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Date: Mon, 9 Nov 2020 11:41:59 +0100 (CET)
From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Mike Rapoport <rppt@kernel.org>
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Subject: Re: [PATCH v6 0/6] mm: introduce memfd_secret system call to create
 "secret" memory areas
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> On 11/04/2020 6:02 PM Mike Rapoport <rppt@kernel.org> wrote:
> 
> Yes, this will work. The processes that share the memfd_secret file
> descriptor will have access to the same memory pages, pretty much like
> with shared memory.

Perfect!

Acked-by: Hagen Paul Pfeifer <hagen@jauu.net>

Thank you for the effort Mike, if zeroize feature will also included it will
be great! The memset-all-pages after use is just overkill, a dedicated flag for
memfd_secret (or mmap) would be superior.

Hagen
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Date:   Mon, 9 Nov 2020 11:41:59 +0100 (CET)
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Subject: Re: [PATCH v6 0/6] mm: introduce memfd_secret system call to create
 "secret" memory areas
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> On 11/04/2020 6:02 PM Mike Rapoport <rppt@kernel.org> wrote:
> 
> Yes, this will work. The processes that share the memfd_secret file
> descriptor will have access to the same memory pages, pretty much like
> with shared memory.

Perfect!

Acked-by: Hagen Paul Pfeifer <hagen@jauu.net>

Thank you for the effort Mike, if zeroize feature will also included it will
be great! The memset-all-pages after use is just overkill, a dedicated flag for
memfd_secret (or mmap) would be superior.

Hagen

From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [PATCH v6 0/6] mm: introduce memfd_secret system call to create
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> On 11/04/2020 6:02 PM Mike Rapoport <rppt@kernel.org> wrote:
> 
> Yes, this will work. The processes that share the memfd_secret file
> descriptor will have access to the same memory pages, pretty much like
> with shared memory.

Perfect!

Acked-by: Hagen Paul Pfeifer <hagen@jauu.net>

Thank you for the effort Mike, if zeroize feature will also included it will
be great! The memset-all-pages after use is just overkill, a dedicated flag for
memfd_secret (or mmap) would be superior.

Hagen

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

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Date: Mon, 9 Nov 2020 11:41:59 +0100 (CET)
From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Mike Rapoport <rppt@kernel.org>
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Subject: Re: [PATCH v6 0/6] mm: introduce memfd_secret system call to create
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Cc: Mark Rutland <mark.rutland@arm.com>, David Hildenbrand <david@redhat.com>,
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> On 11/04/2020 6:02 PM Mike Rapoport <rppt@kernel.org> wrote:
> 
> Yes, this will work. The processes that share the memfd_secret file
> descriptor will have access to the same memory pages, pretty much like
> with shared memory.

Perfect!

Acked-by: Hagen Paul Pfeifer <hagen@jauu.net>

Thank you for the effort Mike, if zeroize feature will also included it will
be great! The memset-all-pages after use is just overkill, a dedicated flag for
memfd_secret (or mmap) would be superior.

Hagen

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