Re: scsi: Implement per-cpu logging buffer

2015-02-17 Thread Jiri Kosina
On Fri, 13 Feb 2015, Hannes Reinecke wrote: > Thing is, if we were to use per-CPU buffers for printk() out of > necessity we have to queue these buffers for writing out. So there is a > time window during which the message already is in the per-CPU buffer > but still not printed out as

Re: scsi: Implement per-cpu logging buffer

2015-02-17 Thread Jiri Kosina
On Fri, 13 Feb 2015, Hannes Reinecke wrote: Thing is, if we were to use per-CPU buffers for printk() out of necessity we have to queue these buffers for writing out. So there is a time window during which the message already is in the per-CPU buffer but still not printed out as printk() is

Re: scsi: Implement per-cpu logging buffer

2015-02-15 Thread Josh Triplett
master > >>>>>> Author: Hannes Reinecke > >>>>>> AuthorDate: Thu Jan 8 07:43:42 2015 +0100 > >>>>>> Committer: Christoph Hellwig > >>>>>> CommitDate: Fri Jan 9 15:44:28 2015 +0100 > >>>>>&g

Re: scsi: Implement per-cpu logging buffer

2015-02-15 Thread Josh Triplett
Parent: b0a93d96b2814c725161f91a4e35d0c29ec0f95b Refname:refs/heads/master Author: Hannes Reinecke h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread James Bottomley
master > >>>>>> Author: Hannes Reinecke > >>>>>> AuthorDate: Thu Jan 8 07:43:42 2015 +0100 > >>>>>> Committer: Christoph Hellwig > >>>>>> CommitDate: Fri Jan 9 15:44:28 2015 +0100 > >>>>>> > &g

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread Geert Uytterhoeven
Hi Hannes, On Sat, Feb 14, 2015 at 3:29 PM, Hannes Reinecke wrote: > @jejb, hch: should I do a new patch or update the existing one? As the existing one is already upstream, you should send a new patch. Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven --

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread Hannes Reinecke
; Commit: ded85c193a391a84076d5c6a7a5668fe164a490e >>>>>> Parent: b0a93d96b2814c725161f91a4e35d0c29ec0f95b >>>>>> Refname:refs/heads/master >>>>>> Author: Hannes Reinecke >>>>>> AuthorDate: Thu Jan 8 07:43:42 2015 +

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread Hannes Reinecke
/master Author: Hannes Reinecke h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer Implement a per-cpu buffer for formatting messages to avoid line

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread Geert Uytterhoeven
Hi Hannes, On Sat, Feb 14, 2015 at 3:29 PM, Hannes Reinecke h...@suse.de wrote: @jejb, hch: should I do a new patch or update the existing one? As the existing one is already upstream, you should send a new patch. Thanks! Gr{oetje,eeting}s, Geert -- Geert

Re: scsi: Implement per-cpu logging buffer

2015-02-14 Thread James Bottomley
: b0a93d96b2814c725161f91a4e35d0c29ec0f95b Refname:refs/heads/master Author: Hannes Reinecke h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer

Re: scsi: Implement per-cpu logging buffer

2015-02-13 Thread Josh Triplett
arent: b0a93d96b2814c725161f91a4e35d0c29ec0f95b > >>>> Refname:refs/heads/master > >>>> Author: Hannes Reinecke > >>>> AuthorDate: Thu Jan 8 07:43:42 2015 +0100 > >>>> Committer: Christoph Hellwig > >>>> Comm

Re: scsi: Implement per-cpu logging buffer

2015-02-13 Thread Hannes Reinecke
>> Author: Hannes Reinecke >>>> AuthorDate: Thu Jan 8 07:43:42 2015 +0100 >>>> Committer: Christoph Hellwig >>>> CommitDate: Fri Jan 9 15:44:28 2015 +0100 >>>> >>>> scsi: Implement per-cpu logging buffer >>>> >>

Re: scsi: Implement per-cpu logging buffer

2015-02-13 Thread Hannes Reinecke
: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer Implement a per-cpu buffer for formatting messages to avoid line breaks up under high load. This patch implements scmd_printk() and sdev_prefix_printk() using the per-cpu

Re: scsi: Implement per-cpu logging buffer

2015-02-13 Thread Josh Triplett
h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer Implement a per-cpu buffer for formatting messages to avoid line breaks up under high load

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Josh Triplett
015 +0100 > >> Committer: Christoph Hellwig > >> CommitDate: Fri Jan 9 15:44:28 2015 +0100 > >> > >> scsi: Implement per-cpu logging buffer > >> > >> Implement a per-cpu buffer for formatting messages to avoid line breaks > >>

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Hannes Reinecke
5668fe164a490e >> Parent: b0a93d96b2814c725161f91a4e35d0c29ec0f95b >> Refname:refs/heads/master >> Author: Hannes Reinecke >> AuthorDate: Thu Jan 8 07:43:42 2015 +0100 >> Committer: Christoph Hellwig >> CommitDate: Fri Jan 9 15:44:28 2015 +0100 >> >&

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Geert Uytterhoeven
efname:refs/heads/master > Author: Hannes Reinecke > AuthorDate: Thu Jan 8 07:43:42 2015 +0100 > Committer: Christoph Hellwig > CommitDate: Fri Jan 9 15:44:28 2015 +0100 > > scsi: Implement per-cpu logging buffer > > Implement a per-cpu buffer for formatting

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Hannes Reinecke
Parent: b0a93d96b2814c725161f91a4e35d0c29ec0f95b Refname:refs/heads/master Author: Hannes Reinecke h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Geert Uytterhoeven
Refname:refs/heads/master Author: Hannes Reinecke h...@suse.de AuthorDate: Thu Jan 8 07:43:42 2015 +0100 Committer: Christoph Hellwig h...@lst.de CommitDate: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer Implement a per-cpu buffer for formatting

Re: scsi: Implement per-cpu logging buffer

2015-02-12 Thread Josh Triplett
: Fri Jan 9 15:44:28 2015 +0100 scsi: Implement per-cpu logging buffer Implement a per-cpu buffer for formatting messages to avoid line breaks up under high load. This patch implements scmd_printk() and sdev_prefix_printk() using the per-cpu buffer and makes sdev_printk