linux-kernel - Re: [PATCH v7 11/70] arch/arm64: Remove the merge workaround for VMA

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Date:   Tue, 5 Apr 2022 14:12:11 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     Will Deacon <will@...nel.org>
CC:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v7 11/70] arch/arm64: Remove the merge workaround for
 VMA_ITERATOR

* Will Deacon <will@...nel.org> [220405 05:25]:
> Hi Liam,
> 
> On Mon, Apr 04, 2022 at 02:35:36PM +0000, Liam Howlett wrote:
> > Now that the vma iterator is in the kernel, remove the workaround.
> > 
> > Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> > ---
> >  arch/arm64/kernel/elfcore.c | 7 -------
> >  1 file changed, 7 deletions(-)
> > 
> > diff --git a/arch/arm64/kernel/elfcore.c b/arch/arm64/kernel/elfcore.c
> > index 3ed39c61a510..930a0bc4cac4 100644
> > --- a/arch/arm64/kernel/elfcore.c
> > +++ b/arch/arm64/kernel/elfcore.c
> > @@ -8,13 +8,6 @@
> >  #include <asm/cpufeature.h>
> >  #include <asm/mte.h>
> >  
> > -#ifndef VMA_ITERATOR
> > -#define VMA_ITERATOR(name, mm, addr)	\
> > -	struct mm_struct *name = mm
> > -#define for_each_vma(vmi, vma)		\
> > -	for (vma = vmi->mmap; vma; vma = vma->vm_next)
> > -#endif
> 
> I already have this revert queued up as an arm64 fix:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?h=for-next/fixes&id=a0ab7e5bc9651d65637f50ee9c09e083919677ed
> 
> Should land for -rc2.

Thanks Will.

Note that I'm asking Andrew to include the set into mmotm and not
directly into linux-next this time as requested by Andrew.

Thanks,
Liam