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Date:   Tue, 15 Jun 2021 11:21:40 +0100
From:   Will Deacon <will@kernel.org>
To:     Dmitry Safonov <dima@arista.com>
Cc:     linux-kernel@vger.kernel.org,
        Dmitry Safonov <0x7f454c46@gmail.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andy Lutomirski <luto@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Guo Ren <guoren@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Ingo Molnar <mingo@redhat.com>,
        Oleg Nesterov <oleg@redhat.com>,
        Russell King <linux@armlinux.org.uk>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>, x86@kernel.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 04/23] arm64: Use in_compat_task() in
 arch_setup_additional_pages()
Message-ID: <20210615102140.GA20225@willie-the-truck>
References: <20210611180242.711399-1-dima@arista.com>
 <20210611180242.711399-5-dima@arista.com>
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On Fri, Jun 11, 2021 at 07:02:23PM +0100, Dmitry Safonov wrote:
> Instead of providing compat_arch_setup_additional_pages(), check if the
> task is compatible from personality, which is set earlier in
> load_elf_binary(). That will align code with powerpc and sparc, also
> it'll allow to completely remove compat_arch_setyp_addtional_pages()
> macro after doing the same for x86, simiplifying the binfmt code
> in the end and leaving elf loader single function.
> 
> Cc: linux-arm-kernel@lists.infradead.org
> Signed-off-by: Dmitry Safonov <dima@arista.com>
> ---
>  arch/arm64/include/asm/elf.h |  5 -----
>  arch/arm64/kernel/vdso.c     | 21 ++++++++++-----------
>  2 files changed, 10 insertions(+), 16 deletions(-)

Acked-by: Will Deacon <will@kernel.org>

Will