lkml.org 
[lkml]   [2006]   [Sep]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH -rt] use SA_NODELAY for XScale PMU interrupts
From
Date
On Fri, 2006-09-08 at 12:22 -0700, Kevin Hilman wrote:
> In the XScale oprofile support, the performance monitoring unit (PMU)
> triggers interrupts and the ISR reads out the performance data. These
> ISRs are currently set to SA_INTERRUPT. In order to get accurate
> performance and profiling data under PREEMPT_RT, these should use
> SA_NODELAY. The functions called by this ISR are limited to
> drivers/oprofile functions.
>
> Patch against 2.6.18-rt8


hmm I thought the SA_ flags were deprecated ???


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-09-08 23:31    [W:0.057 / U:2.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site