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From: Palmer Dabbelt <palmer@dabbelt.com>
To: rppt@kernel.org
Cc: peterz@infradead.org, catalin.marinas@arm.com,
	dave.hansen@linux.intel.com, linux-mm@kvack.org, hpa@zytor.com,
	cl@linux.com, idan.yaniv@ibm.com, dan.j.williams@intel.com,
	elena.reshetova@intel.com, linux-arch@vger.kernel.org,
	tycho@tycho.ws, linux-nvdimm@lists.01.org, will@kernel.org,
	x86@kernel.org, willy@infradead.org, rppt@linux.ibm.com,
	mingo@redhat.com, Arnd Bergmann <arnd@arndb.de>,
	jejb@linux.ibm.com, bp@alien8.de, viro@zeniv.linux.org.uk,
	luto@kernel.org, Paul Walmsley <paul.walmsley@sifive.com>,
	kirill@shutemov.name, tglx@linutronix.de,
	linux-arm-kernel@lists.infradead.org, linux-api@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org,
	rppt@kernel.org
Subject: Re: [PATCH 4/6] arch, mm: wire up secretmemfd system call were relevant
Date: Sun, 26 Jul 2020 10:44:48 -0700 (PDT)
Message-ID: <mhng-ffb01b1d-16c2-4998-8434-99f1cae575bd@palmerdabbelt-glaptop1> (raw)
In-Reply-To: <20200720092435.17469-5-rppt@kernel.org>

On Mon, 20 Jul 2020 02:24:33 PDT (-0700), rppt@kernel.org wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Wire up secretmemfd system call on architectures that define
> ARCH_HAS_SET_DIRECT_MAP, namely arm64, risc-v and x86.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> ---
>  arch/arm64/include/asm/unistd32.h      | 2 ++
>  arch/arm64/include/uapi/asm/unistd.h   | 1 +
>  arch/riscv/include/asm/unistd.h        | 1 +
>  arch/x86/entry/syscalls/syscall_32.tbl | 1 +
>  arch/x86/entry/syscalls/syscall_64.tbl | 1 +
>  include/linux/syscalls.h               | 1 +
>  include/uapi/asm-generic/unistd.h      | 7 ++++++-
>  7 files changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/unistd.h b/arch/riscv/include/asm/unistd.h
> index 977ee6181dab..9e47d9aed5eb 100644
> --- a/arch/riscv/include/asm/unistd.h
> +++ b/arch/riscv/include/asm/unistd.h
> @@ -9,6 +9,7 @@
>   */
>
>  #define __ARCH_WANT_SYS_CLONE
> +#define __ARCH_WANT_SECRETMEMFD
>
>  #include <uapi/asm/unistd.h>

Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>

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Thread overview: 17+ 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 ` [PATCH 1/6] mm: add definition of PMD_PAGE_ORDER Mike Rapoport
2020-07-20  9:24 ` [PATCH 2/6] mmap: make mlock_future_check() global 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 11:30   ` Arnd Bergmann
2020-07-20 14:20     ` Mike Rapoport
2020-07-20 14:34       ` Arnd Bergmann
2020-07-20 17:46         ` Mike Rapoport
2020-07-20 15:51     ` James Bottomley
2020-07-20 18:08       ` Arnd Bergmann
2020-07-20 19:16         ` James Bottomley
2020-07-20 20:05           ` Arnd Bergmann
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
2020-07-26 17:44   ` Palmer Dabbelt [this message]
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 ` [PATCH 6/6] mm: secretmem: add ability to reserve memory at boot Mike Rapoport

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