linux-kernel - Re: [PATCH v5 0/6] Fix some bugs related to ramp and dax

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Date:   Thu, 31 Mar 2022 15:36:04 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Qian Cai <quic_qiancai@...cinc.com>
Cc:     Muchun Song <songmuchun@...edance.com>, <dan.j.williams@...el.com>,
        <willy@...radead.org>, <jack@...e.cz>, <viro@...iv.linux.org.uk>,
        <apopple@...dia.com>, <shy828301@...il.com>,
        <rcampbell@...dia.com>, <hughd@...gle.com>,
        <xiyuyang19@...an.edu.cn>, <kirill.shutemov@...ux.intel.com>,
        <zwisler@...nel.org>, <hch@...radead.org>,
        <linux-fsdevel@...r.kernel.org>, <nvdimm@...ts.linux.dev>,
        <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <duanxiongchun@...edance.com>, <smuchun@...il.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v5 0/6] Fix some bugs related to ramp and dax

On Thu, 31 Mar 2022 11:55:47 -0400 Qian Cai <quic_qiancai@...cinc.com> wrote:

> On Fri, Mar 18, 2022 at 03:45:23PM +0800, Muchun Song wrote:
> > This series is based on next-20220225.
> > 
> > Patch 1-2 fix a cache flush bug, because subsequent patches depend on
> > those on those changes, there are placed in this series.  Patch 3-4
> > are preparation for fixing a dax bug in patch 5.  Patch 6 is code cleanup
> > since the previous patch remove the usage of follow_invalidate_pte().
> 
> Reverting this series fixed boot crashes.
> 

Thanks.  I'll drop

mm-rmap-fix-cache-flush-on-thp-pages.patch
dax-fix-cache-flush-on-pmd-mapped-pages.patch
mm-rmap-introduce-pfn_mkclean_range-to-cleans-ptes.patch
mm-rmap-introduce-pfn_mkclean_range-to-cleans-ptes-fix.patch
mm-pvmw-add-support-for-walking-devmap-pages.patch
dax-fix-missing-writeprotect-the-pte-entry.patch
dax-fix-missing-writeprotect-the-pte-entry-v6.patch
mm-simplify-follow_invalidate_pte.patch