linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, Zefan Li <lizefan@huawei.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Christoph Hellwig <hch@infradead.org>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Rick Edgecombe <rick.p.edgecombe@intel.com>,
	Ding Tianhong <dingtianhong@huawei.com>
Subject: Re: [PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered
Date: Sun, 24 Jan 2021 11:32:33 +0000	[thread overview]
Message-ID: <20210124113233.GB694255@infradead.org> (raw)
In-Reply-To: <20210124082230.2118861-3-npiggin@gmail.com>

On Sun, Jan 24, 2021 at 06:22:20PM +1000, Nicholas Piggin wrote:
> apply_to_pte_range might mistake a large pte for bad, or treat it as a
> page table, resulting in a crash or corruption. Add a test to warn and
> return error if large entries are found.

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>


  reply	other threads:[~2021-01-24 11:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-24  8:22 [PATCH v10 00/12] huge vmalloc mappings Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2021-01-24 11:31   ` Christoph Hellwig
2021-01-24  8:22 ` [PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin
2021-01-24 11:32   ` Christoph Hellwig [this message]
2021-01-24  8:22 ` [PATCH v10 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin
2021-01-24 11:34   ` Christoph Hellwig
2021-01-24  8:22 ` [PATCH v10 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin
2021-01-24 11:36   ` Christoph Hellwig
2021-01-24 12:04     ` Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup Nicholas Piggin
2021-01-24 11:40   ` Christoph Hellwig
2021-01-24 12:22     ` Nicholas Piggin
2021-01-25  8:19     ` Christophe Leroy
2021-01-25  8:40   ` Christophe Leroy
2021-01-24  8:22 ` [PATCH v10 06/12] powerpc: inline huge vmap supported functions Nicholas Piggin
2021-01-25  8:42   ` Christophe Leroy
2021-01-25 11:37     ` Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 07/12] arm64: " Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 08/12] x86: " Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c Nicholas Piggin
2021-01-24 14:49   ` Christoph Hellwig
2021-01-24  8:22 ` [PATCH v10 10/12] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin
2021-01-24 14:51   ` Christoph Hellwig
2021-01-24  8:22 ` [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin
2021-01-24 15:07   ` Christoph Hellwig
2021-01-24 18:06     ` Randy Dunlap
2021-01-24 23:17     ` Nicholas Piggin
2021-01-25  9:14   ` Christophe Leroy
2021-01-25 11:37     ` Nicholas Piggin
2021-01-25 12:13       ` Christophe Leroy
2021-01-25 12:24     ` David Laight
2021-01-26  9:50       ` Nicholas Piggin
2021-01-24  8:22 ` [PATCH v10 12/12] powerpc/64s/radix: Enable huge " Nicholas Piggin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210124113233.GB694255@infradead.org \
    --to=hch@infradead.org \
    --cc=Jonathan.Cameron@huawei.com \
    --cc=akpm@linux-foundation.org \
    --cc=christophe.leroy@csgroup.eu \
    --cc=dingtianhong@huawei.com \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=lizefan@huawei.com \
    --cc=npiggin@gmail.com \
    --cc=rick.p.edgecombe@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).