Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-23 Thread Stefan Agner
On 15.04.2019 14:28, Arnd Bergmann wrote: > On Sun, Apr 14, 2019 at 3:35 PM Russell King - ARM Linux admin > wrote: > >> The subsequent hunks remove the defaulting of the choice according to >> the function graph tracer - this is not a "hint" where the user can >> still choose either option irres

Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-15 Thread Arnd Bergmann
On Sun, Apr 14, 2019 at 3:35 PM Russell King - ARM Linux admin wrote: > The subsequent hunks remove the defaulting of the choice according to > the function graph tracer - this is not a "hint" where the user can > still choose either option irrespective of the state of the function > graph tracer

Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-14 Thread Masami Hiramatsu
On Sun, 14 Apr 2019 16:37:04 +0100 Russell King - ARM Linux admin wrote: > On Sun, Apr 14, 2019 at 11:52:38PM +0900, Masami Hiramatsu wrote: > > On Sun, 14 Apr 2019 14:34:58 +0100 > > Russell King - ARM Linux admin wrote: > > > > > On Sun, Apr 14, 2019 at 07:47:05PM +0900, Masami Hiramatsu wrot

Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-14 Thread Russell King - ARM Linux admin
On Sun, Apr 14, 2019 at 11:52:38PM +0900, Masami Hiramatsu wrote: > On Sun, 14 Apr 2019 14:34:58 +0100 > Russell King - ARM Linux admin wrote: > > > On Sun, Apr 14, 2019 at 07:47:05PM +0900, Masami Hiramatsu wrote: > > > Hello, > > > > > > Recently, Naresh reported that the function-graph tracer

Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-14 Thread Masami Hiramatsu
On Sun, 14 Apr 2019 14:34:58 +0100 Russell King - ARM Linux admin wrote: > On Sun, Apr 14, 2019 at 07:47:05PM +0900, Masami Hiramatsu wrote: > > Hello, > > > > Recently, Naresh reported that the function-graph tracer on the latest > > kernel crashes on arm. I could reproduce it and bisected. I f

Re: Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-14 Thread Russell King - ARM Linux admin
On Sun, Apr 14, 2019 at 07:47:05PM +0900, Masami Hiramatsu wrote: > Hello, > > Recently, Naresh reported that the function-graph tracer on the latest > kernel crashes on arm. I could reproduce it and bisected. I finally found > the commit f9b58e8c7d03 ("ARM: 8800/1: use choice for kernel unwinders

Kconfig dependency issue on function-graph tracer and frame pointer on arm

2019-04-14 Thread Masami Hiramatsu
Hello, Recently, Naresh reported that the function-graph tracer on the latest kernel crashes on arm. I could reproduce it and bisected. I finally found the commit f9b58e8c7d03 ("ARM: 8800/1: use choice for kernel unwinders") was the first bad commit. Actually, this commit is just changing Kconfig