Re: [PATCH] printk: drop logbuf_cpu volatile qualifier

2014-11-18 Thread Jan Kara
On Fri 14-11-14 13:19:31, Alex Elder wrote: > Pranith Kumar posted a patch in which removed the "volatile" > qualifier for the "logbuf_cpu" variable in vprintk_emit(). > https://lkml.org/lkml/2014/11/13/894 > In his patch, he used ACCESS_ONCE() for all references to > that symbol to provide wha

Re: [PATCH] printk: drop logbuf_cpu volatile qualifier

2014-11-14 Thread Alex Elder
On 11/14/2014 01:55 PM, Steven Rostedt wrote: > On Fri, 14 Nov 2014 13:46:44 -0600 > Alex Elder wrote: > >> On 11/14/2014 01:45 PM, Steven Rostedt wrote: >>> On Fri, 14 Nov 2014 13:19:31 -0600 >>> Alex Elder wrote: >>> Pranith Kumar posted a patch in which removed the "volatile" qualif

Re: [PATCH] printk: drop logbuf_cpu volatile qualifier

2014-11-14 Thread Steven Rostedt
On Fri, 14 Nov 2014 13:46:44 -0600 Alex Elder wrote: > On 11/14/2014 01:45 PM, Steven Rostedt wrote: > > On Fri, 14 Nov 2014 13:19:31 -0600 > > Alex Elder wrote: > > > >> Pranith Kumar posted a patch in which removed the "volatile" > >> qualifier for the "logbuf_cpu" variable in vprintk_emit().

Re: [PATCH] printk: drop logbuf_cpu volatile qualifier

2014-11-14 Thread Alex Elder
On 11/14/2014 01:45 PM, Steven Rostedt wrote: > On Fri, 14 Nov 2014 13:19:31 -0600 > Alex Elder wrote: > >> Pranith Kumar posted a patch in which removed the "volatile" >> qualifier for the "logbuf_cpu" variable in vprintk_emit(). >> https://lkml.org/lkml/2014/11/13/894 >> In his patch, he us

Re: [PATCH] printk: drop logbuf_cpu volatile qualifier

2014-11-14 Thread Steven Rostedt
On Fri, 14 Nov 2014 13:19:31 -0600 Alex Elder wrote: > Pranith Kumar posted a patch in which removed the "volatile" > qualifier for the "logbuf_cpu" variable in vprintk_emit(). > https://lkml.org/lkml/2014/11/13/894 > In his patch, he used ACCESS_ONCE() for all references to > that symbol to