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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-02-18 14:25:21 +0100 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-02-22 17:05:51 +0100 |
| commit | e01292b1fd68ff2abe234d584b06e64344d2c1de (patch) | |
| tree | b9abd2012cc92740a216083ebd3fc3c92e7d84bc /arch/Kconfig | |
| parent | 952974ac61f686896bd4134dae106a886a5589f1 (diff) | |
| download | lwn-e01292b1fd68ff2abe234d584b06e64344d2c1de.tar.gz lwn-e01292b1fd68ff2abe234d584b06e64344d2c1de.zip | |
tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API
So that arch developers know how to implement it without the
need to dig into changelogs.
Reported-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100218132521.GB2406@osiris.boeblingen.de.ibm.com>
[added reference to ptrace.h in the config help]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 04e3aa77da25..50877ef25844 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -123,6 +123,11 @@ config USE_GENERIC_SMP_HELPERS config HAVE_REGS_AND_STACK_ACCESS_API bool + help + This symbol should be selected by an architecure if it supports + the API needed to access registers and stack entries from pt_regs, + declared in asm/ptrace.h + For example the kprobes-based event tracer needs this API. config HAVE_CLK bool |