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From: David Laight <David.Laight@ACULAB.COM>
To: "'Maciej W. Rozycki'" <macro@orcam.me.uk>,
	Khalid Aziz <khalid@gonehiking.org>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH v2 1/5] scsi: BusLogic: Fix missing `pr_cont' use
Date: Wed, 21 Apr 2021 08:13:40 +0000	[thread overview]
Message-ID: <bcb0b8fa8e1f404989c9d6450be10074@AcuMS.aculab.com> (raw)
In-Reply-To: <alpine.DEB.2.21.2104201940430.44318@angie.orcam.me.uk>

From: Maciej W. Rozycki
> Sent: 20 April 2021 19:02
> 
> Update BusLogic driver's messaging system to use `pr_cont' for
> continuation lines, bringing messy output:

If reasonably possible it is best to avoid use of pr_cont().

If there are concurrent writes from multiple cpu I believe
the writes still get separated.
(Something has to give...)

For instance I've seen concurrent 'oops' generate the list of
loaded modules one module per line with the two lists interleaved!

Quite often one of the %p[A-Z] modifiers can help.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


  reply	other threads:[~2021-04-21  8:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20 18:01 [PATCH v2 0/5] Bring the BusLogic host bus adapter driver up to Y2021 Maciej W. Rozycki
2021-04-20 18:01 ` [PATCH v2 1/5] scsi: BusLogic: Fix missing `pr_cont' use Maciej W. Rozycki
2021-04-21  8:13   ` David Laight [this message]
2021-04-21 12:28     ` Maciej W. Rozycki
2021-04-22 17:26   ` Khalid Aziz
2021-04-20 18:01 ` [PATCH v2 2/5] scsi: BusLogic: Avoid unbounded `vsprintf' use Maciej W. Rozycki
2021-04-22 17:30   ` Khalid Aziz
2021-04-20 18:01 ` [PATCH v2 3/5] scsi: Provide for avoiding trailing allocation length with VPD inquiries Maciej W. Rozycki
2021-04-20 18:02 ` [PATCH v2 4/5] scsi: Avoid using reserved length byte " Maciej W. Rozycki
2021-04-20 18:02 ` [PATCH v2 5/5] scsi: Set allocation length to 255 for ATA Information VPD page Maciej W. Rozycki
2021-06-10 23:25 ` [PING][PATCH v2 0/5] Bring the BusLogic host bus adapter driver up to Y2021 Maciej W. Rozycki
2021-06-11  0:53   ` Martin K. Petersen
2021-06-30 10:36     ` Maciej W. Rozycki
2021-07-08  3:33       ` Martin K. Petersen
2021-06-13 23:14   ` Nix

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