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From: Baoquan He <bhe@redhat.com>
To: dyoung@redhat.com, Borislav Petkov <bp@alien8.de>
Cc: fanc.fnst@cn.fujitsu.com, kasong@redhat.com, x86@kernel.org,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	hpa@zytor.com, j-nomura@ce.jp.nec.com, tglx@linutronix.de
Subject: Re: [PATCH v6 1/2] x86/kexec: Build identity mapping for EFI systab and ACPI tables
Date: Mon, 13 May 2019 16:06:53 +0800	[thread overview]
Message-ID: <20190513080653.GD16774@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20190513075006.GB20105@zn.tnic>

Hi Dave,

On 05/13/19 at 09:50am, Borislav Petkov wrote:
> On Mon, May 13, 2019 at 03:32:54PM +0800, Baoquan He wrote:
> > This is a critical bug which breaks memory hotplug,
> 
> Please concentrate and stop the blabla:
> 
> 36f0c423552d ("x86/boot: Disable RSDP parsing temporarily")
> 
> already explains what the deal is. This code was *purposefully* disabled
> because we ran out of time and it broke a couple of machines. Don't make

I remember your machine is the one on whihc the issue is reported. Could
you also test it and confirm if these all things found ealier are
cleared out?

Thanks
Baoquan

> me repeat all that - you were on CC on *all* threads and messages!
> 
> So we're going to try it again this cycle and if there's no fallout, it
> will go upstream. If not, it will have to be fixed. The usual thing.
> 
> And I don't care if Kairui's patch fixes this one problem - judging by
> the fragility of this whole thing, it should be hammered on one more
> cycle on as many boxes as possible to make sure there's no other SNAFUs.
> 
> So go test it on more machines instead. I've pushed it here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=next-merge-window
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> Good mailing practices for 400: avoid top-posting and trim the reply.

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WARNING: multiple messages have this Message-ID (diff)
From: Baoquan He <bhe@redhat.com>
To: dyoung@redhat.com, Borislav Petkov <bp@alien8.de>
Cc: j-nomura@ce.jp.nec.com, kasong@redhat.com,
	fanc.fnst@cn.fujitsu.com, x86@kernel.org,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	hpa@zytor.com, tglx@linutronix.de
Subject: Re: [PATCH v6 1/2] x86/kexec: Build identity mapping for EFI systab and ACPI tables
Date: Mon, 13 May 2019 16:06:53 +0800	[thread overview]
Message-ID: <20190513080653.GD16774@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20190513075006.GB20105@zn.tnic>

Hi Dave,

On 05/13/19 at 09:50am, Borislav Petkov wrote:
> On Mon, May 13, 2019 at 03:32:54PM +0800, Baoquan He wrote:
> > This is a critical bug which breaks memory hotplug,
> 
> Please concentrate and stop the blabla:
> 
> 36f0c423552d ("x86/boot: Disable RSDP parsing temporarily")
> 
> already explains what the deal is. This code was *purposefully* disabled
> because we ran out of time and it broke a couple of machines. Don't make

I remember your machine is the one on whihc the issue is reported. Could
you also test it and confirm if these all things found ealier are
cleared out?

Thanks
Baoquan

> me repeat all that - you were on CC on *all* threads and messages!
> 
> So we're going to try it again this cycle and if there's no fallout, it
> will go upstream. If not, it will have to be fixed. The usual thing.
> 
> And I don't care if Kairui's patch fixes this one problem - judging by
> the fragility of this whole thing, it should be hammered on one more
> cycle on as many boxes as possible to make sure there's no other SNAFUs.
> 
> So go test it on more machines instead. I've pushed it here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=next-merge-window
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> Good mailing practices for 400: avoid top-posting and trim the reply.

  parent reply	other threads:[~2019-05-13  8:07 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-24  9:29 [PATCH v5 0/2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Baoquan He
2019-04-24  9:29 ` Baoquan He
2019-04-24  9:29 ` [PATCH v5 1/2] x86/kexec: Build identity mapping for EFI systab and ACPI tables Baoquan He
2019-04-24  9:29   ` Baoquan He
2019-04-27 16:11   ` Borislav Petkov
2019-04-27 16:11     ` Borislav Petkov
2019-04-28  5:41     ` Baoquan He
2019-04-28  5:41       ` Baoquan He
2019-04-29 12:50       ` Borislav Petkov
2019-04-29 12:50         ` Borislav Petkov
2019-04-29  0:23   ` [PATCH v6 " Baoquan He
2019-04-29  0:23     ` Baoquan He
2019-04-29 13:55     ` Borislav Petkov
2019-04-29 13:55       ` Borislav Petkov
2019-04-29 14:16       ` Baoquan He
2019-04-29 14:16         ` Baoquan He
2019-05-13  1:43       ` Baoquan He
2019-05-13  1:43         ` Baoquan He
2019-05-13  7:07         ` Borislav Petkov
2019-05-13  7:07           ` Borislav Petkov
2019-05-13  7:32           ` Baoquan He
2019-05-13  7:32             ` Baoquan He
2019-05-13  7:50             ` Borislav Petkov
2019-05-13  7:50               ` Borislav Petkov
2019-05-13  8:02               ` Baoquan He
2019-05-13  8:02                 ` Baoquan He
2019-05-15  5:17                 ` Junichi Nomura
2019-05-15  5:17                   ` Junichi Nomura
2019-05-15  6:58                   ` Borislav Petkov
2019-05-15  6:58                     ` Borislav Petkov
2019-05-15  7:09                     ` Junichi Nomura
2019-05-15  7:09                       ` Junichi Nomura
2019-05-21  9:02                       ` Kairui Song
2019-05-21  9:02                         ` Kairui Song
2019-05-21 10:43                         ` Junichi Nomura
2019-05-21 10:43                           ` Junichi Nomura
2019-05-21 18:09                         ` Borislav Petkov
2019-05-21 18:09                           ` Borislav Petkov
2019-05-28  2:49                           ` Kairui Song
2019-05-28  2:49                             ` Kairui Song
2019-06-06 19:20                             ` Borislav Petkov
2019-06-06 19:20                               ` Borislav Petkov
2019-05-13  8:06               ` Baoquan He [this message]
2019-05-13  8:06                 ` Baoquan He
2019-05-14  3:22                 ` Dave Young
2019-05-14  3:22                   ` Dave Young
2019-05-14  3:33                   ` Baoquan He
2019-05-14  3:33                     ` Baoquan He
2019-05-21 21:53                     ` Dirk van der Merwe
2019-05-21 21:53                       ` Dirk van der Merwe
2019-05-21 23:04                       ` Borislav Petkov
2019-05-21 23:04                         ` Borislav Petkov
2019-05-14  8:48                   ` Dave Young
2019-05-14  8:48                     ` Dave Young
2019-05-14 11:18                     ` Kairui Song
2019-05-14 11:18                       ` Kairui Song
2019-05-14 11:38                     ` Peter Zijlstra
2019-05-14 11:38                       ` Peter Zijlstra
2019-05-14 12:58                       ` Dave Young
2019-05-14 12:58                         ` Dave Young
2019-05-14 13:54                         ` Peter Zijlstra
2019-05-14 13:54                           ` Peter Zijlstra
2019-05-14 14:09                         ` Ingo Molnar
2019-05-14 14:09                           ` Ingo Molnar
2019-05-15  1:08                           ` Dave Young
2019-05-15  1:08                             ` Dave Young
2019-05-15  6:43                             ` Junichi Nomura
2019-05-15  6:43                               ` Junichi Nomura
2019-05-17 13:41                   ` Borislav Petkov
2019-05-17 13:41                     ` Borislav Petkov
2019-05-17 13:50                     ` [PATCH] x86/boot: Call get_rsdp_addr() after console_init() Borislav Petkov
2019-05-17 13:50                       ` Borislav Petkov
2019-05-21  9:28                       ` Baoquan He
2019-05-21  9:28                         ` Baoquan He
2019-06-06 19:22     ` [tip:x86/boot] x86/kexec: Add the EFI system tables and ACPI tables to the ident map tip-bot for Kairui Song
2019-04-24  9:29 ` [PATCH v5 2/2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernels Baoquan He
2019-04-24  9:29   ` Baoquan He
2019-04-24  9:33   ` Baoquan He
2019-04-24  9:33     ` Baoquan He
2019-04-24  9:38 ` [PATCH v5 0/2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Borislav Petkov
2019-04-24  9:38   ` Borislav Petkov
2019-04-24 10:00   ` Baoquan He
2019-04-24 10:00     ` Baoquan He

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