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Message-Id: <20220518101342.b1b17ab43331f31df33780ae@linux-foundation.org>
Date: Wed, 18 May 2022 10:13:42 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Catalin Marinas <catalin.marinas@....com>
Cc: Tong Tiangen <tongtiangen@...wei.com>,
Will Deacon <will@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Palmer Dabbelt <palmerdabbelt@...gle.com>,
Albert Ou <aou@...s.berkeley.edu>,
Arnd Bergmann <arnd@...db.de>,
linux-arm-kernel@...ts.infradead.org,
linux-riscv@...ts.infradead.org, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, wangkefeng.wang@...wei.com,
Guohanjun <guohanjun@...wei.com>,
Xie XiuQi <xiexiuqi@...wei.com>, linux-mm@...ck.org
Subject: Re: [PATCH -next 2/2] arm64/mm: fix page table check compile error
for CONFIG_PGTABLE_LEVELS=2
On Wed, 18 May 2022 17:28:38 +0100 Catalin Marinas <catalin.marinas@....com> wrote:
> On Tue, May 17, 2022 at 07:45:48AM +0000, Tong Tiangen wrote:
> > If CONFIG_PGTABLE_LEVELS=2 and CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y,
> > then we trigger a compile error:
> >
> > error: implicit declaration of function 'pte_user_accessible_page'
> >
> > Move the definition of page table check helper out of branch
> > CONFIG_PGTABLE_LEVELS > 2
> >
> > Fixes: daf214c14dbe ("arm64/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK")
> > Signed-off-by: Tong Tiangen <tongtiangen@...wei.com>
>
> I'd drop the fixes tag here since the patch is queued in the mm tree and
> AFAIK that one doesn't have stable git commit ids.
MM tree is at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Commit ID's are stable if a commit is in the mm-hotfixes-stable,
mm-stable or mm-nonmm-stable branch.
Commit ID's are unstable if a commit is still in the
mm-hotfixes-unstable, mm-unstable or mm-unnonmm-stable.
I move patches from -unstable to -stable after they're considered ready
for it. The delay is very variable, depends on how things are coming
along with that patch(set).
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