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From: Wei Liu <wei.liu2@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
	Julien Grall <julien.grall@arm.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 2/8] x86: distinguish CPU offlining from CPU removal
Date: Fri, 13 Jul 2018 09:39:14 +0100	[thread overview]
Message-ID: <20180713083914.ymuhlxazyryzjw4l@citrix.com> (raw)
In-Reply-To: <5B47401802000078001D376A@prv1-mh.provo.novell.com>

On Thu, Jul 12, 2018 at 05:48:40AM -0600, Jan Beulich wrote:
> >>> On 12.07.18 at 12:53, <wei.liu2@citrix.com> wrote:
> > On Wed, Jul 11, 2018 at 06:06:04AM -0600, Jan Beulich wrote:
> > [...]
> >> --- a/xen/arch/x86/smpboot.c
> >> +++ b/xen/arch/x86/smpboot.c
> >> @@ -63,6 +63,8 @@ static cpumask_t scratch_cpu0mask;
> >>  cpumask_t cpu_online_map __read_mostly;
> >>  EXPORT_SYMBOL(cpu_online_map);
> >>  
> >> +bool __read_mostly park_offline_cpus;
> >> +
> >>  unsigned int __read_mostly nr_sockets;
> >>  cpumask_t **__read_mostly socket_cpumask;
> >>  static cpumask_t *secondary_socket_cpumask;
> >> @@ -887,7 +889,7 @@ static void cleanup_cpu_root_pgt(unsigne
> >>      }
> >>  }
> >>  
> >> -static void cpu_smpboot_free(unsigned int cpu)
> >> +static void cpu_smpboot_free(unsigned int cpu, bool all)
> > 
> > I think "all" is too vague. It doesn't convey the idea what constitutes
> > "partial". But I don't have any better suggestion either.
> 
> Indeed I've been trying to come up with a better name before
> posting, but couldn't. One thing though - I don't think the name
> should in anyway be required to express what "partial" means.
> 

A sentence or two to describe what !all is for would be helpful.

Wei.

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  reply	other threads:[~2018-07-13  8:39 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-11 11:55 [PATCH 0/8] x86: (allow to) suppress use of hyper-threading Jan Beulich
2018-07-11 12:04 ` [PATCH 1/8] cpupools: fix state when downing a CPU failed Jan Beulich
2018-07-11 12:06 ` [PATCH 2/8] x86: distinguish CPU offlining from CPU removal Jan Beulich
2018-07-12 10:53   ` Wei Liu
2018-07-12 11:48     ` Jan Beulich
2018-07-13  8:39       ` Wei Liu [this message]
2018-07-12 12:42   ` Andrew Cooper
2018-07-11 12:06 ` [PATCH 3/8] allow cpu_down() to be called earlier Jan Beulich
2018-07-12 10:55   ` Wei Liu
2018-07-12 12:44   ` Andrew Cooper
2018-07-11 12:07 ` [PATCH 4/8] x86/AMD: distinguish compute units from hyper-threads Jan Beulich
2018-07-11 18:11   ` Brian Woods
2018-07-12 13:02   ` Andrew Cooper
2018-07-12 14:22     ` Jan Beulich
2018-07-11 12:09 ` [PATCH 5/8] x86: bring up all CPUs even if not all are supposed to be used Jan Beulich
2018-07-12 15:38   ` Andrew Cooper
2018-07-13  8:11     ` Jan Beulich
2018-07-11 12:10 ` [PATCH 6/8] x86: (command line option to) avoid use of secondary hyper-threads Jan Beulich
2018-07-12 15:45   ` Andrew Cooper
2018-07-13  8:13     ` Jan Beulich
2018-07-16 12:37       ` Andrew Cooper
2018-07-16 12:53         ` Jan Beulich
2018-07-16 13:01           ` Andrew Cooper
2018-07-11 12:11 ` [PATCH 7/8] x86/shim: fully ignore "nosmp" and "maxcpus=" Jan Beulich
2018-07-11 12:23   ` Andrew Cooper
2018-07-11 15:18   ` Roger Pau Monné
2018-07-11 16:02   ` Wei Liu
2018-07-11 12:12 ` [PATCH 8/8] cpumask: tidy {,z}alloc_cpumask_var() Jan Beulich
2018-07-11 12:20   ` Andrew Cooper
2018-07-12 15:13   ` Wei Liu
     [not found] ` <5B45F26A02000078001D312F@suse.com>
2018-07-13  9:02   ` [PATCH 1/8] cpupools: fix state when downing a CPU failed Juergen Gross
2018-07-16  9:17     ` Jan Beulich
     [not found]     ` <5B4C629002000078001D4346@suse.com>
2018-07-16 11:47       ` Juergen Gross
2018-07-16 12:19         ` Jan Beulich
     [not found]         ` <5B4C8D3702000078001D45EA@suse.com>
2018-07-16 12:47           ` Juergen Gross
2018-07-16 13:01             ` Jan Beulich
     [not found]             ` <5B4C973D02000078001D4693@suse.com>
2018-07-16 14:21               ` Juergen Gross
2018-07-16 14:26                 ` Jan Beulich
     [not found]                 ` <5B4CAB1202000078001D47BC@suse.com>
2018-07-16 14:53                   ` Juergen Gross

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