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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Cye Borg <cyborgyn@gmail.com>
Cc: "Ahelenia Ziemiańska" <nabijaczleweli@nabijaczleweli.xyz>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Federico Vaga" <federico.vaga@vaga.pv.it>,
	"Alex Shi" <alexs@kernel.org>,
	"Yanteng Si" <siyanteng@loongson.cn>,
	"Hu Haowen" <src.res@email.cn>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Bagas Sanjaya" <bagasdotme@gmail.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc-tw-discuss@lists.sourceforge.net,
	linux-mips@vger.kernel.org
Subject: Re: [PATCH v3 08/15] MIPS: IP27: remove KV_MAGIC
Date: Fri, 11 Nov 2022 14:02:16 +0100	[thread overview]
Message-ID: <20221111130216.GA11187@alpha.franken.de> (raw)
In-Reply-To: <CAD4NMuYU6+JYGwCwDqGW5bTN8Rgg4SwseH9JKzjPAzsujBuCEw@mail.gmail.com>

On Fri, Nov 11, 2022 at 06:39:10AM +0100, Cye Borg wrote:
> Just asking:
> This code in SGI seems to help bring online other CPUs.
> - Does it use the firmware to do it?
> - Is there a possibility that the magic number in this case is used by the
> firmware?
> - If yes: do we break multiprocessing on SGI if we delete this "useless
> relic", which is not referenced in the linux code elsewhere?

this magic is just for a internal struct not used by firmware. It came
from IRIX code, but there is no point in keeping it

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

  parent reply	other threads:[~2022-11-11 13:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-11  1:13 [PATCH v3 00/15] magic-number.rst funeral rites Ahelenia Ziemiańska
2022-11-11  1:13 ` [PATCH v3 01/15] hamradio: baycom: remove BAYCOM_MAGIC Ahelenia Ziemiańska
2022-11-11  1:13 ` [PATCH v3 02/15] hamradio: yam: remove YAM_MAGIC Ahelenia Ziemiańska
2022-11-11  1:13 ` [PATCH v3 03/15] pcmcia: synclink_cs: remove MGSLPC_MAGIC Ahelenia Ziemiańska
2022-11-11  1:13 ` [PATCH v3 04/15] pcmcia: synclink_cs: remove dead paranoia_check, warn for missing line Ahelenia Ziemiańska
2022-11-11  1:13 ` [PATCH v3 05/15] coda: remove CODA_MAGIC Ahelenia Ziemiańska
2022-11-11  3:13   ` Jan Harkes
2022-11-11  1:14 ` [PATCH v3 06/15] Documentation: remove PG_MAGIC (not a magic number) Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 07/15] Documentation: remove NMI_MAGIC " Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 08/15] MIPS: IP27: remove KV_MAGIC Ahelenia Ziemiańska
2022-11-11  5:40   ` Cye Borg
     [not found]   ` <CAD4NMuYU6+JYGwCwDqGW5bTN8Rgg4SwseH9JKzjPAzsujBuCEw@mail.gmail.com>
2022-11-11 13:02     ` Thomas Bogendoerfer [this message]
2022-11-11  1:14 ` [PATCH v3 09/15] x86/APM: remove APM_BIOS_MAGIC Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 10/15] scsi: acorn: remove QUEUE_MAGIC_{FREE,USED} Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 11/15] hdlcdrv: remove HDLCDRV_MAGIC Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 12/15] drivers: net: slip: remove SLIP_MAGIC Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 13/15] fcntl: remove FASYNC_MAGIC Ahelenia Ziemiańska
2022-11-11 10:00   ` Jeff Layton
2022-11-11  1:14 ` [PATCH v3 14/15] scsi: ncr53c8xx: replace CCB_MAGIC with bool busy Ahelenia Ziemiańska
2022-11-11  1:14 ` [PATCH v3 15/15] Documentation: remove magic-number.rst Ahelenia Ziemiańska

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