Re: [PATCH v2] tracing: Add register read and write tracing support

2020-11-06 Thread Will Deacon
On Fri, Nov 06, 2020 at 07:49:29AM +0100, Greg KH wrote: > On Thu, Nov 05, 2020 at 06:56:26PM -0800, Prasad Sodagudi wrote: > > Add register read/write operations tracing support. > > ftrace events helps to trace register read and write > > location details of memory mapped IO registers. > > This

Re: [PATCH v2] tracing: Add register read and write tracing support

2020-11-05 Thread Greg KH
On Thu, Nov 05, 2020 at 06:56:26PM -0800, Prasad Sodagudi wrote: > Add register read/write operations tracing support. > ftrace events helps to trace register read and write > location details of memory mapped IO registers. This sentance does not parse for me, can you please rework it? > These tr

[PATCH v2] tracing: Add register read and write tracing support

2020-11-05 Thread Prasad Sodagudi
Add register read/write operations tracing support. ftrace events helps to trace register read and write location details of memory mapped IO registers. These trace logs helps to debug un clocked access of peripherals. Signed-off-by: Prasad Sodagudi --- arch/arm64/include/asm/io.h| 9 ++