linux-kernel - Re: [PATCH v11 2/4] mm/tlbbatch: Rename and extend some functions

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Message-ID: <ZLrNRSry+Hhn2dxA@arm.com>
Date:   Fri, 21 Jul 2023 11:24:05 -0700
From:   Catalin Marinas <catalin.marinas@....com>
To:     Yicong Yang <yangyicong@...wei.com>
Cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
        mark.rutland@....com, ryan.roberts@....com, will@...nel.org,
        anshuman.khandual@....com, linux-doc@...r.kernel.org,
        corbet@....net, peterz@...radead.org, arnd@...db.de,
        punit.agrawal@...edance.com, linux-kernel@...r.kernel.org,
        darren@...amperecomputing.com, yangyicong@...ilicon.com,
        huzhanyuan@...o.com, lipeifeng@...o.com, zhangshiming@...o.com,
        guojian@...o.com, realmz6@...il.com, linux-mips@...r.kernel.org,
        openrisc@...ts.librecores.org, linuxppc-dev@...ts.ozlabs.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        Barry Song <21cnbao@...il.com>, wangkefeng.wang@...wei.com,
        xhao@...ux.alibaba.com, prime.zeng@...ilicon.com,
        Jonathan.Cameron@...wei.com, Barry Song <v-songbaohua@...o.com>,
        Nadav Amit <namit@...are.com>, Mel Gorman <mgorman@...e.de>
Subject: Re: [PATCH v11 2/4] mm/tlbbatch: Rename and extend some functions

On Mon, Jul 17, 2023 at 09:10:02PM +0800, Yicong Yang wrote:
> From: Barry Song <v-songbaohua@...o.com>
> 
> This patch does some preparation works to extend batched TLB flush to
> arm64. Including:
> - Extend set_tlb_ubc_flush_pending() and arch_tlbbatch_add_mm()
>   to accept an additional argument for address, architectures
>   like arm64 may need this for tlbi.
> - Rename arch_tlbbatch_add_mm() to arch_tlbbatch_add_pending()
>   to match its current function since we don't need to handle
>   mm on architectures like arm64 and add_mm is not proper,
>   add_pending will make sense to both as on x86 we're pending the
>   TLB flush operations while on arm64 we're pending the synchronize
>   operations.
> 
> This intends no functional changes on x86.
> 
> Cc: Anshuman Khandual <anshuman.khandual@....com>
> Cc: Jonathan Corbet <corbet@....net>
> Cc: Nadav Amit <namit@...are.com>
> Cc: Mel Gorman <mgorman@...e.de>
> Tested-by: Yicong Yang <yangyicong@...ilicon.com>
> Tested-by: Xin Hao <xhao@...ux.alibaba.com>
> Tested-by: Punit Agrawal <punit.agrawal@...edance.com>
> Signed-off-by: Barry Song <v-songbaohua@...o.com>
> Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
> Reviewed-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> Reviewed-by: Xin Hao <xhao@...ux.alibaba.com>
> Reviewed-by: Anshuman Khandual <anshuman.khandual@....com>

Reviewed-by: Catalin Marinas <catalin.marinas@....com>