linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Catalin Marinas <catalin.marinas@arm.com>
To: chenzhou <chenzhou10@huawei.com>
Cc: wangkefeng.wang@huawei.com, linux-doc@vger.kernel.org,
	bhsharma@redhat.com, huawei.libin@huawei.com,
	guohanjun@huawei.com, will@kernel.org,
	Baoquan He <bhe@redhat.com>,
	corbet@lwn.net, rppt@linux.ibm.com, mingo@redhat.com,
	dyoung@redhat.com, John.P.donnelly@oracle.com, arnd@arndb.de,
	xiexiuqi@huawei.com, horms@verge.net.au, tglx@linutronix.de,
	linux-arm-kernel@lists.infradead.org, kexec@lists.infradead.org,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	james.morse@arm.com, prabhakar.pkin@gmail.com,
	nsaenzjulienne@suse.de
Subject: Re: [PATCH v12 3/9] x86: kdump: use macro CRASH_ADDR_LOW_MAX in functions reserve_crashkernel[_low]()
Date: Mon, 5 Oct 2020 18:20:58 +0100	[thread overview]
Message-ID: <20201005172057.GE14576@gaia> (raw)
In-Reply-To: <14e22d92-1601-fc1c-a1c8-e3936d63db42@huawei.com>

On Fri, Sep 18, 2020 at 05:06:37PM +0800, chenzhou wrote:
> On 2020/9/18 16:59, chenzhou wrote:
> > On 2020/9/18 15:25, Baoquan He wrote:
> >> On 09/07/20 at 09:47pm, Chen Zhou wrote:
> >>> To make the functions reserve_crashkernel[_low]() as generic,
> >>> replace some hard-coded numbers with macro CRASH_ADDR_LOW_MAX.
> >>>
> >>> Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
> >>> ---
> >>>  arch/x86/kernel/setup.c | 11 ++++++-----
> >>>  1 file changed, 6 insertions(+), 5 deletions(-)
> >>>
> >>> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
> >>> index d7fd90c52dae..71a6a6e7ca5b 100644
> >>> --- a/arch/x86/kernel/setup.c
> >>> +++ b/arch/x86/kernel/setup.c
> >>> @@ -430,7 +430,7 @@ static int __init reserve_crashkernel_low(void)
> >>>  	unsigned long total_low_mem;
> >>>  	int ret;
> >>>  
> >>> -	total_low_mem = memblock_mem_size(1UL << (32 - PAGE_SHIFT));
> >>> +	total_low_mem = memblock_mem_size(CRASH_ADDR_LOW_MAX >> PAGE_SHIFT);
> >> Just note that the replacement has been done in another patch from Mike
> >> Rapoport, partially. He seems to have done reserve_crashkernel_low()
> >> part, there's one left in reserve_crashkernel(), you might want to check
> >> that. 
> >>
> >> Mike's patch which is from a patchset has been merged into Andrew's next
> >> tree.
> >>
> >> commit 6e50f7672ffa362e9bd4bc0c0d2524ed872828c5
> >> Author: Mike Rapoport <rppt@linux.ibm.com>
> >> Date:   Wed Aug 26 15:22:32 2020 +1000
> >>
> >>     x86/setup: simplify reserve_crashkernel()
> As Baoquan said, some functions have been changed in the next tree,
> if i need to rebase on top of the next tree.

Please rebase at 5.10-rc1 when the x86 change will probably be in and
aim to queue this series for 5.11.

Thanks.

-- 
Catalin

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2020-10-05 17:22 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-07 13:47 [PATCH v12 0/9] support reserving crashkernel above 4G on arm64 kdump Chen Zhou
2020-09-07 13:47 ` [PATCH v12 1/9] x86: kdump: move CRASH_ALIGN to 2M Chen Zhou
2020-09-08  1:21   ` Dave Young
2020-09-08  3:19     ` chenzhou
2020-09-07 13:47 ` [PATCH v12 2/9] x86: kdump: make the lower bound of crash kernel reservation consistent Chen Zhou
2020-09-07 13:47 ` [PATCH v12 3/9] x86: kdump: use macro CRASH_ADDR_LOW_MAX in functions reserve_crashkernel[_low]() Chen Zhou
2020-09-18  3:01   ` Dave Young
2020-09-18  3:57     ` chenzhou
2020-09-18  5:26       ` Dave Young
2020-09-18  7:25   ` Baoquan He
2020-09-18  8:59     ` chenzhou
2020-09-18  9:06       ` chenzhou
2020-10-05 17:20         ` Catalin Marinas [this message]
2020-09-07 13:47 ` [PATCH v12 4/9] x86: kdump: move reserve_crashkernel[_low]() into crash_core.c Chen Zhou
2020-09-07 13:47 ` [PATCH v12 5/9] arm64: kdump: introduce some macroes for crash kernel reservation Chen Zhou
2020-09-07 13:47 ` [PATCH v12 6/9] arm64: kdump: reimplement crashkernel=X Chen Zhou
2020-10-05 17:16   ` Catalin Marinas
2020-10-06  1:30     ` chenzhou
2020-09-07 13:47 ` [PATCH v12 7/9] kdump: add threshold for the required memory Chen Zhou
2020-10-05 17:12   ` Catalin Marinas
2020-10-06  1:34     ` chenzhou
2020-09-07 13:47 ` [PATCH v12 8/9] arm64: kdump: add memory for devices by DT property linux, usable-memory-range Chen Zhou
2020-09-07 13:47 ` [PATCH v12 9/9] kdump: update Documentation about crashkernel Chen Zhou
2020-10-05 17:19   ` Catalin Marinas
2020-10-06  2:10     ` chenzhou
2020-10-07 16:24       ` Catalin Marinas
2020-09-12 11:44 ` [PATCH v12 0/9] support reserving crashkernel above 4G on arm64 kdump John Donnelly
2020-10-05 17:09   ` Catalin Marinas
2020-10-05 17:42     ` Bhupesh Sharma
2020-10-06  1:48       ` chenzhou
2020-10-06 18:00       ` Catalin Marinas
2020-10-07  7:07         ` Bhupesh Sharma
2020-10-07 16:33           ` Catalin Marinas
2020-10-19  2:43           ` chenzhou
2020-09-15  7:16 ` chenzhou
2020-09-23 17:47   ` John Donnelly

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=20201005172057.GE14576@gaia \
    --to=catalin.marinas@arm.com \
    --cc=John.P.donnelly@oracle.com \
    --cc=arnd@arndb.de \
    --cc=bhe@redhat.com \
    --cc=bhsharma@redhat.com \
    --cc=chenzhou10@huawei.com \
    --cc=corbet@lwn.net \
    --cc=dyoung@redhat.com \
    --cc=guohanjun@huawei.com \
    --cc=horms@verge.net.au \
    --cc=huawei.libin@huawei.com \
    --cc=james.morse@arm.com \
    --cc=kexec@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=nsaenzjulienne@suse.de \
    --cc=prabhakar.pkin@gmail.com \
    --cc=robh+dt@kernel.org \
    --cc=rppt@linux.ibm.com \
    --cc=tglx@linutronix.de \
    --cc=wangkefeng.wang@huawei.com \
    --cc=will@kernel.org \
    --cc=xiexiuqi@huawei.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).