From: Baoquan He <bhe@redhat.com>
To: Liu ping fan <kernelfans@gmail.com>
Cc: Dave Young <dyoung@redhat.com>,
kexec@lists.infradead.org, Pingfan Liu <piliu@redhat.com>
Subject: Re: [PATCH 1/2] kexec: add a dummy note for each offline cpu
Date: Wed, 14 Dec 2016 16:25:01 +0800 [thread overview]
Message-ID: <20161214082501.GA9239@x1> (raw)
In-Reply-To: <CAFgQCTvOiWzKbYOBF-L0A2cmw4OR76Hz33ChHB6VTh0REQEmEA@mail.gmail.com>
On 12/14/16 at 04:15pm, Liu ping fan wrote:
> On Wed, Dec 14, 2016 at 3:40 PM, Baoquan He <bhe@redhat.com> wrote:
> > On 12/14/16 at 02:11pm, Pingfan Liu wrote:
> >> kexec-tools always allocates program headers for each possible cpu. This
> >> incurs zero PT_NOTE for offline cpu. We mark this case so that later,
> >> the capture kernel can distinguish it from the mistake of allocated
> >> program header.
> >> The counterpart of the capture kernel comes in next patch.
> >
> > When you execute dmesg on your testing machine and grep nr_cpu_ids,
> > what's the value of nr_cpu_ids?
> >
> nr_cpu_ids=128
And what's the cpu number of in "lscpu" command?
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next prev parent reply other threads:[~2016-12-14 8:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-14 6:11 [PATCH 1/2] kexec: add a dummy note for each offline cpu Pingfan Liu
2016-12-14 6:11 ` [PATCH 2/2] [fs] proc/vmcore: check the dummy place holder for offline cpu to avoid warning Pingfan Liu
2016-12-14 23:56 ` Xunlei Pang
2016-12-15 3:04 ` Liu ping fan
2016-12-14 6:19 ` [PATCH 1/2] kexec: add a dummy note for each offline cpu Liu ping fan
2016-12-14 7:40 ` Baoquan He
2016-12-14 8:15 ` Liu ping fan
2016-12-14 8:25 ` Baoquan He [this message]
2016-12-14 8:39 ` Liu ping fan
2016-12-14 8:44 ` Baoquan He
2016-12-14 9:06 ` Liu ping fan
2016-12-14 8:48 ` Xunlei Pang
2016-12-14 8:56 ` Liu ping fan
2016-12-14 9:10 ` Xunlei Pang
2016-12-14 9:13 ` Liu ping fan
2016-12-14 23:49 ` Xunlei Pang
2016-12-15 7:16 ` Dave Young
2016-12-15 8:43 ` Liu ping fan
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