linux-kernel - Re: [PATCH 4/6] arch, mm: wire up secretmemfd system call were relevant

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Date:   Sun, 26 Jul 2020 10:44:48 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     rppt@...nel.org
CC:     linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
        akpm@...ux-foundation.org, luto@...nel.org,
        Arnd Bergmann <arnd@...db.de>, bp@...en8.de,
        catalin.marinas@....com, cl@...ux.com, dan.j.williams@...el.com,
        dave.hansen@...ux.intel.com, elena.reshetova@...el.com,
        hpa@...or.com, idan.yaniv@....com, mingo@...hat.com,
        jejb@...ux.ibm.com, kirill@...temov.name, willy@...radead.org,
        rppt@...ux.ibm.com, rppt@...nel.org,
        Paul Walmsley <paul.walmsley@...ive.com>, peterz@...radead.org,
        tglx@...utronix.de, tycho@...ho.ws, will@...nel.org,
        linux-api@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-nvdimm@...ts.01.org, linux-riscv@...ts.infradead.org,
        x86@...nel.org
Subject:     Re: [PATCH 4/6] arch, mm: wire up secretmemfd system call were relevant

On Mon, 20 Jul 2020 02:24:33 PDT (-0700), rppt@...nel.org wrote:
> From: Mike Rapoport <rppt@...ux.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@...ux.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@...gle.com>