linux-kernel - Re: [PATCH 0/3] Use C inlines for uaccess

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Date:   Wed, 27 Nov 2019 13:46:17 -0500
From:   Pavel Tatashin <pasha.tatashin@...een.com>
To:     Pavel Tatashin <pasha.tatashin@...een.com>,
        James Morris <jmorris@...ei.org>,
        Sasha Levin <sashal@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, steve.capper@....com,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Marc Zyngier <marc.zyngier@....com>,
        James Morse <james.morse@....com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        allison@...utok.net, info@...ux.net, alexios.zavras@...el.com,
        Stefano Stabellini <sstabellini@...nel.org>,
        boris.ostrovsky@...cle.com, jgross@...e.com,
        Stefan Agner <stefan@...er.ch>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        xen-devel@...ts.xenproject.org,
        Russell King - ARM Linux admin <linux@...linux.org.uk>
Subject: Re: [PATCH 0/3] Use C inlines for uaccess

Sorry, forgot to set the subject prefix correctly. It should be: [PATCH v3 0/3].

On Wed, Nov 27, 2019 at 1:44 PM Pavel Tatashin
<pasha.tatashin@...een.com> wrote:
>
> Changelog
> v3:
>         - Added Acked-by from Stefano Stabellini
>         - Addressed comments from Mark Rutland
> v2:
>         - Addressed Russell King's concern by not adding
>           uaccess_* to ARM.
>         - Removed the accidental change to xtensa
>
> Convert the remaining uaccess_* calls from ASM macros to C inlines.
>
> These patches apply against linux-next. I boot tested ARM64, and
> compile tested ARM change
> Pavel Tatashin (3):
>   arm/arm64/xen: use C inlines for privcmd_call
>   arm64: remove uaccess_ttbr0 asm macros from cache functions
>   arm64: remove the rest of asm-uaccess.h
>
>  arch/arm/include/asm/assembler.h       |  2 +-
>  arch/arm/include/asm/xen/hypercall.h   | 10 +++++
>  arch/arm/xen/enlighten.c               |  2 +-
>  arch/arm/xen/hypercall.S               |  4 +-
>  arch/arm64/include/asm/asm-uaccess.h   | 61 --------------------------
>  arch/arm64/include/asm/cacheflush.h    | 39 ++++++++++++++--
>  arch/arm64/include/asm/xen/hypercall.h | 28 ++++++++++++
>  arch/arm64/kernel/entry.S              | 27 +++++++++++-
>  arch/arm64/lib/clear_user.S            |  2 +-
>  arch/arm64/lib/copy_from_user.S        |  2 +-
>  arch/arm64/lib/copy_in_user.S          |  2 +-
>  arch/arm64/lib/copy_to_user.S          |  2 +-
>  arch/arm64/mm/cache.S                  | 42 ++++++------------
>  arch/arm64/mm/flush.c                  |  2 +-
>  arch/arm64/xen/hypercall.S             | 19 +-------
>  include/xen/arm/hypercall.h            | 12 ++---
>  16 files changed, 130 insertions(+), 126 deletions(-)
>  delete mode 100644 arch/arm64/include/asm/asm-uaccess.h
>
> --
> 2.24.0
>