From: Greg KH <gregkh@linuxfoundation.org>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Jing Xiangfeng <jingxiangfeng@huawei.com>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
catalin.marinas@arm.com, will@kernel.org,
akpm@linux-foundation.org, guohanjun@huawei.com,
sudeep.holla@arm.com, song.bao.hua@hisilicon.com,
ardb@kernel.org, anshuman.khandual@arm.com,
stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Li Huafei <lihuafei1@huawei.com>
Subject: Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA
Date: Fri, 25 Jun 2021 12:19:52 +0200 [thread overview]
Message-ID: <YNWtyJaDY17829g9@kroah.com> (raw)
In-Reply-To: <f692a6e5-9e07-8b96-b7d3-213e6e3d071b@huawei.com>
On Wed, Jun 23, 2021 at 04:01:10PM +0800, Kefeng Wang wrote:
>
>
> On 2021/6/23 15:34, Greg KH wrote:
> > On Wed, Jun 23, 2021 at 03:25:10PM +0800, Kefeng Wang wrote:
> > >
> > >
> > > On 2021/6/23 15:12, Greg KH wrote:
> > > > On Wed, Jun 23, 2021 at 02:59:59PM +0800, Kefeng Wang wrote:
> > > > > Hi Greg,
> > > > >
> > > > > There are two more patches about the ZONE_DMA[32] changes,
> > > >
> > > > What ZONE_DMA changes?
> > >
> > > See the subject, [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide
> > > ZONE_DMA, We asked the ARM64 ZONE_DMA change backport before, link[1]
>
> Let's inline the link:
> https://lore.kernel.org/lkml/20210303073319.2215839-1-jingxiangfeng@huawei.com/
>
> The following 7 patches(we asked from link) has merged into lts5.10(tag:
> v5.10.22)
>
> 4d7ed9a49b0c mm: Remove examples from enum zone_type comment
> 8eaef922e938 arm64: mm: Set ZONE_DMA size based on early IORT scan
> 35ec3d09ff6a arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges
> a9861e7fa4f8 of: unittest: Add test for of_dma_get_max_cpu_address()
> 18bf6e998d08 of/address: Introduce of_dma_get_max_cpu_address()
> 3fbe62ffbb54 arm64: mm: Move zone_dma_bits initialization into
> zone_sizes_init()
> 407b173adfac arm64: mm: Move reserve_crashkernel() into mem_init()
>
> but the patch "arm64: mm: Move reserve_crashkernel() into mem_init()"
> has some issue, see the following discussion from Catalin,
>
> https://lore.kernel.org/linux-devicetree/e60d643e-4879-3fc3-737d-2c145332a6d7@arm.com/
> https://lore.kernel.org/linux-arm-kernel/20201119175556.18681-1-catalin.marinas@arm.com/
>
> and yes, we met crash in lts5.10 when kexec boot due to "arm64: mm: Move
> reserve_crashkernel() into mem_init()" too, which could be fixed by
> commit 2687275a5843 "arm64: Force NO_BLOCK_MAPPINGS if crashkernel
> reservation is required", and the commit 791ab8b2e3db "arm64: Ignore any DMA
> offsets in the max_zone_phys() calculation" also about DMA set,
> So I only asked the two patches(both in v5.11) related ARM64 ZONE_DMA
> changes backported into lts5.10.
Thanks, all now queued up.
greg k-h
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-25 10:53 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-03 7:33 [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA Jing Xiangfeng
2021-03-03 7:33 ` [PATCH stable v5.10 1/7] arm64: mm: Move reserve_crashkernel() into mem_init() Jing Xiangfeng
2021-03-07 15:25 ` Patch "arm64: mm: Move reserve_crashkernel() into mem_init()" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 2/7] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init() Jing Xiangfeng
2021-03-07 15:25 ` Patch "arm64: mm: Move zone_dma_bits initialization into zone_sizes_init()" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 3/7] of/address: Introduce of_dma_get_max_cpu_address() Jing Xiangfeng
2021-03-07 15:25 ` Patch "of/address: Introduce of_dma_get_max_cpu_address()" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 4/7] of: unittest: Add test for of_dma_get_max_cpu_address() Jing Xiangfeng
2021-03-07 15:25 ` Patch "of: unittest: Add test for of_dma_get_max_cpu_address()" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 5/7] arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges Jing Xiangfeng
2021-03-07 15:25 ` Patch "arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 6/7] arm64: mm: Set ZONE_DMA size based on early IORT scan Jing Xiangfeng
2021-03-07 15:25 ` Patch "arm64: mm: Set ZONE_DMA size based on early IORT scan" has been added to the 5.10-stable tree gregkh
2021-03-03 7:33 ` [PATCH stable v5.10 7/7] mm: Remove examples from enum zone_type comment Jing Xiangfeng
2021-03-07 15:25 ` Patch "mm: Remove examples from enum zone_type comment" has been added to the 5.10-stable tree gregkh
2021-03-04 13:46 ` [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA Greg KH
2021-03-04 14:05 ` Nicolas Saenz Julienne
2021-03-04 14:17 ` Greg KH
2021-03-04 15:09 ` Nicolas Saenz Julienne
2021-03-07 15:24 ` Greg KH
2021-03-08 3:20 ` Jing Xiangfeng
2021-03-08 9:58 ` Greg KH
2021-05-11 12:35 ` Kefeng Wang
2021-05-12 12:06 ` Greg KH
2021-06-23 6:59 ` Kefeng Wang
2021-06-23 7:12 ` Greg KH
2021-06-23 7:25 ` Kefeng Wang
2021-06-23 7:34 ` Greg KH
2021-06-23 8:01 ` Kefeng Wang
2021-06-25 10:19 ` Greg KH [this message]
2021-06-26 1:19 ` Kefeng Wang
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=YNWtyJaDY17829g9@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=akpm@linux-foundation.org \
--cc=anshuman.khandual@arm.com \
--cc=ardb@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=guohanjun@huawei.com \
--cc=jingxiangfeng@huawei.com \
--cc=lihuafei1@huawei.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=nsaenzjulienne@suse.de \
--cc=song.bao.hua@hisilicon.com \
--cc=stable@vger.kernel.org \
--cc=sudeep.holla@arm.com \
--cc=wangkefeng.wang@huawei.com \
--cc=will@kernel.org \
/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).