:20     ` Mike Rapoport
2020-07-20 14:20       ` Mike Rapoport
2020-07-20 14:20       ` Mike Rapoport
2020-07-20 14:20       ` Mike Rapoport
2020-07-20 14:20       ` Mike Rapoport
2020-07-20 14:34       ` Arnd Bergmann
2020-07-20 14:34         ` Arnd Bergmann
2020-07-20 14:34         ` Arnd Bergmann
2020-07-20 14:34         ` Arnd Bergmann
2020-07-20 14:34         ` Arnd Bergmann
2020-07-20 14:34         ` Arnd Bergmann
2020-07-20 17:46         ` Mike Rapoport
2020-07-20 17:46           ` Mike Rapoport
2020-07-20 17:46           ` Mike Rapoport
2020-07-20 17:46           ` Mike Rapoport
2020-07-20 17:46           ` Mike Rapoport
2020-07-20 15:51     ` James Bottomley
2020-07-20 15:51       ` James Bottomley
2020-07-20 15:51       ` James Bottomley
2020-07-20 15:51       ` James Bottomley
2020-07-20 15:51       ` James Bottomley
2020-07-20 18:08       ` Arnd Bergmann
2020-07-20 18:08         ` Arnd Bergmann
2020-07-20 18:08         ` Arnd Bergmann
2020-07-20 18:08         ` Arnd Bergmann
2020-07-20 18:08         ` Arnd Bergmann
2020-07-20 18:08         ` Arnd Bergmann
2020-07-20 19:16         ` James Bottomley
2020-07-20 19:16           ` James Bottomley
2020-07-20 19:16           ` James Bottomley
2020-07-20 19:16           ` James Bottomley
2020-07-20 19:16           ` James Bottomley
2020-07-20 20:05           ` Arnd Bergmann
2020-07-20 20:05             ` Arnd Bergmann
2020-07-20 20:05             ` Arnd Bergmann
2020-07-20 20:05             ` Arnd Bergmann
2020-07-20 20:05             ` Arnd Bergmann
2020-07-20 20:05             ` Arnd Bergmann
2020-07-21 10:59   ` Michael Kerrisk (man-pages)
2020-07-21 10:59     ` Michael Kerrisk (man-pages)
2020-07-21 10:59     ` Michael Kerrisk (man-pages)
2020-07-21 10:59     ` Michael Kerrisk (man-pages)
2020-07-21 10:59     ` Michael Kerrisk (man-pages)
2020-07-21 10:59     ` Michael Kerrisk (man-pages)
2020-07-20  9:24 ` [PATCH 4/6] arch, mm: wire up secretmemfd system call were relevant Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-26 17:44   ` Palmer Dabbelt
2020-07-26 17:44     ` Palmer Dabbelt
2020-07-26 17:44     ` Palmer Dabbelt
2020-07-26 17:44     ` Palmer Dabbelt
2020-07-26 17:44     ` Palmer Dabbelt
2020-07-20  9:24 ` [PATCH 5/6] mm: secretmem: use PMD-size pages to amortize direct map fragmentation Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24 ` [PATCH 6/6] mm: secretmem: add ability to reserve memory at boot Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport
2020-07-20  9:24   ` Mike Rapoport

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