linux-kernel - Re: linux-next: build failure after merge of the mm tree

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Date:   Wed, 19 Jul 2023 15:55:16 +1000
From:   Alistair Popple <apopple@...dia.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the mm tree


Thanks Stephen.

Looks like a conflict with 9c47011d3302 ("arm64: support
batched/deferred tlb shootdown during page reclamation/migration") which
restructured that code slightly. I have to respin my series anyway so
will rebase on mm-unstable rather than v6.5-rc2.

 - Alistair

Stephen Rothwell <sfr@...b.auug.org.au> writes:

> [[PGP Signed Part:Undecided]]
> Hi all,
>
> After merging the mm tree, today's linux-next build (arm64 defconfig)
> failed like this:
>
> In file included from arch/arm64/include/asm/pgtable.h:15,
>                  from include/linux/pgtable.h:6,
>                  from arch/arm64/include/asm/io.h:12,
>                  from include/linux/io.h:13,
>                  from include/acpi/acpi_io.h:5,
>                  from include/linux/acpi.h:37,
>                  from include/acpi/apei.h:9,
>                  from include/acpi/ghes.h:5,
>                  from include/linux/arm_sdei.h:8,
>                  from arch/arm64/kernel/asm-offsets.c:10:
> arch/arm64/include/asm/tlbflush.h: In function '__flush_tlb_page_nosync':
> arch/arm64/include/asm/tlbflush.h:268:53: error: 'vma' undeclared (first use in this function); did you mean 'cma'?
>   268 |         mmu_notifier_arch_invalidate_secondary_tlbs(vma->vm_mm, uaddr & PAGE_MASK,
>       |                                                     ^~~
>       |                                                     cma
>
> Caused by commit
>
>   8c2be11e06f4 ("mmu_notifiers: call arch_invalidate_secondary_tlbs() when invalidating TLBs")
>
> I have reverted that commit (and the following clear
> one and the two
> earlier ones - otherwise it would not buildfrom) for today.